CN102810873A - Stable power supply equipment for series compensation device and control and protection system thereof - Google Patents
Stable power supply equipment for series compensation device and control and protection system thereof Download PDFInfo
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- CN102810873A CN102810873A CN2012103101768A CN201210310176A CN102810873A CN 102810873 A CN102810873 A CN 102810873A CN 2012103101768 A CN2012103101768 A CN 2012103101768A CN 201210310176 A CN201210310176 A CN 201210310176A CN 102810873 A CN102810873 A CN 102810873A
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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 invention relates to stable power supply equipment for a series compensation device and a control and protection system thereof. The stable power supply equipment comprises a potentiometer, which is provided with a high-voltage terminal and a low-voltage terminal; the potentiometer comprises a first capacitor C1 and a second capacitor C2 which are connected in series, a series connection end of the first capacitor C1 and the second capacitor C2 is connected with a split-voltage derivation terminal in an external manner, the other end of the second capacitor C2 is electrically connected with an insulation platform, the other end of the first capacitor C1 is connected with the ground through the low-voltage terminal, and the split-voltage derivation terminal supplies electricity for the control and protection system. By the adoption of the stable power supply equipment, the technical problem of an over-voltage protection gap caused by unstable supply voltage or inadequate charging time of the control and protection system is solved, and by the adoption of the potentiometer for power supply, a stable power supply of the series compensation device and the control and protection system of the series compensation device is realized.
Description
Technical field
The invention belongs to the electric power system field, be specifically related to the stable power-supplying equipment of the control protection system in a kind of series compensation device and the series compensation device.
Background technology
The control protection system of existing series compensation device when series compensation device just drops into, because supply power voltage is unstable or the control protection system does not have enough charging intervals, causes the neutral gear of overvoltage protection by the power supply of capacitor group easily, becomes accident potential.
Summary of the invention
The object of the invention provides the stable power-supplying equipment of a kind of series compensation device and control protection system thereof, and it adopts the voltage divider power supply, has realized the stable power-supplying of series compensation device and series compensation device control protection system.
Technical solution of the present invention is:
A kind of series compensation device, comprise insulated platform, be arranged on insulated platform below many insulated post, be arranged on capacitor group, control protection system on the insulated platform, said insulated platform connects high voltage source,
Its special character is:
Also comprise voltage divider, said voltage divider is provided with HV Terminal and low-voltage terminal; Said voltage divider comprises first capacitor C 1 and second capacitor C 2 of series connection; External dividing potential drop leading-out terminal is held in the series connection of said first capacitor C 1 and second capacitor C 2; The other end of said second capacitor C 2 is electrically connected through HV Terminal and insulated platform and connects; The other end of said first capacitor C 1 is through low-voltage terminal ground connection, and said dividing potential drop leading-out terminal is to the power supply of control protection system.
Be in series with reactor L between the series connection end of above-mentioned first capacitor C 1 and second capacitor C 2 and the dividing potential drop leading-out terminal.
Above-mentioned reactor L sealing is arranged in the HV Terminal of voltage divider, draws through insulating sleeve when the lead between the said reactor L and first capacitor C 1 passes HV Terminal.
A kind of stable power-supplying equipment of series compensation device control protection system,
Its special character is: comprise voltage divider, said voltage divider is provided with HV Terminal and low-voltage terminal;
Said voltage divider comprises first capacitor C 1 and second capacitor C 2 of series connection; External dividing potential drop leading-out terminal is held in the series connection of said first capacitor C 1 and second capacitor C 2; The other end of said second capacitor C 2 is electrically connected through HV Terminal and insulated platform and connects; The other end of said first capacitor C 1 is through low-voltage terminal ground connection, and said dividing potential drop leading-out terminal is to the power supply of control protection system.
Be in series with reactor L between the series connection end of above-mentioned first capacitor C 1 and second capacitor C 2 and the dividing potential drop leading-out terminal.
Above-mentioned reactor L sealing is arranged in the HV Terminal of voltage divider, draws through insulating sleeve when the lead between the said reactor L and first capacitor C 1 passes HV Terminal.
Advantage of the present invention:
1, series compensation device provided by the invention; The stable power-supplying equipment of its control protection system inserts between the insulated platform and ground of series compensation device; After insulated platform is charged; Just can give to be comprised that the control protection system of ignition gap shifts to an earlier date energy storage, thereby can get rid of string and mend device and just dropped into the time, owing to control the accident potential that protection system does not have the neutral gear of the overvoltage protection that enough energy storage times cause.
