CN102104258A - Wind-driven generating set and offshore platform grid non-stop grid connection test system and method - Google Patents
Wind-driven generating set and offshore platform grid non-stop grid connection test system and method Download PDFInfo
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- CN102104258A CN102104258A CN200910243304XA CN200910243304A CN102104258A CN 102104258 A CN102104258 A CN 102104258A CN 200910243304X A CN200910243304X A CN 200910243304XA CN 200910243304 A CN200910243304 A CN 200910243304A CN 102104258 A CN102104258 A CN 102104258A
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Abstract
The invention discloses a wind-driven generating set and offshore platform grid non-stop grid connection test system and a wind-driven generating set and offshore platform grid non-stop grid connection test method. In the system, the high-voltage of a transformer is connected with the input end of an outlet switch of a wind-driven generating set; the output end of the outlet switch of the wind-driven generating set is connected with the input end of the wind-driven generating set; the output end of a thermoelectric generating set is connected with an inlet bus bar of a load device; the low-voltage end of the transformer is connected with the inlet bus bar of the load device; an auxiliary power supply of the load device is connected with the load device; the auxiliary power supply of the transformer is connected with the transformer; the auxiliary power supply of the thermoelectric generating set is connected with the thermoelectric generating set; the wind-driven generating set is connected with test monitoring equipment; the outlet switch of the wind-driven generating set is connected with the test monitoring equipment; and the thermoelectric generating set is connected with the test monitoring equipment. In the system and the method, the grid connection test is performed on the wind-driven generating set and a simulated offshore platform grid on land first and then the wind-driven generating set is integrally transported to the sea for installing after regulating, so accidents of power failure and production stop in an offshore grid connection process are avoided.
Description
Technical field
The present invention relates to wind turbine generator, relate in particular to and a kind ofly be used to prevent and the isolated minor scale power net stability of network process apoplexy power generator group influence and cause the wind turbine generator of offshore production platform power failure stopping production accident and offshore platform electrical network pilot system and the method for being incorporated into the power networks that do not stop production.Belong to mechanical field of power.
Background technology
At sea in the petroleum development engineering, the required electric power of traditional offshore production platform generally adopts the generating set generating of fuel such as fuel oil or combustion gas, and by submarine cable electric power energy is delivered to each production platform, is the offshore production platform power supply.Existing offshore production platform electrical network normally is incorporated into the power networks between fuel oil or fuel gas generation unit, and the power of every unit can regulate and distribute by adjusting device, and all non-firm power is arranged.
Enter 21 century, along with people improve requirement on environmental protection, wind power generation has become the important new forms of energy of offshore production platform.Because the wind turbine generator power output is with the random fluctuation of wind-force size, and do not have non-firm power, therefore, when incorporating wind turbine generator into gone into operation offshore platform electrical network, mainly there is the problem of following four aspects:
(1) wind turbine generator starts and to be incorporated into the power networks, to shut down in network process, stable influential to the offshore production platform electrical network, and its influence degree does not have actual project data support;
(2) emergency shutdown tripping operation accident takes place under the specified active power operating mode of wind turbine generator, more violent to the stability influence of offshore production platform electrical network, detailed process does not have actual project data support;
When (3) wind turbine generator and offshore production platform electrical network were incorporated into the power networks, the wind turbine generator power output is with the wind-force random fluctuation, and was influential to platform grid stability and power supply quality, and its influence degree does not have actual project data support;
(4) in the offshore production platform high-power electrical equipment shutdown process, because the wind turbine generator load is all fluctuating at any time, the stability of electrical network will be subjected to bigger influence, and its influence degree and process do not have actual project data support.
Because all there is the greater risk that causes that production platform has a power failure and stops production in the situation of above-mentioned four aspects, therefore, need carry out necessary test on land.
Summary of the invention
Main purpose of the present invention is to overcome the above-mentioned shortcoming that prior art exists, and provide a kind of wind turbine generator and offshore platform electrical network not to stop production to be incorporated into the power networks pilot system and method, the test of being incorporated into the power networks of its offshore production platform electrical network that can carry out wind turbine generator and simulation earlier on land, after obtaining test data and analyzing adjustment, again wind turbine generator integral body is transported to offshore production platform and install, avoided wind turbine generator to be installed to after the offshore production platform and generation power failure stopping production accident in offshore production platform electrical network and the network process.
The objective of the invention is to realize by following technical scheme:
A kind of wind turbine generator and the offshore platform electrical network pilot system that is incorporated into the power networks that do not stop production, it is characterized in that: comprising: wind turbine generator, the thermal power generation unit, wind turbine generator goes out wiretap, transformer, load device, the transformer accessory power supply, thermal power generation unit accessory power supply, load device accessory power supply and test monitoring equipment, the concrete connecting mode of the said equipment is: high pressure one end of transformer links to each other through the input that cable and wind turbine generator go out wiretap, and the output that wind turbine generator goes out wiretap links to each other with the input of wind turbine generator through cable; Thermal power generation unit output links to each other with load device inlet wire busbar, and transformer low voltage one end links to each other with load device inlet wire busbar through cable; The load device accessory power supply links to each other with load device; The transformer accessory power supply links to each other with transformer; Thermal power generation unit accessory power supply links to each other with the thermal power generation unit; Wind turbine generator links to each other with test monitoring equipment; Wind turbine generator goes out wiretap and links to each other with test monitoring equipment; The thermal power generation unit links to each other with test monitoring equipment, by an above-mentioned wind turbine generator and the ocean platform electrical network system of test of being incorporated into the power networks that do not stop production that connects and composes.
Described thermal power generation unit is diesel generating set or fuel gas generation unit.
Described load device adopts dried resistance or water resistance as load.
