CN204012724U - A kind of static dynamic no-power compensation device of self adaptation governing response speed - Google Patents
A kind of static dynamic no-power compensation device of self adaptation governing response speed Download PDFInfo
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- CN204012724U CN204012724U CN201420327592.3U CN201420327592U CN204012724U CN 204012724 U CN204012724 U CN 204012724U CN 201420327592 U CN201420327592 U CN 201420327592U CN 204012724 U CN204012724 U CN 204012724U
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- 230000003068 static effect Effects 0.000 title claims abstract description 30
- 230000006978 adaptation Effects 0.000 title claims abstract description 25
- 230000005284 excitation Effects 0.000 claims abstract description 84
- 238000005070 sampling Methods 0.000 claims description 7
- 230000005347 demagnetization Effects 0.000 claims description 5
- 238000011084 recovery Methods 0.000 claims description 3
- 238000005316 response function Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000008447 perception Effects 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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Abstract
The utility model relates to electric power system Servomechanism field, is specially a kind of static dynamic no-power compensation device of self adaptation governing response speed.The utility model provides a kind of static dynamic no-power compensation device of self adaptation governing response speed, can effectively solve the slow technical problem of static dynamic no-power compensation device response speed of existing self adaptation governing response speed, and not increase extra power consumption.The utlity model has according to system disturbance level, the function of self adaptation governing response speed, thus the static dynamic no-power compensation device of having realized self adaptation governing response speed is not in the situation that increasing extra power consumption, the quick response to grid disturbance.Avoided electrical network to produce frequent impact simultaneously.The increase quick-response excitation unit (13) of the utility model novelty in quick-response excitation case (10), thus realize the quick response function of the static dynamic no-power compensation device of this self adaptation governing response speed.
Description
Technical field
The utility model relates to electric power system Servomechanism field, is specially a kind of static dynamic no-power compensation device of self adaptation governing response speed.
Background technology
Magnetic valve type controllable reactor type static dynamic no-power compensation device, can be according to System Reactive Power, change in voltage level, automatically adjusting self perception or capacitive exerts oneself, to the reactive power of its place electrical network and busbar voltage is controlled and stable, thereby improve the electrical network quality of power supply, improve power factor.But restricted by magnetic valve type controllable reactor type static dynamic no-power compensation apparatus structure principle, it shows the slow shortcoming of response speed for System Reactive Power, voltage disturbance, causes it in electric power system, not to be applied.The scheme of existing raising magnetic valve type controllable reactor type static dynamic no-power compensation device response speed mainly contains following two kinds: the one, and the static dynamic no-power compensation device excitation system capacity of raising self adaptation governing response speed, the 2nd, increase capacity reactance quick-response excitation loop.Through on-the-spot test, above-mentioned two schemes all cannot meet for wind energy turbine set configuration dynamic reactive compensation device and must respond fast voltage fluctuation, and the response time is no more than the specification requirement of 30 milliseconds.
Utility model content
(1) technical problem that will solve
The utility model provides a kind of magnetic valve type controllable reactor type static dynamic no-power compensation device of self adaptation governing response speed, can effectively solve the slow technical problem of existing magnetic valve type controllable reactor type static dynamic no-power compensation device response speed, and not increase extra power consumption.
Technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of magnetic valve type controllable reactor type static dynamic no-power compensation device of self adaptation governing response speed, and the magnetic valve type controllable reactor type static dynamic no-power compensation device of described self adaptation governing response speed comprises: high-voltage side bus 1, low-pressure side bus 2, magnetic valve type controllable reactor controller 9, magnetic valve type controllable reactor quick-response excitation case 10 and magnetic valve type controllable reactor reactor 11; On described high-voltage side bus 1, be electrically connected with respectively transformer 5 and high-voltage side bus voltage transformer 3; Described transformer 5 is provided with transformer current instrument transformer 4; The secondary side of described transformer current instrument transformer 4 is connected with the system power sampling end of described magnetic valve type controllable reactor controller 9; The secondary side of described high-voltage side bus voltage transformer 3 is connected with the system voltage sampling end of described magnetic valve type controllable reactor controller 9; On described low-pressure side bus 2, be electrically connected with respectively excitation transformer 6, low-pressure side voltage transformer 7 and magnetic valve type controllable reactor 11; Described magnetic valve type controllable reactor 11 is provided with magnetic valve type controllable reactor current transformer 8; The secondary side of described magnetic valve type controllable reactor current transformer 8 is connected with the magnetic valve type controllable reactor current sample end of described magnetic valve type controllable reactor controller 9; The secondary side of described low-pressure side voltage transformer 7 is connected with the magnetic valve type controllable reactor voltage sample end of described magnetic valve type controllable reactor controller 9; The secondary side of described excitation transformer 6 is connected with the field power supply end of described magnetic valve type controllable reactor quick-response excitation case 10; The control signal output of described magnetic valve type controllable reactor controller 9 is connected with the control signal input of described magnetic valve type controllable reactor quick-response excitation case 10; The DC excitation output of described magnetic valve type controllable reactor quick-response excitation case 10 is connected with the DC excitation input of described magnetic valve type controllable reactor 11.
Preferably, described magnetic valve type controllable reactor quick-response excitation case 10 is by common excitation unit 12, quick-response excitation unit 13, demagnetize unit 17 and alternating voltage input unit 18 forms fast; The voltage output end of described alternating voltage input unit 18 is connected with the voltage input end of described quick demagnetization unit 17; The voltage output end of described quick demagnetization unit 17 is connected with the voltage input end of quick-response excitation unit 13 with described common excitation unit 12 respectively; Described common excitation unit 12 is by two thyristors 14, two diodes 15 and the bridge rectifiers that fast recovery type fly-wheel diode 16 forms; Described quick-response excitation unit 13 is the bridge rectifier being comprised of four thyristors; The conventional DC excitation output of described common excitation unit 12 is connected with the fast-speed direct current excitation output of described quick-response excitation unit 13, forms the DC excitation output of described magnetic valve type controllable reactor quick-response excitation case 10.
(3) beneficial effect
The utility model provides a kind of static dynamic no-power compensation device of self adaptation governing response speed, can effectively solve the slow technical problem of static dynamic no-power compensation device response speed of existing self adaptation governing response speed, and not increase extra power consumption.The utlity model has can be according to system disturbance level, the function of self adaptation governing response speed, thus the static dynamic no-power compensation device of having realized self adaptation governing response speed is not in the situation that increasing extra power consumption, the quick response to grid disturbance.Avoided electrical network to produce frequent impact simultaneously.The increase quick-response excitation unit 13 of the utility model novelty in quick-response excitation case 10, thus realize the quick response function of the static dynamic no-power compensation device of this self adaptation governing response speed.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is according to the apparatus structure schematic diagram of an embodiment of static dynamic no-power compensation device of a kind of self adaptation governing response of the utility model speed;
Fig. 2 is according to the structural representation of the magnetic valve type controllable reactor quick-response excitation case of an embodiment of static dynamic no-power compensation device of a kind of self adaptation governing response of the utility model speed.
Embodiment
Below in conjunction with Figure of description and embodiment, embodiment of the present utility model is described in further detail.Following examples are only for the utility model is described, but can not be used for limiting scope of the present utility model.
Contrasting accompanying drawing is below elaborated to the utility model:
Shown in Fig. 1, a magnetic valve type controllable reactor type static dynamic no-power compensation device for self adaptation governing response speed, comprises high-voltage side bus 1, low-pressure side bus 2, magnetic valve type controllable reactor controller 9, magnetic valve type controllable reactor quick-response excitation case 10 and magnetic valve type controllable reactor 11.On high-voltage side bus 1, be electrically connected with respectively transformer 5 and high-voltage side bus voltage transformer 3, transformer 5 is provided with transformer current instrument transformer 4, the secondary side of transformer current instrument transformer 4 is connected with the system power sampling end of magnetic valve type controllable reactor controller 9, and the secondary side of high-voltage side bus voltage transformer 3 is connected with the system voltage sampling end of magnetic valve type controllable reactor controller 9.On low-pressure side bus 2, be electrically connected with respectively excitation transformer 6, low-pressure side voltage transformer 7 and magnetic valve type controllable reactor 11, magnetic valve type controllable reactor 11 is provided with magnetic valve type controllable reactor current transformer 8, the secondary side of magnetic valve type controllable reactor current transformer 8 is connected with the magnetic valve type controllable reactor current sample end of magnetic valve type controllable reactor controller 9, and the secondary side of low-pressure side voltage transformer 7 is connected with the magnetic valve type controllable reactor voltage sample end of magnetic valve type controllable reactor controller 9.The secondary side of excitation transformer 6 is connected with the field power supply end of magnetic valve type controllable reactor quick-response excitation case 10.The control signal output of magnetic valve type controllable reactor controller 9 is connected with the control signal input of magnetic valve type controllable reactor quick-response excitation case 10.The DC excitation output of magnetic valve type controllable reactor quick-response excitation case 10 is connected with the DC excitation input of magnetic valve type controllable reactor 11.
Shown in Fig. 2, magnetic valve type controllable reactor quick-response excitation case 10 is by common excitation unit 12, quick-response excitation unit 13, demagnetize unit 17 and alternating voltage input unit 18 forms fast; The voltage output end of alternating voltage input unit 18 is connected with the voltage input end of the unit 17 that demagnetizes fast; The voltage output end of demagnetization unit 17 is connected with the voltage input end of common excitation unit 12, quick-response excitation unit 13 respectively fast; Common excitation unit 12 forms bridge rectifier by two thyristors 14, two diodes 15, a fast recovery type fly-wheel diode 16, and quick-response excitation unit 13 forms bridge rectifier by four thyristors; The conventional DC excitation output of common excitation unit 12 is connected with the fast-speed direct current excitation output of quick-response excitation unit 13, forms the DC excitation output of magnetic valve type controllable reactor quick-response excitation case 10.
In the utility model can self adaptation governing response speed magnetic valve type controllable reactor type static dynamic no-power compensation device by following four parts, coordinate and realize:
Excitation transformer 6: for field power supply being provided to quick-response excitation case 10.
Quick-response excitation case 10: for to magnetic valve type controllable reactor 11 quick-response excitations.The increase quick-response excitation unit 13 of novelty in quick-response excitation case 10, thus realize the quick response function of this magnetic valve type controllable reactor type static dynamic no-power compensation device.
Magnetic valve type controllable reactor controller 9: for controlling reactive power output and the response speed of magnetic valve type controllable reactor 11.Magnetic valve type controllable reactor controller 9 is by the sampling analysis to electrical network actual condition, adjust the thyristor angle of flow of excitation unit in magnetic valve type controllable reactor quick-response excitation case 10, control magnetic valve type controllable reactor 11 reactive power outputs, to meet electrical network demand.When magnetic valve type controllable reactor controller 9 detects voltage ripple of power network and idle variation hour, select common excitation unit 12 in magnetic valve type controllable reactor quick-response excitation case 10 to carry out rectification output, now the magnetic valve type controllable reactor type static dynamic no-power compensation device device of faster exciter is operated under common excitation mode; When the 9 detection of grid voltage fluctuations of magnetic valve type controllable reactor controller and idle variation are when larger, select quick-response excitation unit 13 in magnetic valve type controllable reactor quick-response excitation case 10 to carry out rectification output, now the magnetic valve type controllable reactor type static dynamic no-power compensation device device of faster exciter is operated under quick-response excitation pattern.
Magnetic valve type controllable reactor 11: for absorption system reactive power, improve the electrical network quality of power supply, improve system power factor.
