CN204030605U - A kind of local powerless control system based on fault quick-switching - Google Patents
A kind of local powerless control system based on fault quick-switching Download PDFInfo
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- CN204030605U CN204030605U CN201420284843.4U CN201420284843U CN204030605U CN 204030605 U CN204030605 U CN 204030605U CN 201420284843 U CN201420284843 U CN 201420284843U CN 204030605 U CN204030605 U CN 204030605U
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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
Abstract
The utility model is a kind of local powerless control system based on fault quick-switching.Include current sensor, voltage sensor, controller, communication module, can quick-switching capacitor, can reactor, the first switches set, the second switch group of quick-switching, current sensor and voltage sensor are connected with controller; First switches set and second switch group connect respectively can quick-switching capacitor and can quick-switching reactor, and one end of communication module is connected with controller, and the other end of communication module is connected with the first switches set and second switch group.The utility model by can quick-switching capacitor and the reactor of quick-switching can provide fast reactive support, the voltage stability of raising system under fault, the utility model is a kind of convenient and practical local powerless control system based on fault quick-switching being applicable to power transmission network.
Description
Technical field
The utility model is a kind of local powerless control system based on fault quick-switching, especially be applied to the local powerless control system based on fault quick-switching capacitor, reactor of power transmission network, belong to the innovative technology of the local powerless control system based on fault quick-switching.
Background technology
Power system voltage and idle control work are one of the important process guaranteeing power system security, stable, economical operation, are subject to electric power enterprise always and pay much attention to.The regulation and control of reactive voltage should consider the voltage stability of system, consider the economy of system again, its object is to ensure electrical network everywhere voltage control within acceptability limit, the level of effective raising electric power netting safe running, reduce reactive loss, increase economic benefit, and providing high-quality electric energy for Electricity customers, its basic principle is layering, the subregion in-situ balancing of reactive power.
At present, based on the powerless control system mainly voltage and reactive power integrated automatic control system (VQC) of local information.In brief, VQC, by the automatics of the transformer station of institute's management and control, carries out the voltage of our station according to system operation mode and reactive power regulates automatically, and guaranteed load side bus voltage is within prescribed limit, and inlet wire power factor is high as far as possible.The control principle of VQC mainly contains 9 domain tyeories, theoretical, introduce main transformer high voltage side current parameter on 9 domain tyeory bases the dynamic limitation of 17 district figure is theoretical; Control device mainly on-load transformer tap changer adjustment and the capacitor switching of VQC.Current, VQC is just for the control in systematic steady state situation, and the control measure not under the system failure, the time delay of action of VQC is generally at about 30 seconds.
Summary of the invention
The purpose of this utility model is consider the problems referred to above and provide a kind of local powerless control system based on fault quick-switching improving the voltage stability of system under fault.The utility model is reasonable in design, convenient and practical.
The technical solution of the utility model is: the local powerless control system based on fault quick-switching of the present utility model, include current sensor, voltage sensor, controller, communication module, can quick-switching capacitor, can reactor, the first switches set, the second switch group of quick-switching, current sensor and voltage sensor are connected with controller; First switches set and second switch group connect respectively can quick-switching capacitor and can quick-switching reactor, and one end of communication module is connected with controller, and the other end of communication module is connected with the first switches set and second switch group.
The beneficial effects of the utility model are: the utility model gathers current signal and the voltage signal of electrical network place website by current sensor and voltage sensor, and corresponding result is sent to controller, controller exports control signal, and by communication module, control signal is sent to the first switches set and second switch group; First switches set and second switch group are cut-off according to the control signal received or are closed, when website breaks down, the utility model by configuration in station can quick-switching capacitor and the reactor of quick-switching can provide fast reactive support, improve the voltage stability of system under fault.The utility model is a kind of convenient and practical local powerless control system based on fault quick-switching being applicable to power transmission network.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model.