A kind of wind turbine generator and the offshore platform electrical network test method that is incorporated into the power networks that do not stop production is characterized in that: comprise the following steps:
The first step is given the pilot system device power;
Second step started wind turbine generator, and no-load running confirms that raising speed and vibration are normal;
In the 3rd step, carry out wind turbine generator and start also test of net operation loading procedure and orderly closedown process testing;
In the 4th step, carry out the test of wind turbine generator on-load emergency shutdown;
In the 5th step, carry out the test of network load sudden unloading process;
In the 6th step, carry out wind turbine generator and the heating power unit complementary operation that generates electricity by way of merging two or more grid systems and test.
The concrete steps of the described first step are as follows:
(1) gives the thermal power generation unit for accessory power supply, start the thermal power generation unit, check that to confirm output voltage, frequency normal;
(2) closed thermal power generation unit gate out switch check to confirm that low-side switch end opening voltage, the frequency of transformer is normal, and closed transformer switch low-pressure side checks that to confirm oral-lateral operating voltage on the transformer high-voltage side switch, frequency normal;
(3) go out wiretap to wind turbine generator and send the control power supply, closed transformer outlet side switch send electricity to go out wiretap to wind turbine generator, checks that affirmation voltage, frequency are normal;
(4) send accessory power supply to load device, start cooling blower, check and confirm whether load device possesses loading environment;
(5) start load device, load for the thermal power generation unit;
(6) closed wind turbine generator goes out wiretap, send power supply to wind turbine generator, checks that the affirmation system is charged normal.
The concrete steps in described the 3rd step are as follows:
(1) confirms that wind-force and armamentarium satisfy wind turbine generator and start power generation conditions;
(2) load device is loaded, make active power greater than 60% of the specified active power of test electrical network thermal power generation unit, and greater than the maximum active power of output of testing the pairing wind turbine generator of wind-force at that time, power factor is a rated power factor;
(3) peak power output of wind turbine generator is set to the value less than the specified active power 5% of test electrical network heating power unit;
(4) the parameter measurement sampling period with monitoring device 9 is set at 10ms, opening entry conditional curve figure;
(5) start wind turbine generator, be incorporated into the power networks wind turbine generator in the loading procedure, thermal power generation unit, wind turbine generator of observation goes out the isoparametric dynamic changing process of voltage, frequency, active power, reactive power of wiretap, keeping records conditional curve figure confirms that parameter changes in allowed band;
(6) on the control panel of wind turbine generator, press " shutdown " button, wind turbine generator, thermal power generation unit, wind turbine generator go out the isoparametric dynamic changing process of voltage, frequency, active power, reactive power of wiretap in the observation orderly closedown off-load off-the-line process, keeping records conditional curve figure confirms that parameter changes in allowed band;
(7) load device is loaded into test electrical network heating power unit and reaches specified active power;
(8) peak power output of wind turbine generator is set to test 5% of the specified active power of electrical network heating power unit;
(9) start wind turbine generator, be incorporated into the power networks wind turbine generator in the loading procedure, thermal power generation unit, wind turbine generator of observation goes out the isoparametric dynamic changing process of voltage, frequency, active power, reactive power of wiretap, keeping records conditional curve figure confirms that parameter changes in allowed band;
(10) when the wind turbine generator active power of output is the set point of above-mentioned steps (8), on the control panel of wind turbine generator, press " shutdown " button, wind turbine generator, thermal power generation unit, wind turbine generator go out the isoparametric dynamic changing process of voltage, frequency, active power, reactive power of wiretap 3 in the observation orderly closedown off-load off-the-line process, keeping records conditional curve figure confirms that parameter changes in allowed band;
(11) repeat a step (9), (10), and the before and after test data are compared;
(12) peak power output of wind turbine generator is set to: 10% of the specified active power of test electrical network thermal power generation unit;
(13) start wind turbine generator, be incorporated into the power networks wind turbine generator in the loading procedure, thermal power generation unit, wind turbine generator of observation goes out the isoparametric dynamic changing process of voltage, frequency, active power, reactive power of wiretap, keeping records conditional curve figure confirms that parameter changes in allowed band;
(14) when the wind turbine generator active power of output is the set point of above-mentioned steps (12), on the control panel of wind turbine generator, press " shutdown " button, wind turbine generator, thermal power generation unit, wind turbine generator go out the isoparametric dynamic changing process of voltage, frequency, active power, reactive power of wiretap in the observation orderly closedown off-load off-the-line process, keeping records conditional curve figure confirms that parameter changes in allowed band;
(15) repeat above-mentioned steps (13), (14), and the before and after test data are compared.
The concrete steps in described the 4th step are as follows:
(1) under load device, thermal power generation unit, wind power generation set grid-connection running status, load device active power is the specified active power of thermal power generation unit, and the maximum active power of wind turbine generator is set to test 5% of the specified active power of electrical network heating power unit;
(2) when the wind turbine generator instantaneous active power is the set point of above-mentioned steps (1), on the control panel of wind turbine generator, press " emergency shutdown " button, wind turbine generator, thermal power generation unit, wind turbine generator go out the isoparametric dynamic changing process of voltage, frequency, active power, reactive power of wiretap in the observation emergency shutdown off-load off-the-line process, keeping records conditional curve figure confirms that parameter changes in allowed band;
(3) repeat above-mentioned steps (2), and the before and after test data are compared;
(4) under load device, thermal power generation unit, wind power generation set grid-connection running status, load device active power is the specified active power of thermal power generation unit, and the maximum active power of wind turbine generator is set to test 10% of the specified active power of electrical network heating power unit;
(5) when wind turbine generator 1 instantaneous active power is the set point of above-mentioned steps (4), on the control panel of wind turbine generator, press " emergency shutdown " button, wind turbine generator, thermal power generation unit, wind turbine generator go out the isoparametric dynamic changing process of voltage, frequency, active power, reactive power of wiretap in the observation emergency shutdown off-load off-the-line process, keeping records conditional curve figure confirms that parameter changes in allowed band;
(6) repeat above-mentioned steps (5), and the before and after test data are compared.
The concrete steps in described the 5th step are as follows:
(1) under load device, thermal power generation unit, wind power generation set grid-connection running status, load active power to load device and be 80% of the specified active power of test electrical network thermal power generation unit, the maximum active power of wind turbine generator is set to test 5% of the specified active power of electrical network heating power unit;
(2) preliminary election impact load is 20% of the specified active power of test electrical network thermal power generation unit on load device 5 control panels;
(3) when the wind turbine generator instantaneous active power is the set point of above-mentioned steps (1), with the load preliminary election impact load of impact above-mentioned steps (2) of load device, wind turbine generator 1, thermal power generation unit 2, wind turbine generator go out the isoparametric dynamic changing process of voltage, frequency, active power, reactive power of wiretap 3 in the observation impact load process, keeping records conditional curve figure confirms that parameter changes in allowed band;
(4) the prominent load removal of preliminary election is 20% of the specified active power of test electrical network thermal power generation unit on load device 5 control panels;
(5) when the wind turbine generator instantaneous active power is the set point of above-mentioned steps (1), with the prominent prominent load removal of preliminary election that unloads above-mentioned steps (4) of load device 5 loads, wind turbine generator, thermal power generation unit, wind turbine generator go out the isoparametric dynamic changing process of voltage, frequency, active power, reactive power of wiretap in the prominent load removal process of observation, keeping records conditional curve figure confirms that parameter changes in allowed band;
(6) repeat above-mentioned steps (2), (3), (4), (5), and the before and after test data are compared;
(7) under load device, thermal power generation unit, wind power generation set grid-connection running status, be loaded as 80% of the specified active power of test electrical network thermal power generation unit for load device 5, the maximum active power of wind turbine generator is set to test 10% of the specified active power of electrical network heating power unit;
(8) preliminary election impact load is 20% of the specified active power of test electrical network thermal power generation unit on load device 5 control panels;
(9) when the wind turbine generator instantaneous active power is the set point of above-mentioned steps (7), with the load preliminary election impact load of impact above-mentioned steps (8) of load device, wind turbine generator, thermal power generation unit, wind turbine generator go out the isoparametric dynamic changing process of voltage, frequency, active power, reactive power of wiretap in the observation impact load process, keeping records conditional curve figure confirms that parameter changes in allowed band;
(10) the prominent load removal of preliminary election is 20% of the specified active power of test electrical network thermal power generation unit on load device 5 control panels;
(11) when the wind turbine generator instantaneous active power is the set point of above-mentioned steps (7), with the prominent prominent load removal of preliminary election that unloads above-mentioned steps (10) of load device load, wind turbine generator, thermal power generation unit, wind turbine generator go out the isoparametric dynamic changing process of voltage, frequency, active power, reactive power of wiretap in the prominent load removal process of observation, keeping records conditional curve figure confirms that parameter changes in allowed band;
(12) repeat above-mentioned steps (7), (8), (9), (11), and the before and after test data are compared.
The concrete steps in described the 6th step are as follows:
(1) according to weather forecast and on-the-spot wind conditions, the maximum active power of wind turbine generator is set is 10% of the specified active power of test electrical network thermal power generation unit, load device is loaded as 80% of the specified active power of test electrical network thermal power generation unit, start wind power generation set grid-connection operation at least 1 hour, writing time, wind speed, wind turbine generator rotating speed, wind turbine generator blade angle, cabin vibration values, wind turbine generator active power, reactive power, line voltage, mains frequency, thermal power generation unit active power, reactive power;
(2) according to weather forecast and on-the-spot wind conditions, progressively increase the maximum active power setting of wind turbine generator, be set at 20% of the specified active power of test electrical network thermal power generation unit, 30%, 40%, 50%, load device loads and keeps 80% of the specified active power of test electrical network thermal power generation unit, respectively be incorporated into the power networks at least 1 hour, writing time, wind speed, the wind turbine generator rotating speed, wind turbine generator blade angle, the cabin vibration values, wind turbine generator active power, reactive power, line voltage, mains frequency, thermal power generation unit active power, reactive power;
(3) according to weather forecast and on-the-spot wind conditions, load device is loaded as the specified active power of test electrical network thermal power generation unit, progressively increase the maximum active power of wind turbine generator and be set to test 80% of the specified active power of electrical network thermal power generation unit, keep being incorporated into the power networks about 1 hour, writing time, wind speed, wind turbine generator rotating speed, wind turbine generator blade angle, cabin vibration values, wind turbine generator active power, reactive power, line voltage, mains frequency, thermal power generation unit active power, reactive power.
Described thermal power generation unit is diesel generating set or fuel gas generation unit; Load device adopts dried resistance or water resistance as load.
Beneficial effect of the present invention is: the present invention is owing to adopt technique scheme, the offshore oil platform electrical network that carries out wind turbine generator and simulation on the land test of being incorporated into the power networks, after obtaining test data and analyzing adjustment, again wind turbine generator integral body is transported to offshore production platform and install, avoided wind turbine generator to be installed to after the offshore production platform and generation power failure stopping production accident in offshore production platform electrical network and the network process.Simultaneously, site operation is convenient in the simple and direct practicality of the inventive method, provides a kind of effective method for later ocean production platform wind fires the do not stop production smooth implementation that is incorporated into the power networks of complementary minor scale power net.
Description of drawings:
Fig. 1 is the system diagram that wind turbine generator of the present invention and ocean platform electrical network do not stop production and be incorporated into the power networks and test.Major label description in figure:
1 wind turbine generator, 2 diesel generating sets, 3 wind turbine generator go out wiretap, 4 transformers, 5 load devices, 6 transformer accessory power supplys, 7 diesel generating set accessory power supplys, 8 load device accessory power supplys, 9 test monitoring equipment.