Above execution mode is only for the utility model is described, but not to restriction of the present utility model.Although the utility model is had been described in detail with reference to embodiment, those of ordinary skill in the art is to be understood that, the technical solution of the utility model is carried out to various combinations, revises or is equal to replacement, do not depart from the spirit and scope of technical solutions of the utility model, all should be encompassed in the middle of claim scope of the present utility model.
Claims (2)
1. the static dynamic no-power compensation device of a self adaptation governing response speed, it is characterized in that, the static dynamic no-power compensation device of described self adaptation governing response speed comprises: high-voltage side bus (1), low-pressure side bus (2), magnetic valve type controllable reactor controller (9), magnetic valve type controllable reactor quick-response excitation case (10) and magnetic valve type controllable reactor reactor (11); On described high-voltage side bus (1), be electrically connected with respectively transformer (5) and high-voltage side bus voltage transformer (3); Described transformer (5) is provided with transformer current instrument transformer (4); The secondary side of described transformer current instrument transformer (4) is connected with the system power sampling end of described magnetic valve type controllable reactor controller (9); The secondary side of described high-voltage side bus voltage transformer (3) is connected with the system voltage sampling end of described magnetic valve type controllable reactor controller (9); On described low-pressure side bus (2), be electrically connected with respectively excitation transformer (6), low-pressure side voltage transformer (7) and magnetic valve type controllable reactor reactor (11); Described magnetic valve type controllable reactor reactor (11) is provided with magnetic valve type controllable reactor current transformer (8); The secondary side of described magnetic valve type controllable reactor current transformer (8) is connected with the magnetic valve type controllable reactor current sample end of described magnetic valve type controllable reactor controller (9); The secondary side of described low-pressure side voltage transformer (7) is connected with the magnetic valve type controllable reactor voltage sample end of described magnetic valve type controllable reactor controller (9); The secondary side of described excitation transformer (6) is connected with the field power supply end of described magnetic valve type controllable reactor quick-response excitation case (10); The control signal output of described magnetic valve type controllable reactor controller (9) is connected with the control signal input of described magnetic valve type controllable reactor quick-response excitation case (10); The DC excitation output of described magnetic valve type controllable reactor quick-response excitation case (10) is connected with the DC excitation input of described magnetic valve type controllable reactor reactor (11).
2. the static dynamic no-power compensation device of a kind of self adaptation governing response speed according to claim 1, it is characterized in that, described magnetic valve type controllable reactor quick-response excitation case (10) is by common excitation unit (12), quick-response excitation unit (13), demagnetize unit (17) and alternating voltage input unit (18) forms fast; The voltage output end of described alternating voltage input unit (18) is connected with the voltage input end of described quick demagnetization unit (17); The voltage output end of described quick demagnetization unit (17) is connected with the voltage input end of quick-response excitation unit (13) with described common excitation unit (12) respectively; Described common excitation unit (12) is the bridge rectifier being comprised of two thyristors (14), two diodes (15) and a fast recovery type fly-wheel diode (16); Described quick-response excitation unit (13) is the bridge rectifier being comprised of four thyristors; The conventional DC excitation output of described common excitation unit (12) is connected with the fast-speed direct current excitation output of described quick-response excitation unit (13), forms the DC excitation output of described magnetic valve type controllable reactor quick-response excitation case (10).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420327592.3U CN204012724U (en) | 2014-06-19 | 2014-06-19 | A kind of static dynamic no-power compensation device of self adaptation governing response speed |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420327592.3U CN204012724U (en) | 2014-06-19 | 2014-06-19 | A kind of static dynamic no-power compensation device of self adaptation governing response speed |
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| CN204012724U true CN204012724U (en) | 2014-12-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104466973A (en) * | 2014-12-23 | 2015-03-25 | 国家电网公司 | Automatic voltage regulating device |
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2014
- 2014-06-19 CN CN201420327592.3U patent/CN204012724U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104466973A (en) * | 2014-12-23 | 2015-03-25 | 国家电网公司 | Automatic voltage regulating device |
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Granted publication date: 20141210 |
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| CX01 | Expiry of patent term |