CN103470451A - Wind power and diesel mixed power generating system and method - Google Patents
Wind power and diesel mixed power generating system and method Download PDFInfo
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- CN103470451A CN103470451A CN2012101890410A CN201210189041A CN103470451A CN 103470451 A CN103470451 A CN 103470451A CN 2012101890410 A CN2012101890410 A CN 2012101890410A CN 201210189041 A CN201210189041 A CN 201210189041A CN 103470451 A CN103470451 A CN 103470451A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The invention provides a wind power and diesel mixed power generating system, which comprises a plurality of wind generator sets, a plurality of diesel generator sets and a control system, wherein the control system controls the operation of the wind generator sets and the diesel generator sets, and comprises a diesel generator set control system with a grid-connection function and a wind generator set control system with a grid-connection function, the wind generator sets and the diesel generator sets are in grid-connection operation and are connected into an electricity network, and in addition, the wind generator sets and the diesel generator sets are respectively connected with the control system. The wind power and diesel mixed power generating system has the advantages that the operation of the wind generator sets and the diesel generator sets is intelligently controlled through the control system, the wind generator sets are preferably used for supplying electricity, the diesel generator sets are used as standby machines for ensuring the stable supply of the electric power, and the diesel generator sets are used for meeting the electric power supply when the electric power demands are great.
Description
Technical field
The present invention relates to power field, be specifically related to fully utilize wind-driven generator, diesel generator in one integrated power generation system and the method thereof that can control voluntarily.
Background technique
In remote desert and area, grassland, in order to fixed-site, to carry out powerful power supply, usually adopt many diesel generating sets to carry out parallel running and form the integrated power station of diesel generating set.When the high enterprise of oil price or transportation inconvenience, cost of electricity-generating is soaring at double.In order to meet the electricity consumption needs and to reduce electric cost and protection of the environment, need to adopt the clean energy resource generating to guarantee the supply of electric power.
The wind-powered engine group system obtains the electric energy special type and determines that the sustainability of its electric energy is poor, can also carry out store electrical energy by battery with low power unit, solar energy and wind energy storage are got up, but the battery capacity to high-power unit is too large, cost is huge, and also efficient operation for a long time of battery.Large capacity electric energy just can't be realized storage, the particularly energy of thousands of myriawatts, megawatts of power.Because load is ever-changing, the limitation that the uncertainty of solar electrical energy generation energy harvesting and the high-power energy can't store.
With regard to current clean energy resource, the cost that obtains solar electrical energy generation in the situation of extensive electric power is higher than wind-force cost, therefore be necessary to research and develop wind-force, Diesel Generation System.
Summary of the invention
The purpose of this invention is to provide a kind of wind-force, Diesel Generation System; this system is utilized the wind resource that enriches of Desert Area; by combining of wind power generating set and diesel generating set intelligence; realization intelligence is generated electricity by way of merging two or more grid systems; save valuable petroleum resources and reduced cost of electricity-generating; also utilize abundant wind resource, protected environment.The technical solution used in the present invention is as described below.
A kind of wind-force, Diesel Generation System, comprise some typhoon power generator groups and some diesel generating sets, and the control system of controlling described wind power generating set and diesel generating set operation, described control system comprises the diesel-generator set control system that possesses grid-connected function and the wind turbine control system with grid-connected function, described wind power generating set and diesel generating set are incorporated into the power networks and access described electrical network, and wind power generating set is connected with described control system respectively with diesel generating set.
Wherein, described wind turbine control system comprises clutch, braking device and the output switch of controlling the wind power generating set operation.
Wherein, described diesel-generator set control system comprises diesel generation machine controller and diesel generator output switch.
Wherein, also being provided with frequency variator, DC module, wind turbine in wind turbine control system controls so that the electric power of the generation of this system is steadily inputted electrical network.
A kind of wind-force, Diesel Generation System operation method comprise following step:
At first start diesel generating set by diesel-generator set control system, electrical network is powered, then progressively start wind turbine control system, and closed output switch makes wind power generating set pursue the platform power supply, the condition monitoring electrical network load shown according to described control system is progressively closed described diesel generating set by diesel-generator set control system, independently-powered by wind power generating set, now diesel generating set is used as peak regulating function, guarantees the grid-connected work all the time of a minimum diesel generating set;
Detect by control system the state that load electric needs, when electric energy loaded, gradually reduce when also few than the electric energy of all wind power generating set supply, the clutch that separating brake wind engine unit main switch starts the clutch main shaft is simultaneously stopped power supply wind power generating set, then start described braking device and stop wind power generating set work, wind power generating set exits power supply by platform, when the electrical network load equals the wind power generating set minimum power, wind power generating set is all deactivated, by diesel-electric set electric supply;
When control system detects electrical network load increase, required electric energy arrive the diesel generating set total load more than 50% after, clutch on wind driven generation set main shaft and braking device are removed, wind power generating set is by platform work, wind power generating set output electric energy, need to start diesel generating set by the grid-connected work of platform according to the electrical network load simultaneously, if wind energy meets the load needs, diesel generating set is deactivated by platform, be that diesel-generator set control system is by detecting the load needs, start or close diesel generating set, control to set to regulate with wind power generating set by automation and carry out complementation to meet the electrical network load request.
The invention has the advantages that by the operation of control system intelligent control wind power generating set and diesel generating set, the preferential wind power generating set of using is powered, guarantee the stable supply of electric power with diesel generating set as standby host, when electricity needs is large, use diesel generating set to meet power supply.
The accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of wind-force, Diesel Generation System in the present invention.
Fig. 2 is the schematic diagram of wind turbine control system.
Fig. 3 is the schematic diagram of diesel-generator set control system.
embodiment
Below provide preferred embodiment of the present invention, these embodiments unrestricted content of the present invention.
embodiment
Shown in Figure 1, a kind of wind-force in the embodiment of the present invention, Diesel Generation System, comprise that some typhoon power generator groups 2 and some diesel generating set 1(are graphic simplicity, only draw one in figure), and the control system 3 of controlling described wind power generating set 2 and diesel generating set 1 operation, described control system 3 comprises the diesel-generator set control system 31 that possesses grid-connected function and the wind turbine control system 32 with grid-connected function, described wind power generating set 2 and diesel generating set 1 are incorporated into the power networks and access electrical network 4, and wind power generating set 2 is connected with described control system 3 respectively with diesel generating set 1.Please as shown in Figure 2, described wind turbine control system comprises clutch 321, braking device 322 and the output switch 324 of controlling the wind power generating set operation.Please as shown in Figure 3, described diesel-generator set control system comprises diesel generation machine controller 311 and diesel generator output switch 312.Be provided with frequency variator 330, DC module 329, wind turbine control 332 in wind turbine control system 32 so that the electric power of the generation of this system is steadily inputted electrical network.
Wind power generating set is when operation, and outside wind energy drives main shaft 326 by fan blade and rotates, and then by gearbox 327, passes to generator 323, and generator 323 rotates the output electric energy.Because wind-force alters a great deal, by main shaft cup bearing 325, paddle drives 328, control 332 by wind turbine and control fan blade angle, the fan blade rotating speed is controlled in rational scope, by gearbox 327 speed changes, be delivered to generator 323, speed is controlled in 1000-2000 rev/mins of typical rotating speeds.Corresponding power is thought in output, and rotating speed and power are proportional.
Due to the wind-driven generator rotating speed in 1000-2000 rev/mins, the electric energy frequency of output is in 33HZ-67HZ, three-phase voltage is in the interval fluctuation of 190V-600V, can't be directly and electrical network grid-connected, by frequency variator 330 and DC module 329 stabilized frequencies and voltage, make frequency and the voltage of outputting standard, realization is docked with electrical network.
A kind of wind-force, Diesel Generation System operation method comprise following step:
At first start diesel generating set 1 by diesel-generator set control system 32, electrical network 4 is powered, then progressively the output switch 324 in closed wind turbine control system 31 makes wind power generating set 2 by the platform power supply, condition monitoring electrical network 4 loads that show according to described control system 3 are progressively closed described diesel generating set 1 by diesel-generator set control system 32, independently-powered by wind power generating set 2, now diesel generating set 1 is used as peak regulating function, guarantees the grid-connected work all the time of a minimum diesel generating set 1;
Detect by control system 3 state that load electric needs, when electric energy loaded, gradually reduce when also few than the electric energy of all wind power generating set 2 supplies, the clutch 321 that separating brake wind engine unit 2 main switches start clutch main shaft 326 is simultaneously stopped power supply wind power generating set 2, then start described braking device 322 and stop wind power generating set 2 work, wind power generating set 2 exits power supply by platform, when the electrical network load equals wind power generating set 2 minimum power, wind power generating set 2 is all deactivated, by diesel generating set 1 power supply;
When control system 3 detects electrical network 4 loads increase, required electric energy arrive diesel generating set 1 total load more than 50% after, clutch 321 on wind power generating set 2 main shafts 326 and braking device 322 are removed, wind power generating set 2 is by platform work, wind power generating set 2 output electric energy, according to electrical network, 4 loads need to start diesel generating set 1 by the grid-connected work of platform simultaneously, if wind energy meets the load needs, diesel generating set 1 is deactivated by platform, be that diesel-generator set control system 32 is by detecting the load needs, start or close diesel generating set 1, control to set to regulate with wind power generating set 2 by automation and carry out complementation to meet electrical network 4 load requests.
Above-described embodiment is only a preferred embodiment of the present invention, not is used for limiting content of the present invention, and concrete protection domain of the present invention is as the criterion with claims.
Claims (5)
1. a wind-force, Diesel Generation System, comprise some typhoon power generator groups and some diesel generating sets, and the control system of controlling described wind power generating set and diesel generating set operation, described control system comprises the diesel-generator set control system that possesses grid-connected function and the wind turbine control system with grid-connected function, described wind power generating set and diesel generating set are incorporated into the power networks and access described electrical network, and wind power generating set is connected with described control system respectively with diesel generating set.
2. Wind Diesel Generation System as claimed in claim 1, is characterized in that, described wind turbine control system comprises clutch, braking device and the output switch of controlling the wind power generating set operation.
3. Wind Diesel Generation System as claimed in claim 1, is characterized in that, described diesel-generator set control system comprises diesel generation machine controller and diesel generator output switch.
4. Wind Diesel Generation System as claimed in claim 1, is characterized in that, also is provided with frequency variator, DC module, wind turbine in wind turbine control system and controls so that the electric power of the generation of this system is steadily inputted electrical network.
5. as the described Wind Diesel Generation System of claim 1-4 any one, it is characterized in that a kind of operation method of this system comprises following step:
At first start diesel generating set by diesel-generator set control system, electrical network is powered, then progressively start wind turbine control system, closed output switch makes wind power generating set pursue the platform power supply, the condition monitoring electrical network load shown according to described control system is progressively closed described diesel generating set by diesel-generator set control system, independently-powered by wind power generating set, now diesel generating set is used as peak regulating function, guarantees the grid-connected work all the time of a minimum diesel generating set;
Detect by control system the state that load electric needs, when electric energy loaded, gradually reduce when also few than the electric energy of all wind power generating set supply, the clutch that separating brake wind engine unit main switch starts the clutch main shaft is simultaneously stopped power supply wind power generating set, then start described braking device and stop wind power generating set work, wind power generating set exits power supply by platform, when the electrical network load equals the wind power generating set minimum power, wind power generating set is all deactivated, by diesel-electric set electric supply;
When control system detects electrical network load increase, required electric energy arrive the diesel generating set total load more than 50% after, clutch on wind driven generation set main shaft and braking device are removed, wind power generating set is by platform work, wind power generating set output electric energy, need to start diesel generating set by the grid-connected work of platform according to the electrical network load simultaneously, if wind energy meets the load needs, diesel generating set is deactivated by platform, be that diesel-generator set control system is by detecting the load needs, start or close diesel generating set, control to set to regulate with wind power generating set by automation and carry out complementation to meet the electrical network load request.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012101890410A CN103470451A (en) | 2012-06-08 | 2012-06-08 | Wind power and diesel mixed power generating system and method |
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| CN2012101890410A CN103470451A (en) | 2012-06-08 | 2012-06-08 | Wind power and diesel mixed power generating system and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105529734A (en) * | 2014-10-21 | 2016-04-27 | 通用电气公司 | Induction generator system with a grid-loss ride-through capability |
| US9742193B2 (en) | 2014-06-30 | 2017-08-22 | Mahindra EPC Services Pvt. Ltd. | System which intelligently and optimally controls power utilization from hybrid energy sources |
| CN112664395A (en) * | 2019-10-16 | 2021-04-16 | 吉晟企业有限公司 | Natural power generation equipment with auxiliary power |
-
2012
- 2012-06-08 CN CN2012101890410A patent/CN103470451A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9742193B2 (en) | 2014-06-30 | 2017-08-22 | Mahindra EPC Services Pvt. Ltd. | System which intelligently and optimally controls power utilization from hybrid energy sources |
| CN105529734A (en) * | 2014-10-21 | 2016-04-27 | 通用电气公司 | Induction generator system with a grid-loss ride-through capability |
| CN112664395A (en) * | 2019-10-16 | 2021-04-16 | 吉晟企业有限公司 | Natural power generation equipment with auxiliary power |
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Application publication date: 20131225 |