Embodiment
Embodiment:
Schematic diagram of the present utility model as shown in Figure 1, local powerless control system based on fault quick-switching of the present utility model, include current sensor 1, voltage sensor 2, controller 7, communication module 8, can quick-switching capacitor 11, can reactor 12, first switches set 9, the second switch group 10 of quick-switching, current sensor 1 and voltage sensor 2 are connected with controller 7; First switches set 9 and second switch group 10 connect respectively can quick-switching capacitor 11 and can quick-switching reactor 12, and one end of communication module 8 is connected with controller 7, and the other end of communication module is connected with the first switches set 9 and second switch group 10.
In the present embodiment, above-mentioned controller 7 comprises A/D converter 3, dsp processor 4, keyboard and mouse 5 and display 6, and A/D converter 3 is connected with voltage sensor 2 and current sensor 1; A/D converter 3 is connected with dsp processor 4; Keyboard and mouse 5, display 6 are connected with dsp processor 4.A/D converter 3 is converted to digital current signal the current analog signal that current sensor 1 passes over, and is sent to dsp processor 4; A/D converter 3 is converted to digital voltage signal the voltage analog signal that voltage sensor 2 passes over, and is sent to dsp processor 4; Dsp processor 4 judges whether place website breaks down, if break down, then exports control signal.
In the present embodiment, above-mentioned dsp processor 4 adopts model to be the chip of TMS320VC5509, and above-mentioned A/D converter 3 adopts model to be the chip of MAX11046.
Operation principle of the present utility model is as follows: during work, and current sensor 1 gathers the current signal of electrical network, and corresponding result is sent to controller 7; Voltage sensor 2 gathers the voltage signal of place website outlet, and corresponding result is sent to controller 7; Controller 7 exports control signal, and by communication module 8, control signal is sent to the first described switches set 9 and second switch group 10; First switches set 9 and second switch group 10 are cut-off according to the control signal received or are closed, and current state is sent to controller 7 by communication module 8.
Above embodiment is only for illustration of the utility model, but not to restriction of the present utility model, when not departing from spirit and scope of the present utility model, various conversion or modification can also be made, therefore all equivalent technical schemes also should belong to category of the present utility model, should be limited by each claim.
Claims (4)
1. the local powerless control system based on fault quick-switching, it is characterized in that including current sensor, voltage sensor, controller, communication module, can quick-switching capacitor, can reactor, the first switches set, the second switch group of quick-switching, current sensor and voltage sensor are connected with controller; First switches set and second switch group connect respectively can quick-switching capacitor and can quick-switching reactor, and one end of communication module is connected with controller, and the other end of communication module is connected with the first switches set and second switch group.
2. the local powerless control system based on fault quick-switching according to claim 1, it is characterized in that above-mentioned controller comprises A/D converter, dsp processor, keyboard and mouse and display, A/D converter is connected with voltage sensor and current sensor; A/D converter is connected with dsp processor; Keyboard and mouse, display are connected with dsp processor.
3. the local powerless control system based on fault quick-switching according to claim 2, is characterized in that above-mentioned dsp processor adopts model to be the chip of TMS320VC5509.
4. the local powerless control system based on fault quick-switching according to claim 2, is characterized in that above-mentioned A/D converter adopts model to be the chip of MAX11046.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420284843.4U CN204030605U (en) | 2014-05-30 | 2014-05-30 | A kind of local powerless control system based on fault quick-switching |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420284843.4U CN204030605U (en) | 2014-05-30 | 2014-05-30 | A kind of local powerless control system based on fault quick-switching |
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| CN204030605U true CN204030605U (en) | 2014-12-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105162131A (en) * | 2015-07-27 | 2015-12-16 | 南方电网科学研究院有限责任公司 | Configuration method and system for rapid switching capacitors |
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2014
- 2014-05-30 CN CN201420284843.4U patent/CN204030605U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105162131A (en) * | 2015-07-27 | 2015-12-16 | 南方电网科学研究院有限责任公司 | Configuration method and system for rapid switching capacitors |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |