CN205453286U - But small -size power station integration activestandby switching control system control panel - Google Patents
But small -size power station integration activestandby switching control system control panel Download PDFInfo
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- CN205453286U CN205453286U CN201620197144.5U CN201620197144U CN205453286U CN 205453286 U CN205453286 U CN 205453286U CN 201620197144 U CN201620197144 U CN 201620197144U CN 205453286 U CN205453286 U CN 205453286U
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- 230000010354 integration Effects 0.000 title claims abstract description 17
- 230000005284 excitation Effects 0.000 claims abstract description 116
- 230000006870 function Effects 0.000 claims description 50
- 238000000034 method Methods 0.000 claims description 15
- 238000004891 communication Methods 0.000 claims description 14
- 238000005259 measurement Methods 0.000 claims description 10
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 9
- 229910052710 silicon Inorganic materials 0.000 claims description 9
- 239000010703 silicon Substances 0.000 claims description 9
- 239000003921 oil Substances 0.000 claims description 6
- 230000009993 protective function Effects 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 4
- 241001269238 Data Species 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 claims description 3
- 238000004146 energy storage Methods 0.000 claims description 3
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- 230000011664 signaling Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 230000001681 protective effect Effects 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 10
- 230000001360 synchronised effect Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 230000002085 persistent effect Effects 0.000 description 2
- 230000000541 pulsatile effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/12—Energy storage units, uninterruptible power supply [UPS] systems or standby or emergency generators, e.g. in the last power distribution stages
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/248—UPS systems or standby or emergency generators
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Abstract
The utility model discloses a but small -size power station integration activestandby switching control system control panel, it includes the cabinet body, and the upper portion of the cabinet body is equipped with pilot lamp, measuring instrument, indicating instrument, and the mid -mounting of the cabinet body has low -voltage protection device PM, main excitation control device J4, and the lower part of the cabinet body is installed generator export circuit breaker QF and is opened with empty, still install reserve protection device GH in the same term, reserve excitation control device BL on the cabinet body, the utility model discloses automatic the same period of configuration activestandby and protection device in a control panel, activestandby excitation control device, the multi -functional electrical measuring instrument of machine end, the instrument is patrolled and examined to the temperature, temperature protective device and have brush excitation three -phase fully controlled bridge, activestandby device in the same term all has computer the same period and computer electrical protection function, realized that a generating set only needs a control panel intelligent control the that unify, the complete compactness of control panel overall structure, construction and installation are convenient, the input of space and fund has been saved.
Description
Technical field
This utility model relates to equipment for hydroelectric station technical field; a kind of small hydropower station active and standby changeable control system control panel of integration, for automatic startup-shutdown and automatization's Power Regulation, the electic protection operation of three-phase alternating current 400V small hydropower station generating set.
Background technology
The small hydropower station linear quadratic control equipment of domestic operation, owing to building a station early, is manufactured by electronic technology at that time and industry and is limited, and automatization level is relatively low, and primary equipment breaker reliability is the most poor.Small hydropower station automatization substantially exists four kinds of situations at present.The first, participate in country's dilatation potentiation project and synchronize transformation automation equipment, the second, new upper power station automation equipment, the 3rd, old station overhauling technology transformation automation equipment, the 4th, also have part at the used equipment remained stationary at present.The most several aspects all consider renovating of automation equipment and excitation part while carrying out electromotor major overhaul or dilatation.Owing to transformation initial stage industry personnel is not enough to the understanding improving the aspects such as the generating efficiency of generating set, equipment automation control, affected by aspects such as fund inputs, cause small hydropower station automation control appliance to select and fail to comply with technology requirement, certain customers are also using DW15 type chopper, and the safe and continuous operation to power station brings serious hidden danger.
The timely switching of the master/slave device of small hydropower station at present still uses manual operation, when main equipment breaks down, needs manual operation to connect stand-by equipment, interrupts generating, have impact on power generating quality and yield；And the conversion of master/slave device, maintenance time are long, thus have impact on the economic benefit of enterprise.