2, series compensation device provided by the invention; The stable power-supplying equipment of its control protection system inserts between the insulated platform and ground of series compensation device, has solved when on capacitor, getting ability, because the spread of voltage on the capacitor; Brownout during underloading; Overtension during fully loaded or fault and the unstable problem of control protection system power supply that causes makes protection more reliable and more stable can reduce the requirement of relevant device insulation level simultaneously.
3, the stable power-supplying equipment of series compensation device control protection system of the present invention, the voltage divider upper end is a high-pressure side, is low-pressure end below, from the high-pressure side dividing potential drop, gets the needs of energy to adapt to high-pressure side, realizes the isolation with low signal naturally.
4, the stable power-supplying equipment of series compensation device control protection system of the present invention seals in reactor to voltage divider, reduces or offset the internal resistance of voltage divider, realizes quick charge, and is less like the needs energy, also can directly get ability through voltage divider without reactor.
Description of drawings
Fig. 1 controls the stable power-supplying equipment outline drawing of protection system for the present invention;
Fig. 2 controls the stable power-supplying circuitry schematic diagram of protection system for the present invention;
Fig. 3 is a voltage divider internal structure sketch map of the present invention;
Fig. 4 is the structural representation of series compensation device of the present invention;
Reference numeral: 1-capacitor group, 2-control protection system, 3-insulation column, 4-voltage divider, 41-HV Terminal, 42-low-voltage terminal, 43-dividing potential drop leading-out terminal, 44-insulating sleeve, 5-lightning arrester, 6-by-pass switch, 7-insulated platform.
Embodiment
Like Fig. 1, shown in Figure 2; The stable power-supplying equipment of series compensation device control protection system comprises voltage divider 4, and the HV Terminal 41 of voltage divider is electrically connected with insulated platform 7; Its low-voltage terminal 42 ground connection; Voltage divider comprises that the series connection of first capacitor C 1 and second capacitor C, 2, the first capacitor C 1 and second capacitor C 2 of series connection holds the other end of external dividing potential drop leading-out terminal 43, the second capacitor C 2 to be electrically connected through HV Terminal 41 and insulated platform 7; The other end of first capacitor C 1 is through low-voltage terminal ground connection, and dividing potential drop leading-out terminal 43 is connected with control protection system 2.
The voltage divider upper end is a HV Terminal, is low-voltage terminal below, and the dividing potential drop from top is to adapt to the needs of high pressure side-draw energy; Naturally realize isolation with low signal.
Between the series connection end of first capacitor C 1 and second capacitor C 2 and dividing potential drop leading-out terminal, be in series with reactor L, reduce or offset the internal resistance of voltage divider, realize quick charge, less like the needs energy, also can directly get ability through voltage divider without reactor.
Accordingly; Existing series compensation device only need be provided with voltage divider of the present invention below insulated platform; HV Terminal with voltage divider is electrically connected with insulated platform again; Low-voltage terminal ground connection, dividing potential drop leading-out terminal connect the control protection system and get final product, and need not carry out other improvement to existing series compensation device.
Claims (6)
1. series compensation device, comprise insulated platform, be arranged on the insulated platform below many insulated post, be arranged on capacitor group, control protection system on the insulated platform, said insulated platform connects high voltage source,
It is characterized in that:
Also comprise voltage divider, said voltage divider is provided with HV Terminal and low-voltage terminal; Said voltage divider comprises first capacitor C 1 and second capacitor C 2 of series connection; External dividing potential drop leading-out terminal is held in the series connection of said first capacitor C 1 and second capacitor C 2; The other end of said second capacitor C 2 is electrically connected through HV Terminal and insulated platform and connects; The other end of said first capacitor C 1 is through low-voltage terminal ground connection, and said dividing potential drop leading-out terminal is to the power supply of control protection system.
2. series compensation device according to claim 1 is characterized in that: be in series with reactor L between the series connection end of said first capacitor C 1 and second capacitor C 2 and the dividing potential drop leading-out terminal.
3. series compensation device according to claim 2 is characterized in that: said reactor L sealing is arranged in the HV Terminal of voltage divider, draws through insulating sleeve when the lead between the said reactor L and first capacitor C 1 passes HV Terminal.