Embodiment
Consult shown in Figure 1ly, pilot system of the present invention comprises: wind turbine generator 1, diesel generating set 2, wind turbine generator go out wiretap 3, box type transformer 4, load device 5, transformer accessory power supply 6, diesel generating set accessory power supply 7, load device accessory power supply 8, test monitoring equipment 9 etc.Present embodiment is: transformer 4 adopts high pressure one end for exchanging 690V, and low pressure one end is for exchanging the box type transformer (transformer+turnover wiretap) of 400V; Load device 5 adopts dried resistance or water resistance as load; Load device accessory power supply 8 adopts and exchanges the 380V power supply, and transformer accessory power supply 6 adopts and exchanges the 380V power supply, and diesel generating set accessory power supply 7 adopts the alternating current 220V power supply;
Diesel generating set also can substitute with the fuel gas generation unit; When using the fuel gas generation unit, its diesel generating set accessory power supply is substituted by fuel gas generation unit accessory power supply.
Wind turbine generator 1: model is golden wind 70/1500, and major parameter is: rated power 1500KW, rated voltage 690V, constant power factor 0.98; Diesel generating set 2: the oil and gas generator cohort that the simulation offshore production platform is being incorporated into the power networks, model is DCM1100, rated power is 1100KW, power factor 0.8, rated voltage 400V, amount rotating speed 1500RPM; Box type transformer 4: major parameter is: rated capacity 1600KVA, rated voltage 690/400V;
Wind turbine generator goes out wiretap 3 and exchanges ACB R2000A, voltage 690V;
Load device 5: the load of simulation offshore production platform, adopt GFZ II-3 type load device, 3250KVA, 380V, power factor 0.8; Load device 380V accessory power supply 8: electric current 300A, voltage 380V; Box type transformer 380V accessory power supply 6: electric current 100A, voltage 380V;
Test monitoring equipment 9: mainly by industrial computer, PLC programmable controller, DI/AI input module, compositions such as display; Realization goes out to wind turbine generator 1, diesel generating set 2, wind turbine generator that the parameters such as voltage, electric current, frequency, power factor of wiretap 3 are gathered, processing, conditional curve figure show, preserve;
The concrete connecting mode of the said equipment is:
High pressure one end (690V) of transformer 4 links to each other through the input that cable and wind turbine generator go out wiretap 3, and the output that wind turbine generator goes out wiretap 3 links to each other through the input of cable with wind turbine generator 1; Diesel generating set 2 outputs link to each other with load device 5 inlet wire busbars, and transformer 4 low pressure, one ends (400V) link to each other with load device 5 inlet wire busbars through cable; Load device accessory power supply 8 links to each other with load device 5; Box type transformer accessory power supply 6 links to each other with box type transformer 4; Diesel generating set accessory power supply 7 links to each other with diesel generating set 2; Wind turbine generator 1 links to each other with test monitoring equipment 9;
Wind turbine generator goes out wiretap 3 and links to each other with test monitoring equipment 9; Diesel generating set 2 links to each other with test monitoring equipment 9.By an above-mentioned wind turbine generator and the ocean platform electrical network system of test of being incorporated into the power networks that do not stop production that connects and composes.
Wind turbine generator of the present invention and the offshore platform electrical network test method that is incorporated into the power networks that do not stop production comprises the following steps:
1, as shown in Figure 1, carry out the connection of pilot system equipment on land;
2, checkout facility equipment: wind turbine generator 1, diesel generating set 2, transformer 4, load device 5 and wind turbine generator are gone out wiretap 3 carry out functional check, test monitoring equipment 9 is debugged, test is got ready in order to be incorporated into the power networks.
3, give the pilot system device power
3.1 give diesel generating set 2 for accessory power supply, start diesel generating set 2, check that to confirm output voltage, frequency normal.
3.2 closed diesel generating set 2 gates out switch, check that 400V side switch end opening voltage, the frequency of confirming box type transformer 4 are normal, closed box type transformer 4 switches (400V side) check that to confirm box type transformer 4 high side switchs (690V side) suitable for reading operating voltage, frequency normal.
Send 110V control power supply 3.3 go out wiretap 3 to wind turbine generator, closed box type transformer 4 outlet sides (690V side) switch send electricity to go out wiretap 3 to wind turbine generator, checks that affirmation voltage, frequency are normal.
3.4 send accessory power supply for load device 5, start cooling blower, check and confirm that load device 5 possesses loading environment.
3.5 start load device 5, load 240KW for diesel generating set 2.
3.6 closed wind turbine generator goes out wiretap 3, send 690V power supply for wind turbine generator 1, checks that the affirmation system is charged normal.
4, start wind turbine generator 1, no-load running confirms that raising speed and vibration are normal, carries out the emergency stop function test by wind turbine generator 1 " emergency shutdown " button, confirms that emergency stop function is normal.
5, carry out wind turbine generator and start also test of net operation loading procedure and orderly closedown process testing:
Test objective: determine the influence of wind power generation set grid-connection operation to line voltage, frequency; Determine of the influence of wind turbine generator shutdown operation to line voltage, frequency;
Experimental condition: in the process of the test, the specified active power 1100KW that load device 5 (being the electrical network total load) is loaded as diesel generating set 2 promptly tests the specified active power of electrical network thermal power generation unit; The maximum active power of wind turbine generator 1 is set to 55KW, 110KW respectively; the maximum active power that is wind turbine generator 1 is respectively 5%, 10% of the specified active power of test electrical network thermal power generation unit; for guaranteeing that experimental safe carries out, carry out lower being incorporated into the power networks and shutting down the off-the-line operating operation test of load level earlier.
Concrete steps are:
5.1 confirm that wind-force and armamentarium satisfy wind turbine generator and start power generation conditions;
5.2 load device 5 (electrical network load) is loaded into active power 800KW, make active power greater than 60% of the specified active power of test electrical network thermal power generation unit, and greater than the maximum active power of output of testing the pairing wind turbine generator of wind-force at that time, avoid diesel generating set inverse probability to occur, power factor is: 0.8;
5.3 the peak power output of wind turbine generator 1 is set to 40KW, less than 5% of the test electrical network specified active power of heating power unit (1100KW);
5.4 the parameter measurement sampling period of monitoring device 9 is set at 10ms, opening entry conditional curve figure;
5.5 start wind turbine generator 1, be incorporated into the power networks wind turbine generator 1 in the loading procedure, diesel generating set 2, wind turbine generator of observation goes out the isoparametric dynamic changing process of voltage, frequency, active power, reactive power of wiretap 3 (electrical network bus), keeping records conditional curve figure confirms that parameter changes in allowed band;
5.6 on the control panel of wind turbine generator 1, press " shutdown " button, wind turbine generator 1, diesel generating set 2, wind turbine generator go out the isoparametric dynamic changing process of voltage, frequency, active power, reactive power of wiretap 3 (electrical network) in the observation orderly closedown off-load off-the-line process, keeping records conditional curve figure confirms that parameter changes in allowed band;
5.7 load device 5 (electrical network load) is loaded into active power 1100KW, and power factor 0.8 is promptly tested electrical network thermal power generation unit and is reached specified active power;
5.8 the peak power output of wind turbine generator 1 is set to 55kw, promptly tests 5% of the specified active power of electrical network thermal power generation unit;
5.9 start wind turbine generator 1, be incorporated into the power networks wind turbine generator 1 in the loading procedure, diesel generating set 2, wind turbine generator of observation goes out the isoparametric dynamic changing process of voltage, frequency, active power, reactive power of wiretap 3 (electrical network), keeping records conditional curve figure confirms that parameter changes in allowed band;
5.10 when wind turbine generator 1 active power of output is 55KW, on the control panel of wind turbine generator 1, press " shutdown " button, wind turbine generator 1, diesel generating set 2, wind turbine generator go out the isoparametric dynamic changing process of voltage, frequency, active power, reactive power of wiretap 3 (electrical network) in the observation orderly closedown off-load off-the-line process, keeping records conditional curve figure confirms that parameter changes in allowed band;
5.11 repeat step 5.9,5.10, and twice test data compared;
5.12 the peak power output of wind turbine generator 1 is set to 110kw, promptly tests 10% of the specified active power of electrical network thermal power generation unit;
5.13 start wind turbine generator 1, be incorporated into the power networks wind turbine generator 1 in the loading procedure, diesel generating set 2, wind turbine generator of observation goes out the isoparametric dynamic changing process of voltage, frequency, active power, reactive power of wiretap 3 (electrical network), keeping records conditional curve figure confirms that parameter changes in allowed band;
5.14 when wind turbine generator 1 active power of output is 110KW, on the control panel of wind turbine generator 1, press " shutdown " button, wind turbine generator 1, diesel generating set 2, wind turbine generator go out the isoparametric dynamic changing process of voltage, frequency, active power, reactive power of wiretap 3 (electrical network) in the observation orderly closedown off-load off-the-line process, keeping records conditional curve figure confirms that parameter changes in allowed band;
5.15 repeat step 5.13,5.14, and twice test data compared;
6, carry out the test of wind turbine generator on-load emergency shutdown
Test objective: determine the influence of wind turbine generator emergency shutdown and emergency stop valve trip to line voltage, frequency;
Experimental condition: in the process of the test, the specified active power 1100KW that load device 5 (being the electrical network total load) is loaded as diesel generating set 2 promptly tests the specified active power of electrical network thermal power generation unit; The maximum active power of wind turbine generator 1 is set to 55KW, 110KW respectively, and promptly the maximum active power of wind turbine generator 1 is set to test 5%, 10% of the specified active power of electrical network thermal power generation unit respectively.
Concrete steps are:
6.1 under load device 5, diesel generating set, wind power generation set grid-connection running status, load device 5 loads 1100KW, the maximum active power of wind turbine generator is set to 55KW;
6.2 when the wind turbine generator instantaneous active power is 55KW, on the control panel of wind turbine generator 1, press " emergency shutdown " button, wind turbine generator 1, diesel generating set 2, wind turbine generator go out the isoparametric dynamic changing process of voltage, frequency, active power, reactive power of wiretap 3 (electrical network) in the observation emergency shutdown off-load off-the-line process, keeping records conditional curve figure confirms that parameter changes in allowed band;
6.3 repeat step 6.1,6.2, and twice test data compared;
6.4 under load device 5, diesel generating set, wind power generation set grid-connection running status, load device 5 loads 1100KW, the maximum active power of wind turbine generator is set to 110KW;
6.5 when the wind turbine generator instantaneous active power is 110KW, on the control panel of wind turbine generator 1, press " emergency shutdown " button, wind turbine generator 1, diesel generating set 2, wind turbine generator go out the isoparametric dynamic changing process of voltage, frequency, active power, reactive power of wiretap 3 (electrical network) in the observation emergency shutdown off-load off-the-line process, keeping records conditional curve figure confirms that parameter changes in allowed band;
6.6 repeat step 6.4,6.5, and twice test data compared.
7, carry out the test of network load sudden unloading process
Test objective: the start and stop of simulation offshore platform high-power electrical equipment, examination electric network reliability and line voltage, frequency stability;
Experimental condition: during the impact load test, the load that load device 5 is prepared impacts be 220KW (for test electrical network total load 20%), before the impact load, test electric network active power is 880KW; During load dump test, load device 5 prepare the prominent load that unloads be 220KW (for test electrical network total load 20%), before the prominent load removal, test electric network active power is 1100KW.
Concrete steps are:
7.1 under load device 5, diesel generating set, wind power generation set grid-connection running status, load device 5 loads 880KW, the maximum active power of wind turbine generator is set to 55KW;
7.2 preliminary election impact load 220KW on load device 5 control panels;
7.3 when the wind turbine generator instantaneous active power is 55KW, with load device 5 load impact 220KW, wind turbine generator 1, diesel generating set 2, wind turbine generator go out the isoparametric dynamic changing process of voltage, frequency, active power, reactive power of wiretap 3 (electrical network) in the observation impact load process, keeping records conditional curve figure confirms that parameter changes in allowed band;
7.4 the prominent load removal 220KW of preliminary election on load device 5 control panels;
7.5 when the wind turbine generator instantaneous active power is 55KW, with the prominent 220KW that unloads of load device 5 loads, wind turbine generator 1, diesel generating set 2, wind turbine generator go out the isoparametric dynamic changing process of voltage, frequency, active power, reactive power of wiretap 3 (electrical network) in the prominent load removal process of observation, keeping records conditional curve figure confirms that parameter changes in allowed band;
7.6 repeat step 7.2,7.3,7.4,7.5, and twice test data compared;
7.7 under load device 5, diesel generating set, wind power generation set grid-connection running status, load device 5 loads 880KW, the maximum active power of wind turbine generator is set to 110KW;
7.8 preliminary election impact load 220KW on load device 5 control panels;
7.9 when wind turbine generator 1 instantaneous active power is 110KW, with load device 5 load impact 220KW, wind turbine generator 1, diesel generating set 2, wind turbine generator go out the isoparametric dynamic changing process of voltage, frequency, active power, reactive power of wiretap 3 (electrical network) in the observation impact load process, keeping records conditional curve figure confirms that parameter changes in allowed band;
7.10 the prominent load removal 220KW of preliminary election on load device 5 control panels;
7.11 when wind turbine generator 1 instantaneous active power is 110KW, with the prominent 220KW that unloads of load device 5 loads, wind turbine generator 1, diesel generating set 2, wind turbine generator go out the isoparametric dynamic changing process of voltage, frequency, active power, reactive power of wiretap 3 (electrical network) in the prominent load removal process of observation, keeping records conditional curve figure confirms that parameter changes in allowed band;
7.12 repeat step 7.7,7.8,7.9,7.11, and twice test data compared;
8, carry out the generate electricity by way of merging two or more grid systems complementary operation test of wind turbine generator and diesel engine unit
Test objective: obtain the data that the test electrical network is incorporated into the power networks, examination wind turbine generator performance, reliability, fail safe;
Experimental condition: progressively increase wind turbine generator 1 maximum active power setting, according to weather forecast and on-the-spot wind conditions, suitably adjust the active power that load device 5 loads, inverse probability occurs because of the excessive diesel generating set that causes of wind turbine generator active power of output when avoiding wind-force to increase suddenly;
Concrete steps are:
8.1 according to weather forecast and on-the-spot wind conditions, it is 110KW that the maximum active power of wind turbine generator is set, load device 5 loads 880KW, start wind power generation set grid-connection operation at least 1 hour, writing time, wind speed, wind turbine generator rotating speed, wind turbine generator blade angle, cabin vibration values, wind turbine generator active power, reactive power, line voltage, mains frequency, diesel generating set active power, reactive power;
8.2 according to weather forecast and on-the-spot wind conditions, progressively increase wind turbine generator 1 maximum active power setting, be set at 220KW, 330KW, 440KW, 550KW, load device 5 loads and keeps 880KW, respectively be incorporated into the power networks at least 1 hour, writing time, wind speed, wind turbine generator rotating speed, wind turbine generator blade angle, cabin vibration values, wind turbine generator active power, reactive power, line voltage, mains frequency, diesel generating set active power, reactive power;
8.3 according to weather forecast and on-the-spot wind conditions, load device is loaded as 1100KW, progressively increases the maximum active power of wind turbine generator and be set to 880KW.Keep being incorporated into the power networks about 1 hour, writing time, wind speed, wind turbine generator rotating speed, wind turbine generator blade angle, cabin vibration values, wind turbine generator active power, reactive power, line voltage, mains frequency, thermal power generation unit active power, reactive power.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Claims (10)
1. wind turbine generator and the offshore platform electrical network pilot system that is incorporated into the power networks that do not stop production, it is characterized in that: comprising: wind turbine generator, the thermal power generation unit, wind turbine generator goes out wiretap, transformer, load device, the transformer accessory power supply, thermal power generation unit accessory power supply, load device accessory power supply and test monitoring equipment, the concrete connecting mode of the said equipment is: high pressure one end of transformer links to each other through the input that cable and wind turbine generator go out wiretap, and the output that wind turbine generator goes out wiretap links to each other with the input of wind turbine generator through cable; Thermal power generation unit output links to each other with load device inlet wire busbar, and transformer low voltage one end links to each other with load device inlet wire busbar through cable; The load device accessory power supply links to each other with load device; The transformer accessory power supply links to each other with transformer; Thermal power generation unit accessory power supply links to each other with the thermal power generation unit; Wind turbine generator links to each other with test monitoring equipment; Wind turbine generator goes out wiretap and links to each other with test monitoring equipment; The thermal power generation unit links to each other with test monitoring equipment, by an above-mentioned wind turbine generator and the ocean platform electrical network system of test of being incorporated into the power networks that do not stop production that connects and composes.
2. wind turbine generator according to claim 1 and the offshore platform electrical network pilot system that is incorporated into the power networks that do not stop production, it is characterized in that: described thermal power generation unit is diesel generating set or fuel gas generation unit.
3. wind turbine generator according to claim 1 and the offshore platform electrical network pilot system that is incorporated into the power networks that do not stop production, it is characterized in that: described load device adopts dried resistance or water resistance as load.
4. wind turbine generator and the offshore platform electrical network test method that is incorporated into the power networks that do not stop production is characterized in that: comprise the following steps:
The first step is given the pilot system device power;
Second step started wind turbine generator, and no-load running confirms that raising speed and vibration are normal;
In the 3rd step, carry out wind turbine generator and start also test of net operation loading procedure and orderly closedown process testing;
In the 4th step, carry out the test of wind turbine generator on-load emergency shutdown;
In the 5th step, carry out the test of network load sudden unloading process;
In the 6th step, carry out wind turbine generator and the heating power unit complementary operation that generates electricity by way of merging two or more grid systems and test.
5. wind turbine generator according to claim 4 and the offshore platform electrical network test method that is incorporated into the power networks that do not stop production, it is characterized in that: the concrete steps of the described first step are as follows:
(1) gives the thermal power generation unit for accessory power supply, start the thermal power generation unit, check that to confirm output voltage, frequency normal;
(2) closed thermal power generation unit gate out switch check to confirm that low-side switch end opening voltage, the frequency of transformer is normal, and closed transformer switch low-pressure side checks that to confirm oral-lateral operating voltage on the transformer high-voltage side switch, frequency normal;
(3) go out wiretap to wind turbine generator and send the control power supply, closed transformer outlet side switch send electricity to go out wiretap to wind turbine generator, checks that affirmation voltage, frequency are normal;
(4) send accessory power supply to load device, start cooling blower, check and confirm whether load device possesses loading environment;
(5) start load device, load for the thermal power generation unit;
(6) closed wind turbine generator goes out wiretap, send power supply to wind turbine generator, checks that the affirmation system is charged normal.
6. wind turbine generator according to claim 4 and the offshore platform electrical network test method that is incorporated into the power networks that do not stop production is characterized in that: the concrete steps in described the 3rd step are as follows:
(1) confirms that wind-force and armamentarium satisfy wind turbine generator and start power generation conditions;
(2) load device is loaded, make active power greater than 60% of the specified active power of test electrical network thermal power generation unit, and greater than the maximum active power of output of testing the pairing wind turbine generator of wind-force at that time, power factor is a rated power factor;
(3) peak power output of wind turbine generator is set to the value less than the specified active power 5% of test electrical network heating power unit;
(4) the parameter measurement sampling period with monitoring device 9 is set at 10ms, opening entry conditional curve figure;
(5) start wind turbine generator, be incorporated into the power networks wind turbine generator in the loading procedure, thermal power generation unit, wind turbine generator of observation goes out the isoparametric dynamic changing process of voltage, frequency, active power, reactive power of wiretap, keeping records conditional curve figure confirms that parameter changes in allowed band;
(6) on the control panel of wind turbine generator, press " shutdown " button, wind turbine generator, thermal power generation unit, wind turbine generator go out the isoparametric dynamic changing process of voltage, frequency, active power, reactive power of wiretap in the observation orderly closedown off-load off-the-line process, keeping records conditional curve figure confirms that parameter changes in allowed band;
(7) load device is loaded into test electrical network heating power unit and reaches specified active power;
(8) peak power output of wind turbine generator is set to test 5% of the specified active power of electrical network heating power unit;
(9) start wind turbine generator, be incorporated into the power networks wind turbine generator in the loading procedure, thermal power generation unit, wind turbine generator of observation goes out the isoparametric dynamic changing process of voltage, frequency, active power, reactive power of wiretap, keeping records conditional curve figure confirms that parameter changes in allowed band;
(10) when the wind turbine generator active power of output is the set point of above-mentioned steps (8), on the control panel of wind turbine generator, press " shutdown " button, wind turbine generator, thermal power generation unit, wind turbine generator go out the isoparametric dynamic changing process of voltage, frequency, active power, reactive power of wiretap 3 in the observation orderly closedown off-load off-the-line process, keeping records conditional curve figure confirms that parameter changes in allowed band;
(11) repeat a step (9), (10), and the before and after test data are compared;
(12) peak power output of wind turbine generator is set to: 10% of the specified active power of test electrical network thermal power generation unit;
(13) start wind turbine generator, be incorporated into the power networks wind turbine generator in the loading procedure, thermal power generation unit, wind turbine generator of observation goes out the isoparametric dynamic changing process of voltage, frequency, active power, reactive power of wiretap, keeping records conditional curve figure confirms that parameter changes in allowed band;
(14) when the wind turbine generator active power of output is the set point of above-mentioned steps (12), on the control panel of wind turbine generator, press " shutdown " button, wind turbine generator, thermal power generation unit, wind turbine generator go out the isoparametric dynamic changing process of voltage, frequency, active power, reactive power of wiretap in the observation orderly closedown off-load off-the-line process, keeping records conditional curve figure confirms that parameter changes in allowed band;
(15) repeat above-mentioned steps (13), (14), and the before and after test data are compared.
7. wind turbine generator according to claim 4 and the offshore platform electrical network test method that is incorporated into the power networks that do not stop production is characterized in that: the concrete steps in described the 4th step are as follows:
(1) under load device, thermal power generation unit, wind power generation set grid-connection running status, load device active power is the specified active power of thermal power generation unit, and the maximum active power of wind turbine generator is set to test 5% of the specified active power of electrical network heating power unit;
(2) when the wind turbine generator instantaneous active power is the set point of above-mentioned steps (1), on the control panel of wind turbine generator, press " emergency shutdown " button, wind turbine generator, thermal power generation unit, wind turbine generator go out the isoparametric dynamic changing process of voltage, frequency, active power, reactive power of wiretap in the observation emergency shutdown off-load off-the-line process, keeping records conditional curve figure confirms that parameter changes in allowed band;
(3) repeat above-mentioned steps (2), and the before and after test data are compared;
(4) under load device, thermal power generation unit, wind power generation set grid-connection running status, load device active power is the specified active power of thermal power generation unit, and the maximum active power of wind turbine generator is set to test 10% of the specified active power of electrical network heating power unit;
(5) when wind turbine generator 1 instantaneous active power is the set point of above-mentioned steps (4), on the control panel of wind turbine generator, press " emergency shutdown " button, wind turbine generator, thermal power generation unit, wind turbine generator go out the isoparametric dynamic changing process of voltage, frequency, active power, reactive power of wiretap in the observation emergency shutdown off-load off-the-line process, keeping records conditional curve figure confirms that parameter changes in allowed band;
(6) repeat above-mentioned steps (5), and the before and after test data are compared.
8. wind turbine generator according to claim 4 and the offshore platform electrical network test method that is incorporated into the power networks that do not stop production is characterized in that: the concrete steps in described the 5th step are as follows:
(1) under load device, thermal power generation unit, wind power generation set grid-connection running status, load active power to load device and be 80% of the specified active power of test electrical network thermal power generation unit, the maximum active power of wind turbine generator is set to test 5% of the specified active power of electrical network heating power unit;
(2) preliminary election impact load is 20% of the specified active power of test electrical network thermal power generation unit on the load device control panel;
(3) when the wind turbine generator instantaneous active power is the set point of above-mentioned steps (1), with the load preliminary election impact load of impact above-mentioned steps (2) of load device, wind turbine generator, thermal power generation unit, wind turbine generator go out the isoparametric dynamic changing process of voltage, frequency, active power, reactive power of wiretap in the observation impact load process, keeping records conditional curve figure confirms that parameter changes in allowed band;
(4) the prominent load removal of preliminary election is 20% of the specified active power of test electrical network thermal power generation unit on the load device control panel;
(5) when the wind turbine generator instantaneous active power is the set point of above-mentioned steps (1), with the prominent prominent load removal of preliminary election that unloads above-mentioned steps (4) of load device 5 loads, wind turbine generator, thermal power generation unit, wind turbine generator go out the isoparametric dynamic changing process of voltage, frequency, active power, reactive power of wiretap in the prominent load removal process of observation, keeping records conditional curve figure confirms that parameter changes in allowed band;
(6) repeat above-mentioned steps (2), (3), (4), (5), and the before and after test data are compared;
(7) under load device, thermal power generation unit, wind power generation set grid-connection running status, be loaded as 80% of the specified active power of test electrical network thermal power generation unit for load device 5, the maximum active power of wind turbine generator is set to test 10% of the specified active power of electrical network heating power unit;
(8) preliminary election impact load is 20% of the specified active power of test electrical network thermal power generation unit on the load device control panel;
(9) when the wind turbine generator instantaneous active power is the set point of above-mentioned steps (7), with the load preliminary election impact load of impact above-mentioned steps (8) of load device, wind turbine generator, thermal power generation unit, wind turbine generator go out the isoparametric dynamic changing process of voltage, frequency, active power, reactive power of wiretap in the observation impact load process, keeping records conditional curve figure confirms that parameter changes in allowed band;
(10) the prominent load removal of preliminary election is 20% of the specified active power of test electrical network thermal power generation unit on the load device control panel;
(11) when the wind turbine generator instantaneous active power is the set point of above-mentioned steps (7), with the prominent prominent load removal of preliminary election that unloads above-mentioned steps (10) of load device load, wind turbine generator, thermal power generation unit, wind turbine generator go out the isoparametric dynamic changing process of voltage, frequency, active power, reactive power of wiretap in the prominent load removal process of observation, keeping records conditional curve figure confirms that parameter changes in allowed band;
(12) repeat above-mentioned steps (7), (8), (9), (11), and the before and after test data are compared.
9. wind turbine generator according to claim 4 and the offshore platform electrical network test method that is incorporated into the power networks that do not stop production is characterized in that: the concrete steps in described the 6th step are as follows:
(1) according to weather forecast and on-the-spot wind conditions, the maximum active power of wind turbine generator is set is 10% of the specified active power of test electrical network thermal power generation unit, load device is loaded as 80% of the specified active power of test electrical network thermal power generation unit, start wind power generation set grid-connection operation at least 1 hour, writing time, wind speed, wind turbine generator rotating speed, wind turbine generator blade angle, cabin vibration values, wind turbine generator active power, reactive power, line voltage, mains frequency, thermal power generation unit active power, reactive power;
(2) according to weather forecast and on-the-spot wind conditions, progressively increase the maximum active power setting of wind turbine generator, be set at 20% of the specified active power of test electrical network thermal power generation unit, 30%, 40%, 50%, load device loads and keeps 80% of the specified active power of test electrical network thermal power generation unit, respectively be incorporated into the power networks at least 1 hour, writing time, wind speed, the wind turbine generator rotating speed, wind turbine generator blade angle, the cabin vibration values, wind turbine generator active power, reactive power, line voltage, mains frequency, thermal power generation unit active power, reactive power;
(3) according to weather forecast and on-the-spot wind conditions, load device is loaded as the specified active power of test electrical network thermal power generation unit, progressively increase the maximum active power of wind turbine generator and be set to test 80% of the specified active power of electrical network thermal power generation unit, keep being incorporated into the power networks about 1 hour, writing time, wind speed, wind turbine generator rotating speed, wind turbine generator blade angle, cabin vibration values, wind turbine generator active power, reactive power, line voltage, mains frequency, thermal power generation unit active power, reactive power.
10. according to claim 4,5,6,7,8 or 9 described wind turbine generator and the offshore platform electrical network test method that is incorporated into the power networks that do not stop production, it is characterized in that: described thermal power generation unit is diesel generating set or fuel gas generation unit; Load device adopts dried resistance or water resistance as load.
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