Summary of the invention
The purpose of this utility model is to provide a kind of small hydropower station active and standby changeable system control panel of integration, can not be switched to stand-by equipment in time when main equipment breaks down solving small hydropower station, thus the problem causing power generation stoppage.
For solving above-mentioned technical problem, technical solution adopted in the utility model is:
A kind of small hydropower station active and standby changeable control system control panel of integration; it includes cabinet; the top of cabinet is provided with display lamp, measuring instruments, reading instument; the middle part of cabinet is provided with low-voltage protection device PM, main excitation controlling device J4; the bottom of cabinet is provided with generator outlet circuit breaker Q F and sky is opened, and described cabinet is also equipped with the standby protection device GH same period, standby excitation controlling device BL；The front panel of described low-voltage protection device PM includes unit ondoscope, unit voltage display, mains frequency display, line voltage display, panel leds, reset key, menu key, ▲ key, key, acknowledgement key; panel leds is used to refer to the On-off signal of low-voltage protection device PM, output state; light expression effectively; reset key, menu key, ▲ key, key, acknowledgement key have been used for browsing low-voltage protection device PM parameter, the checking of real time data, the amendment of definite value, protection；Low-voltage protection device PM is connected with generating set, possesses Auto Power On speed-regulating function, quasi-simultaneous interconnecting function, rotor fly to escape defencive function, instant over current protection function, in limited time excess current protective function, field loss protection function, underfrequency protection function, carrier current protection function, over-voltage protection function, be automatically adjusted active power, reactive power and communication function；Low-voltage protection device PM possesses RS485 communication interface; the various operation electric datas of hydrogenerator and each switch position signal can be uploaded to host computer by it; low-voltage protection device PM also can be remotely controlled by host computer, remote measurement, remote signalling operation and the amendment etc. of protection definite value, it is achieved a distant place or now monitoring to generator operation.
Preferably; the described standby protection device GH same period is connected with electromotor unit, relay; the front panel of the standby protection device GH same period includes numeral method device, 32 display lamps and 4 buttons, button browses for the parameter of the standby protection device GH same period, the checking of real time data, the amendment of definite value, preservation；Having quasi-simultaneous interconnecting capture function, instant over current protection function, in limited time excess current protective function, underfrequency protection function, carrier current protection function, over-voltage protection function, the model of the standby protection device GH same period is ME-31.
Preferably, described main excitation controlling device J4 is for having brush excitation controlling device J4Y or brushless excitation to control device J4W；Described have brush excitation controlling device J4Y to use three-phase fully-controlled silicon controlled rectifier, dual power supply, it is applicable to the generating set of excitation voltage 300VDC, below exciting current 500A, the panel having brush excitation controlling device J4Y is made up of " encouraging increasing ", " encourage and subtract " and " display " 3 buttons and charactron, charactron is used for showing unit voltage, frequency, button represents increase excitation voltage " to encourage increasing ", " encourage and subtract " button and represent minimizing excitation voltage, " show " that button is shown to definite value percent, sampled value percent, controlled silicon conducting angle value；Brush excitation controlling device J4Y is had to have burning voltage, prevent the function of unit overvoltage protection, startup over-current protection；Described brushless excitation controls device J4W and uses single-phase half-controlled bridge-type rectification circuit, and output voltage is 0～205VDC, it is adaptable to the generating set of rated excitation voltage 140V, below rated exciting current 20A；Brushless excitation controls device J4W to be had burning voltage, prevents the function of unit overvoltage protection, startup over-current protection；The model having brush excitation controlling device J4Y is that ME-F2-J4Y brushless excitation controls device, and the model of J4W is ME-F3-J4W.
Preferably, described standby excitation controlling device BL has brush excitation controlling device BLY after being or standby brushless excitation controls device BLW；Have brush excitation controlling device BLY after described and use three-phase fully-controlled silicon controlled rectifier, it is adaptable to excitation voltage 300VDC, the generating set of below exciting current 500A；Described standby brushless excitation controls device and uses single-phase half-controlled bridge-type rectification circuit, and output voltage is 0～205VDC, it is adaptable to the generating set of rated excitation voltage 140V, below rated exciting current 20A.
Preferably, the panel leds on the front panel of described low-voltage protection device PM include starting shooting display lamp, open big display lamp, close bezel, combined floodgate display lamp, quick-break display lamp, loss of excitation display lamp, fly to escape display lamp, separating brake display lamp, thermal light, cross stream display lamp, lower limit display lamp, excess temperature display lamp, halt indicator, communication display lamp, increase and encourage display lamp, subtract and encourage display lamp.
The start bright sign of display lamp length possesses compressor start up condition, and after start display lamp extinguishes, device enters starting procedure；The stator driving big display lamp bright expression main frame opens big output, and when stator reaches generator voltage frequency close to mains frequency 0.5Hz, stator is opened and exported pulsatile once every the interval time set greatly, opens big display lamp and also lights by output impulsive synchronization；Close bezel and represent that equipment carries out stator and turns down operation；Combined floodgate display lamp is that generator outlet chopper closes position display lamp, and after generator outlet breaker open operation, combined floodgate display lamp goes out；Quick-break display lamp is instantaneous overcurrent protection act lamp; generator synchronous generate electricity by way of merging two or more grid systems after; if any phase occurs that electric current is more than momentary excess current setting value in three-phase current; quick-break display lamp is bright; device is instantaneous sends tripping operation output; separating operating generator outlet chopper and automatically carry out shutdown operation, resetting until shutting down finishing device, this lamp extinguishes；Loss of excitation display lamp is after electromotor boots up operation, and 40s can't detect frequency, or excitation reaches excitation time delay automatically, and voltage is less than 50V, or the switching value loss of excitation signal duration of outside input is bright, until having shut down；As long as flying to escape, to meet or exceed 70Hz length bright for display lamp generator frequency, if generator outlet chopper is closing position, the most separately chopper, and automatically carries out shutdown operation, until stopping process completes to fly to escape, display lamp extinguishes；Separating brake display lamp is that generator outlet chopper divides position indicator, and generator outlet chopper is when open position, and this lantern festival length is bright, this lamp automatic distinguishing after generator outlet breaker closing；Thermal light lights expression measurement and control of temperature instrument has overtemperature to output signalizing activity, device overtemperature prote action output tripping operation, separately generator outlet chopper automatically carry out shutdown operation, until stopping process completes the extinguishing of this lamp；Cross stream display lamp flicker to represent in the three-phase current that sent of operating electromotor that any one electric current exceeded stream and arrange value; if the persistent period reaches time delay definite value; this display lamp length is bright; device output tripping operation; separate generator outlet chopper and automatically carry out shutdown operation, until stopping process completes this lamp and extinguishes；Lower limit display lamp is guide vanes of water turbine lower position display lamp；Excess temperature display lamp lights expression measurement and control of temperature instrument has excess temperature to output signalizing activity, and after excess temperature blackout, this display lamp extinguishes；When pressing stop botton, or the protected action of device, or host computer sends out shutdown order, and halt indicator length is bright, and device output tripping operation disconnects generator outlet chopper and automatically carries out shutdown operation, until stopping process completes, halt indicator extinguishes；Communication display lamp length bright expression system is normal with upper machine communication state；Before after electromotor start excitation device also do not has the same period, if line voltage is more than generator voltage 20V, increases and encourage display lamp and light, represent that device encourages increasing output to excitation unit sending out, carry out pressure regulation operation by excitation unit；Generator synchronous grid-connected after, if reactive power less than zero or actual power factor more than set power factor, encourage increasing display lamp light, represent device send out encourage increasing output to excitation controller, carry out increasing by excitation unit and encourage operation, to reduce power factor (PF)；After electromotor start excitation, device is not when also having the same period, if generator voltage is more than line voltage 20V, encourages that to subtract display lamp bright, represents to send to subtract and encourages output to excitation unit, to reduce generator voltage；After the same period, if the power factor set is more than actual power factor, encourages and subtract display lamp and light, increase power factor；During shutdown operation, subtract and encourage display lamp and light, need to separate at once generator outlet chopper, automatically carry out shutdown operation, until stopping process completes to subtract and encourages display lamp and extinguish.
Preferably, described generator outlet circuit breaker Q F selects open frame circuit breaker, and its model is DW45 type.
Preferably, described measuring instruments includes machine end measuring instruments PMG, measurement and control of temperature instrument WDY.
Preferably, described reading instument includes line voltage table PV1, active power meter PP, power-factor meter PPF, excitation voltage table PV, excitation ammeter PA.
Preferably, the upper part of described cabinet is provided with electric network source display lamp HR1, circuit breaker position display lamp HR2, mechanism energy storage display lamp HW, alarm indicator HAB, field loss protection display lamp HR3, oil pump operating display lamp HR4.
Preferably, described sky is opened and is included that grid side on and off switch QF1, generator side on and off switch QF2, Oil pump electrical machinery control switch QF3, low-voltage variation controls device PM on and off switch QF4, excitation unit J4 on and off switch QF5, generator outlet breaker control switch QF6, temperature control instrument switch QF7, machine end measuring instruments on and off switch QF8, degaussing switch QF9.
The beneficial effects of the utility model are:
(1), this utility model configures active and standby automatic paralleling and protection device, active and standby excitation controlling device, machine end multifunctional electric measuring instruments, temperature patrol inspection instrument, temperature protective device in a control panel and has brush excitation three-phase full-controlled bridge; active and standby synchronous device all has microcomputer synchronization and micro electronmechanical gas shielded function; achieving a generating set only needs a control panel to carry out integrated intelligent control; control panel overall structure is the compactest; construction and installation are convenient, save the input of space and fund；
(2) generator outlet chopper in this utility model side uses advanced open frame circuit breaker DW45 type, this chopper is flexible for installation, convenient disassembly, it is easy to change, when breaking down can same model or replace close to model at any time, have little influence on the continuous generating of user；
(3) this utility model is provided simultaneously with low-voltage protection device PM and the standby protection device GH same period, main excitation controlling device J4 and standby excitation controlling device BL; the timely switching of active and standby equipment can be realized; can guarantee that current loop is not opened a way; voltage circuit is the most short-circuit; reach the purpose generated electricity continuously, meet the requirement that electrical network is powered；
(4) this utility model is linked into host computer by communication interface, it is achieved that the long-range monitoring of generating set.
Accompanying drawing explanation
Fig. 1 is that this utility model is applicable to there is the structural representation brushing hair group of motors；
Fig. 2 is the structural representation that this utility model is applicable to brushless power-generating unit；
Fig. 3 is the front-panel structure schematic diagram that the protection of Fig. 1 mesolow controls device PM.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described in further detail.
A kind of small hydropower station active and standby changeable control system control panel of integration as shown in Figure 1 to Figure 3; it includes cabinet; the top of cabinet is provided with display lamp, measuring instruments, reading instument; the middle part of cabinet is provided with low-voltage protection device PM, main excitation controlling device J4; the bottom of cabinet is provided with generator outlet circuit breaker Q F and sky is opened, and described cabinet is also equipped with the standby protection device GH same period, standby excitation controlling device BL；The front panel of described low-voltage protection device PM includes unit ondoscope, unit voltage display, mains frequency display, line voltage display, panel leds, reset key, menu key, ▲ key, key, acknowledgement key; panel leds is used to refer to the On-off signal of low-voltage protection device PM, output state; light expression effectively; reset key, menu key, ▲ key, key, acknowledgement key have been used for browsing low-voltage protection device PM parameter, the checking of real time data, the amendment of definite value, protection；Low-voltage protection device PM is connected with generating set, possesses Auto Power On speed-regulating function, quasi-simultaneous interconnecting function, rotor fly to escape defencive function, instant over current protection function, in limited time excess current protective function, field loss protection function, underfrequency protection function, carrier current protection function, over-voltage protection function, be automatically adjusted active power, reactive power and communication function；Low-voltage protection device PM possesses RS485 communication interface; the various operation electric datas of hydrogenerator and each switch position signal etc. can be uploaded to host computer by it; low-voltage protection device PM also can be remotely controlled by host computer, remote measurement, remote signalling operation and the amendment etc. of protection definite value, it is achieved a distant place or now monitoring to generator operation.
The described standby protection device GH same period is connected with electromotor unit, relay; the front panel of the standby protection device GH same period includes numeral method device, 32 display lamps and 4 buttons, button browses for the parameter of the standby protection device GH same period, the checking of real time data, the amendment of definite value, preservation；Having quasi-simultaneous interconnecting capture function, instant over current protection function, in limited time excess current protective function, underfrequency protection function, carrier current protection function, over-voltage protection function, the model of the standby protection device GH same period is ME-31.
As shown in Figure 1, described main excitation controlling device J4 is for there being brush excitation controlling device J4Y, brush excitation controlling device J4Y is had to use three-phase fully-controlled silicon controlled rectifier, dual power supply, it is applicable to excitation voltage 300VDC, the generating set of below exciting current 500A, there is the panel of brush excitation controlling device J4Y by " encouraging increasing ", " encourage and subtract " and " display " 3 buttons and charactron composition, charactron is used for showing unit voltage, frequency, button represents increase excitation voltage " to encourage increasing ", " encourage and subtract " button and represent minimizing excitation voltage, " show " that button is shown to definite value percent, sampled value percent, controlled silicon conducting angle value；Brush excitation controlling device J4Y is had to have burning voltage, prevent the function of unit overvoltage protection, startup over-current protection；
As in figure 2 it is shown, described main excitation controlling device J4 is brushless excitation controls device J4W；Brushless excitation controls device J4W and uses single-phase half-controlled bridge-type rectification circuit, and output voltage is 0～205VDC, it is adaptable to the generating set of rated excitation voltage 140V, below rated exciting current 20A；Brushless excitation controls device J4W to be had burning voltage, prevents the function of unit overvoltage protection, startup over-current protection；The model having brush excitation controlling device J4Y is ME-F2-J4Y, and it is ME-F3-J4W that brushless excitation controls the model of device J4W.
As it is shown in figure 1, described standby excitation controlling device BL has brush excitation controlling device BLY after being, after have brush excitation controlling device BLY use three-phase fully-controlled silicon controlled rectifier, it is adaptable to excitation voltage 300VDC, the generating set of below exciting current 500A；
As shown in Figure 2, described standby excitation controlling device BL is that standby brushless excitation controls device BLW, and standby brushless excitation controls device and uses single-phase half-controlled bridge-type rectification circuit, and output voltage is 0～205VDC, it is applicable to rated excitation voltage 140V, the generating set of below rated exciting current 20A.
As it is shown on figure 3, the panel leds on the front panel of described low-voltage protection device PM includes starting shooting display lamp, open big display lamp, close bezel, combined floodgate display lamp, quick-break display lamp, loss of excitation display lamp, fly to escape display lamp, separating brake display lamp, thermal light, cross stream display lamp, lower limit display lamp, excess temperature display lamp, halt indicator, communication display lamp, increase and encourage display lamp, subtract and encourage display lamp.
The start bright sign of display lamp length possesses compressor start up condition, and after start display lamp extinguishes, device enters starting procedure；The stator driving big display lamp bright expression main frame opens big output, and when stator reaches generator voltage frequency close to mains frequency 0.5Hz, stator is opened and exported pulsatile once every the interval time set greatly, opens big display lamp and also lights by output impulsive synchronization；Close bezel and represent that equipment carries out stator and turns down operation；Combined floodgate display lamp is that generator outlet chopper closes position display lamp, and after generator outlet breaker open operation, combined floodgate display lamp goes out；Quick-break display lamp is instantaneous overcurrent protection act lamp; generator synchronous generate electricity by way of merging two or more grid systems after; if any phase occurs that electric current is more than momentary excess current setting value in three-phase current; quick-break display lamp is bright; device is instantaneous sends tripping operation output; separating operating generator outlet chopper and automatically carry out shutdown operation, resetting until shutting down finishing device, this lamp extinguishes；Loss of excitation display lamp is after electromotor boots up operation, and 40s can't detect frequency, or excitation reaches excitation time delay automatically, and voltage is less than 50V, or the switching value loss of excitation signal duration of outside input is bright, until having shut down；As long as flying to escape, to meet or exceed 70Hz length bright for display lamp generator frequency, if generator outlet chopper is closing position, the most separately chopper, and automatically carries out shutdown operation, until stopping process completes to fly to escape, display lamp extinguishes；Separating brake display lamp is that generator outlet chopper divides position indicator, and generator outlet chopper is when open position, and this lantern festival length is bright, this lamp automatic distinguishing after generator outlet breaker closing；Thermal light lights expression measurement and control of temperature instrument has overtemperature to output signalizing activity, device overtemperature prote action output tripping operation, separately generator outlet chopper automatically carry out shutdown operation, until stopping process completes the extinguishing of this lamp；Cross stream display lamp flicker to represent in the three-phase current that sent of operating electromotor that any one electric current exceeded stream and arrange value; if the persistent period reaches time delay definite value; this display lamp length is bright; device output tripping operation; separate generator outlet chopper and automatically carry out shutdown operation, until stopping process completes this lamp and extinguishes；Lower limit display lamp is guide vanes of water turbine lower position display lamp；Excess temperature display lamp lights expression measurement and control of temperature instrument has excess temperature to output signalizing activity, and after excess temperature blackout, this display lamp extinguishes；When pressing stop botton, or the protected action of device, or host computer sends out shutdown order, and halt indicator length is bright, and device output tripping operation disconnects generator outlet chopper and automatically carries out shutdown operation, until stopping process completes, halt indicator extinguishes；Communication display lamp length bright expression system is normal with upper machine communication state；Before after electromotor start excitation device also do not has the same period, if line voltage is more than generator voltage 20V, increases and encourage display lamp and light, represent that device encourages increasing output to excitation unit sending out, carry out pressure regulation operation by excitation unit；Generator synchronous grid-connected after, if reactive power less than zero or actual power factor more than set power factor, encourage increasing display lamp light, represent device send out encourage increasing output to excitation controller, carry out increasing by excitation unit and encourage operation, to reduce power factor (PF)；After electromotor start excitation, device is not when also having the same period, if generator voltage is more than line voltage 20V, encourages that to subtract display lamp bright, represents to send to subtract and encourages output to excitation unit, to reduce generator voltage；After the same period, if the power factor set is more than actual power factor, encourages and subtract display lamp and light, increase power factor；During shutdown operation, subtract and encourage display lamp and light, need to separate at once generator outlet chopper, automatically carry out shutdown operation, until stopping process completes to subtract and encourages display lamp and extinguish.
Described generator outlet circuit breaker Q F selects open frame circuit breaker, and its model is DW45 type.
Described measuring instruments includes machine end measuring instruments PMG, measurement and control of temperature instrument WDY.
Described reading instument includes line voltage table PV1, active power meter PP, power-factor meter PPF, excitation voltage table PV, excitation ammeter PA.
The upper part of described cabinet is provided with electric network source display lamp HR1, circuit breaker position display lamp HR2, mechanism energy storage display lamp HW, alarm indicator HAB, field loss protection display lamp HR3, oil pump operating display lamp HR4.
Described sky is opened and is included that grid side on and off switch QF1, generator side on and off switch QF2, Oil pump electrical machinery control switch QF3, low-voltage variation controls device PM on and off switch QF4, excitation unit J4 on and off switch QF5, generator outlet breaker control switch QF6, temperature control instrument switch QF7, machine end measuring instruments on and off switch QF8, degaussing switch QF9.
This utility model configures active and standby automatic paralleling and protection device, active and standby excitation controlling device, machine end multifunctional electric measuring instruments, temperature patrol inspection instrument, temperature protective device in a control panel and has brush excitation three-phase full-controlled bridge; active and standby synchronous device all has microcomputer synchronization and micro electronmechanical gas shielded function; achieving a generating set only needs a control panel to carry out integrated intelligent control; control panel overall structure is the compactest; construction and installation are convenient, save the input of space and fund.
Claims (10)
1. the small hydropower station active and standby changeable control system control panel of integration; it includes cabinet; the top of cabinet is provided with display lamp, measuring instruments, reading instument; the middle part of cabinet is provided with low-voltage protection device PM, main excitation controlling device J4; the bottom of cabinet is provided with generator outlet circuit breaker Q F and sky is opened, it is characterised in that: it is also equipped with the standby protection device GH same period, standby excitation controlling device BL on described cabinet；The front panel of described low-voltage protection device PM includes unit ondoscope, unit voltage display, mains frequency display, line voltage display, panel leds, reset key, menu key, ▲ key, key, acknowledgement key; panel leds is used to refer to the On-off signal of low-voltage protection device PM, output state; light expression effectively; reset key, menu key, ▲ key, key, acknowledgement key have been used for browsing low-voltage protection device PM parameter, the checking of real time data, the amendment of definite value, protection；Low-voltage protection device PM is connected with generating set, possesses Auto Power On speed-regulating function, quasi-simultaneous interconnecting function, rotor fly to escape defencive function, instant over current protection function, in limited time excess current protective function, field loss protection function, underfrequency protection function, carrier current protection function, over-voltage protection function, be automatically adjusted active power, reactive power and communication function；Low-voltage protection device PM possesses RS485 communication interface; the various operation electric datas of hydrogenerator and each switch position signal can be uploaded to host computer by it; low-voltage protection device PM also can be remotely controlled by host computer, remote measurement, remote signalling operation and the amendment etc. of protection definite value, it is achieved a distant place or now monitoring to generator operation.
The small hydropower station the most according to claim 1 active and standby changeable control system control panel of integration; it is characterized in that: the described standby protection device GH same period is connected with electromotor unit, relay; the front panel of the standby protection device GH same period includes numeral method device, 32 display lamps and 4 buttons, button browses for the parameter of the standby protection device GH same period, the checking of real time data, the amendment of definite value, preservation；Having quasi-simultaneous interconnecting capture function, instant over current protection function, in limited time excess current protective function, underfrequency protection function, carrier current protection function, over-voltage protection function, the model of the standby protection device GH same period is ME-31.
The small hydropower station the most according to claim 1 and 2 active and standby changeable control system control panel of integration, it is characterised in that: described main excitation controlling device J4 controls device J4W for having brush excitation controlling device J4Y or brushless excitation；Described have brush excitation controlling device J4Y to use three-phase fully-controlled silicon controlled rectifier, dual power supply, it is applicable to the generating set of excitation voltage 300VDC, below exciting current 500A, the panel having brush excitation controlling device J4Y is made up of " encouraging increasing ", " encourage and subtract " and " display " 3 buttons and charactron, charactron is used for showing unit voltage, frequency, button represents increase excitation voltage " to encourage increasing ", " encourage and subtract " button and represent minimizing excitation voltage, " show " that button is shown to definite value percent, sampled value percent, controlled silicon conducting angle value；Brush excitation controlling device J4Y is had to have burning voltage, prevent the function of unit overvoltage protection, startup over-current protection；Described brushless excitation controls device J4W and uses single-phase half-controlled bridge-type rectification circuit, and output voltage is 0～205VDC, it is adaptable to the generating set of rated excitation voltage 140V, below rated exciting current 20A；Brushless excitation controls device J4W to be had burning voltage, prevents the function of unit overvoltage protection, startup over-current protection；The model having brush excitation controlling device J4Y is ME-F2-J4Y, and it is ME-F3-J4W that brushless excitation controls the model of device J4W.
The small hydropower station the most according to claim 3 active and standby changeable control system control panel of integration, it is characterised in that: described standby excitation controlling device BL has brush excitation controlling device BLY after being or standby brushless excitation controls device BLW；Have brush excitation controlling device BLY after described and use three-phase fully-controlled silicon controlled rectifier, it is adaptable to excitation voltage 300VDC, the generating set of below exciting current 500A；Described standby brushless excitation controls device and uses single-phase half-controlled bridge-type rectification circuit, and output voltage is 0～205VDC, it is adaptable to the generating set of rated excitation voltage 140V, below rated exciting current 20A.
The small hydropower station the most according to claim 4 active and standby changeable control system control panel of integration, it is characterised in that: the panel leds on the front panel of described low-voltage protection device PM include starting shooting display lamp, open big display lamp, close bezel, combined floodgate display lamp, quick-break display lamp, loss of excitation display lamp, fly to escape display lamp, separating brake display lamp, thermal light, cross stream display lamp, lower limit display lamp, excess temperature display lamp, halt indicator, communication display lamp, increase and encourage display lamp, subtract and encourage display lamp.
The small hydropower station the most according to claim 5 active and standby changeable control system control panel of integration, it is characterised in that: described generator outlet circuit breaker Q F selects open frame circuit breaker, and its model is DW45 type.
The small hydropower station the most according to claim 6 active and standby changeable control system control panel of integration, it is characterised in that: described measuring instruments includes machine end measuring instruments PMG, measurement and control of temperature instrument WDY.
The small hydropower station the most according to claim 7 active and standby changeable control system control panel of integration, it is characterised in that: described reading instument includes line voltage table PV1, active power meter PP, power-factor meter PPF, excitation voltage table PV, excitation ammeter PA.
The small hydropower station the most according to claim 8 active and standby changeable control system control panel of integration, it is characterised in that: the upper part of described cabinet is provided with electric network source display lamp HR1, circuit breaker position display lamp HR2, mechanism energy storage display lamp HW, alarm indicator HAB, field loss protection display lamp HR3, oil pump operating display lamp HR4.
The small hydropower station the most according to claim 9 active and standby changeable control system control panel of integration, it is characterised in that: described sky is opened and is included that grid side on and off switch QF1, generator side on and off switch QF2, Oil pump electrical machinery control switch QF3, low-voltage variation controls device PM on and off switch QF4, excitation unit J4 on and off switch QF5, generator outlet breaker control switch QF6, temperature control instrument switch QF7, machine end measuring instruments on and off switch QF8, degaussing switch QF9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620197144.5U CN205453286U (en) | 2016-03-15 | 2016-03-15 | But small -size power station integration activestandby switching control system control panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620197144.5U CN205453286U (en) | 2016-03-15 | 2016-03-15 | But small -size power station integration activestandby switching control system control panel |
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| CN205453286U true CN205453286U (en) | 2016-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620197144.5U Expired - Fee Related CN205453286U (en) | 2016-03-15 | 2016-03-15 | But small -size power station integration activestandby switching control system control panel |
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| CN (1) | CN205453286U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107231108A (en) * | 2017-05-23 | 2017-10-03 | 辽宁红沿河核电有限公司 | A kind of generator of nuclear power station excitation regulation device and method |
| CN109586404A (en) * | 2017-09-28 | 2019-04-05 | 武汉翌鑫电气有限责任公司 | Generator integrated synthesis control system |
| CN112650117A (en) * | 2020-12-22 | 2021-04-13 | 哈尔滨广瀚燃气轮机有限公司 | Compact type vehicle-mounted gas turbine electric control system |
| CN113014166A (en) * | 2021-03-12 | 2021-06-22 | 江苏瑞昌哥尔德发电设备股份有限公司 | Generator set centralized control method and system and generator set cabinet |
-
2016
- 2016-03-15 CN CN201620197144.5U patent/CN205453286U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107231108A (en) * | 2017-05-23 | 2017-10-03 | 辽宁红沿河核电有限公司 | A kind of generator of nuclear power station excitation regulation device and method |
| CN107231108B (en) * | 2017-05-23 | 2019-09-27 | 辽宁红沿河核电有限公司 | A kind of generator of nuclear power station excitation regulation device and method |
| CN109586404A (en) * | 2017-09-28 | 2019-04-05 | 武汉翌鑫电气有限责任公司 | Generator integrated synthesis control system |
| CN112650117A (en) * | 2020-12-22 | 2021-04-13 | 哈尔滨广瀚燃气轮机有限公司 | Compact type vehicle-mounted gas turbine electric control system |
| CN113014166A (en) * | 2021-03-12 | 2021-06-22 | 江苏瑞昌哥尔德发电设备股份有限公司 | Generator set centralized control method and system and generator set cabinet |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 |