4. the stable power-supplying equipment of series compensation device control protection system,
It is characterized in that:
Comprise voltage divider, said voltage divider is provided with HV Terminal and low-voltage terminal;
Said voltage divider comprises first capacitor C 1 and second capacitor C 2 of series connection; External dividing potential drop leading-out terminal is held in the series connection of said first capacitor C 1 and second capacitor C 2; The other end of said second capacitor C 2 is electrically connected through HV Terminal and insulated platform and connects; The other end of said first capacitor C 1 is through low-voltage terminal ground connection, and said dividing potential drop leading-out terminal is to the power supply of control protection system.
5. the stable power-supplying equipment of series compensation device control protection system according to claim 4 is characterized in that: be in series with reactor L between the series connection end of said first capacitor C 1 and second capacitor C 2 and the dividing potential drop leading-out terminal.
6. the stable power-supplying equipment of series compensation device control protection system according to claim 5; It is characterized in that: said reactor L sealing is arranged in the HV Terminal of voltage divider, draws through insulating sleeve when the lead between the said reactor L and first capacitor C 1 passes HV Terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103101768A CN102810873A (en) | 2012-08-28 | 2012-08-28 | Stable power supply equipment for series compensation device and control and protection system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103101768A CN102810873A (en) | 2012-08-28 | 2012-08-28 | Stable power supply equipment for series compensation device and control and protection system thereof |
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| CN102810873A true CN102810873A (en) | 2012-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012103101768A Pending CN102810873A (en) | 2012-08-28 | 2012-08-28 | Stable power supply equipment for series compensation device and control and protection system thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105703635A (en) * | 2016-03-30 | 2016-06-22 | 西安兴汇电力科技有限公司 | Integrated high-voltage energy-obtaining power supply and assembling and installing method therefor |
| CN107946057A (en) * | 2017-12-13 | 2018-04-20 | 苏州华电电气股份有限公司 | Air reactor and tandem air reactor |
Citations (5)
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| CN1349098A (en) * | 2001-11-08 | 2002-05-15 | 周友东 | Voltage sensor and its application |
| CN101833043A (en) * | 2010-03-30 | 2010-09-15 | 广元电业局 | Method for measuring electric capacity and dielectric loss of capacitance type voltage transformer |
| CN201946983U (en) * | 2010-11-16 | 2011-08-24 | 中国电力工程顾问集团西北电力设计院 | Series compensating system adopting gantry framework |
| CN102354598A (en) * | 2011-06-30 | 2012-02-15 | 中国西电电气股份有限公司 | Capacitive divider with medium voltage positioned at high-voltage side |
| CN202797993U (en) * | 2012-08-28 | 2013-03-13 | 西安布伦帕电力无功补偿技术有限公司 | Series-connection compensation device and stable power supply device of control protection system of series-connection compensation device |
-
2012
- 2012-08-28 CN CN2012103101768A patent/CN102810873A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1349098A (en) * | 2001-11-08 | 2002-05-15 | 周友东 | Voltage sensor and its application |
| CN101833043A (en) * | 2010-03-30 | 2010-09-15 | 广元电业局 | Method for measuring electric capacity and dielectric loss of capacitance type voltage transformer |
| CN201946983U (en) * | 2010-11-16 | 2011-08-24 | 中国电力工程顾问集团西北电力设计院 | Series compensating system adopting gantry framework |
| CN102354598A (en) * | 2011-06-30 | 2012-02-15 | 中国西电电气股份有限公司 | Capacitive divider with medium voltage positioned at high-voltage side |
| CN202797993U (en) * | 2012-08-28 | 2013-03-13 | 西安布伦帕电力无功补偿技术有限公司 | Series-connection compensation device and stable power supply device of control protection system of series-connection compensation device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105703635A (en) * | 2016-03-30 | 2016-06-22 | 西安兴汇电力科技有限公司 | Integrated high-voltage energy-obtaining power supply and assembling and installing method therefor |
| CN105703635B (en) * | 2016-03-30 | 2017-05-31 | 西安兴汇电力科技有限公司 | Integrated high voltage draw-out power supply and its assembling and installation method |
| CN107946057A (en) * | 2017-12-13 | 2018-04-20 | 苏州华电电气股份有限公司 | Air reactor and tandem air reactor |
| CN107946057B (en) * | 2017-12-13 | 2024-07-23 | 苏州华电电气股份有限公司 | Hollow reactor and series hollow reactor |
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Application publication date: 20121205 |