CN201498994U - Intelligent high-voltage pole top reactive power compensation device - Google Patents
Intelligent high-voltage pole top reactive power compensation device Download PDFInfo
- Publication number
- CN201498994U CN201498994U CN2009202357751U CN200920235775U CN201498994U CN 201498994 U CN201498994 U CN 201498994U CN 2009202357751 U CN2009202357751 U CN 2009202357751U CN 200920235775 U CN200920235775 U CN 200920235775U CN 201498994 U CN201498994 U CN 201498994U
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- Prior art keywords
- voltage
- vacuum contactor
- reactive power
- controller
- current transformer
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- Expired - Fee Related
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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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- 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
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation 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
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- 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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/22—Flexible AC transmission systems [FACTS] or power factor or reactive power compensating or correcting units
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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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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Abstract
The utility model relates to an intelligent high-voltage pole top reactive power compensation device. The intelligent high-voltage pole top reactive power compensation device is characterized in that an outdoor high-voltage drop fuse and an insulator are connected with the input terminal of a high-voltage vacuum contactor; a high-voltage self-healing shunt capacitor is connected with the output terminal of the high-voltage vacuum contactor in a star form; both sides of a current transformer mounted on the output terminal of the high-voltage vacuum contactor are connected with the input terminal of a controller; a lightning arrester is connected with a 10 kV bus of the insulator in parallel; an outdoor high-voltage current transformer is connected with the loop of the 10 kV bus in series; a voltage sampling signal and a current sampling signal are respectively transmitted to the input terminal of a controller; a GPRS module/wireless module is connected with the communication port of the controller; and the control port of the controller and an auxiliary relay are connected with the control port of the high-voltage vacuum contactor. The intelligent high-voltage pole top reactive power compensation device can meet the requirements for fixed compensation and automatic compensation of a circuit, can perform real-time reactive monitoring and management of the circuit, and has the advantages of integral structure, simple reactive power compensation circuit, and convenient installation. The outdoor high-voltage current transformer is an open-type transformer and can perform live-line operation.
Description
Technical field
The utility model relates to intelligent high-pressure pole reactive power compensator, device adopts two group capacitors not wait the combined capacity switching, satisfies circuit to fixed compensation and the requirement of compensation automatically, makes compensation more reasonable, belongs to the power transmission and distribution technical field.
Background technology
Present domestic high-pressure reactive compensation is comparatively general with stationary applications, all is long-term access way, or puts into operation by season, and promptly the lasting several months keeps the capacitor input or withdraws from.Though this way has positive economize on electricity meaning in the peak of power consumption period, the low-valley interval in peak of power consumption season can cause that idle surplus and voltage raise, and exist many unfavorable factors.Even if the high-pressure reactive compensation of electrical power trans mission/distribution system is with the principle of " circuit as required ", carry out the automatic switching capacitor and realize the idle work optimization configuration, but device is installed dispersion, operation monitoring inconvenience, break down or can not in time handle when unusual, very big potential safety hazard is arranged.
Summary of the invention
The purpose of this utility model is to overcome the defective that prior art exists, a kind of intelligent high-pressure pole reactive power compensator is proposed, can carry out capacitor and not wait the combined capacity switching, satisfy circuit to fixed compensation and the requirement of compensation automatically, utilize the radio network functions of GPRS module/wireless module simultaneously, realize real-time monitoring and management the idle amount of circuit.Background monitoring system can make the manager browse and inquire about the real time data that circuit is installed by the B/S pattern, in time understands on-the-spot ruuning situation, also can carry out statistics and analysis to service data by C/S model.When device breaks down and be unusual, report to the police rapidly so that processing in time guarantees electric power netting safe running.
Technical solution of the present utility model: it is characterized in that the 10kV link tester crosses outdoor high voltage drop-out type fuse cutout and insulator and high-pressure vacuum contactor input and join, high pressure self-healing shunt capacitor and the high-pressure vacuum contactor output is star-like joins, the high-pressure vacuum contactor output is equipped with current transformer, current transformer two sides and controller input join, lightning arrester and the 10kV of insulator place bus inlet wire also connect, voltage transformer is connected to the 10kV bus, the outdoor high-voltage current transformer is connected in the loop of 10kV bus, voltage, current sampling signal is the access controller input respectively, GPRS module/wireless module and controller communication port are joined, and the controller control port joins by auxiliary relay and high-pressure vacuum contactor control port.
Advantage of the present utility model: device adopts two group capacitors not wait the combined capacity switching, satisfies circuit to fixed compensation and the requirement of compensation automatically, makes compensation more reasonable; Based on the intelligent high-pressure pole reactive power compensator system of GPRS mode, can realize monitoring in real time of the idle amount of circuit and management; Device adopts monolithic construction to make the reactive-load compensation equipment circuit very succinct, for installation brings great convenience; The outdoor high-voltage current transformer adopts open type, can carry out live line working.
Description of drawings
Accompanying drawing 1 is a structural representation of the present utility model.
Embodiment
Contrast accompanying drawing 1, its structure is to be made of controller 1, high-pressure vacuum contactor 2, high pressure self-healing shunt capacitor 3, outdoor high-voltage current transformer 4, voltage transformer 5, current transformer 6, outdoor high-voltage drop type fuse 7, insulator 8, lightning arrester 9, auxiliary relay 10 and GPRS module/wireless module 11 etc.The 10kV link tester crosses outdoor high voltage drop-out type fuse cutout 7 and insulator 8 joins with high-pressure vacuum contactor 2 inputs, high pressure self-healing shunt capacitor 3 and star-like joining of high-pressure vacuum contactor 2 outputs, high-pressure vacuum contactor 2 outputs are equipped with current transformer 6, current transformer 6 two sides and controller 1 input join, lightning arrester 9 and insulator 8 10kV of place bus inlet wires also connect, voltage transformer 5 is connected to the voltage signal that the 10kV bus is used to provide the 220V AC power and measures bus, outdoor high-voltage current transformer 4 is connected on the current signal of gathering a phase in the loop of 10kV bus, voltage, current sampling signal is access controller 1 input respectively, GPRS module/wireless module 11 joins with controller 1 communication port, and controller 1 control port joins by auxiliary relay 10 and high-pressure vacuum contactor 2 control ports.
GPRS (GPRS---General Packet Radio Service) module 11, GPRS is a kind of packet radio interaction technique based on gsm system, provides end to end, wireless IP connects.Generally, GPRS is a high-speed data treatment technology, is with the form transmission data of " grouping " to the user on hand.Wireless module 11 is a kind of emerging short distance, low rate, low power consumption wireless network technology, and it is a kind of technology motion between radio mark technology and bluetooth.Adopt this module communication, institute's image data is timely, accurate, complete and do not lose packet.It is simple that wireless module has a framework, monitoring is on-the-spot not to need complicated circuit to connect, cheap, low-power consumption, dynamic routing, automatic network-building, node add, do not have blind spot, withdraw do not influence network work, agreement free, use features such as simple, even transmission rate is not high, but at the application of sensing and control, wireless module has its special advantages.
The course of work
This device is connected in parallel in 10kV industrial frequency AC electric power system, controller 1 carries out computing by the voltage and current signal that voltage transformer 5 and outdoor high-voltage current transformer 4 are collected, and obtains real-time line voltage distribution, electric current, electric weight, reactive power, active power, frequency and fault message etc.According to real-time reactive power and voltage, controller 1 sends control signal and carries out switching high pressure self-healing shunt capacitor 3 for high-pressure vacuum contactor 2.Controller 2 adopts the communication mode of polls-reply or regularly report, with detected 10kV circuit service data real-time status, send main station system to by GPRS module/wireless module 11, and make each department of Utilities Electric Co.'s production management can in time grasp 10kV line work state with C/S or B/S pattern, increase work efficiency, also grasp the operation conditions of distribution network simultaneously at any time for electricity consumption marketing department, improve the electrical power services quality, improve electrical management and decision-making level, improve the economical operation index, the data foundation is provided.
This device adopts monolithic construction, and equipment such as controller 1, high-pressure vacuum contactor 2, high pressure self-healing shunt capacitor 3, voltage transformer 5, current transformer 6, insulator 8, lightning arrester 9, auxiliary relay 10 and GPRS module/wireless module 11 are installed in the cabinet.High-pressure vacuum contactor 2 outputs have three current transformers, but the offset current in Measurement of capacitor loop, as the usefulness of the instantaneous over-current protection of installing.
This device can carry out capacitor and not wait the combined capacity switching, the automatic switching principle is: the busbar voltage of measurement circuitry installation end and electric current, calculate the reactive power Q 1 at this network place, setting thresholding according to reactive power and capacitor compares and carries out automatic switching, when reactive power Q 1 when dropping into thresholding Qt 1, through setting time-delay, device drops into the capacitor group than low capacity; When reactive power Q 1 greater than dropping into thresholding Qt1 when dropping into thresholding Qt2, device drops into the capacitor group of larger capacity, when reactive power Q 1 when dropping into thresholding Qt2, device drops into two group capacitor groups; When reactive power Q 1 during less than excision thresholding Qq1, excise bigger capacitor group, when reactive power Q 1 when excising thresholding Qq2, excise less capacitor group, (capacitor drops into the capacity of overcompensation, and this moment, power factor should be negative value) through after setting time-delay, installs out of service.According to the actual operation parameters of bus, appropriate change drops into the set point of thresholding, excision thresholding, and obtaining optimum economic benefit, and the switching concussion does not take place assurance device.
Technical characteristic
1, rated voltage: 12kV.
2, control voltage :～220V ± 10% in the control cubicle.
3, control mode: voltage, reactive power.
4, certainty of measurement: voltage error≤0.5%, current error≤0.5%, reactive power error≤3%.
5, have real-time measurement and memory function, integral point record 70 days.Can use GPRS module/wireless module communication, check meter, form combined network communication by RS232 or RS485 with notebook computer.
6, have defencive functions such as overcurrent, overvoltage, under-voltage, phase shortage and quick-break, compensation arrangement is reduced to residual voltage (5min) below the 50V automatically through the internal discharge parts after disconnecting from electrical network.
7, device adopts case structure, and casing can be used quality steel plate, corrosion resistant plate or composite insulating material, degree of protection IP3L3.
Claims (3)
1. intelligent high-pressure pole reactive power compensator, it is characterized in that the 10kV link tester crosses outdoor high voltage drop-out type fuse cutout and insulator and high-pressure vacuum contactor input and join, high pressure self-healing shunt capacitor and the high-pressure vacuum contactor output is star-like joins, the high-pressure vacuum contactor output is equipped with current transformer, current transformer two sides and controller input join, lightning arrester and the 10kV of insulator place bus inlet wire also connect, voltage transformer is connected to the 10kV bus, the outdoor high-voltage current transformer is connected in the loop of 10kV bus, voltage, current sampling signal is the access controller input respectively, GPRS module/wireless module and controller communication port are joined, and the controller control port joins by auxiliary relay and high-pressure vacuum contactor control port.
2. intelligent high-pressure pole reactive power compensator according to claim 1, it is characterized in that described controller, high-pressure vacuum contactor, high pressure self-healing shunt capacitor, voltage transformer, current transformer, insulator, lightning arrester, auxiliary relay and GPRS module/wireless module are installed in the cabinet, adopt whole case structure.
3. intelligent high-pressure pole reactive power compensator according to claim 1 is characterized in that described high-pressure vacuum contactor output has three current transformers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202357751U CN201498994U (en) | 2009-09-27 | 2009-09-27 | Intelligent high-voltage pole top reactive power compensation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202357751U CN201498994U (en) | 2009-09-27 | 2009-09-27 | Intelligent high-voltage pole top reactive power compensation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201498994U true CN201498994U (en) | 2010-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202357751U Expired - Fee Related CN201498994U (en) | 2009-09-27 | 2009-09-27 | Intelligent high-voltage pole top reactive power compensation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201498994U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102412586A (en) * | 2011-12-09 | 2012-04-11 | 无锡市锡容电力电器有限公司 | Reactive compensation sampling measuring system |
| CN102723719A (en) * | 2012-07-03 | 2012-10-10 | 北京国能子金电气技术有限公司 | Dynamic reactive voltage adjusting device for high voltage line and adjusting method thereof |
| CN103595059A (en) * | 2013-10-24 | 2014-02-19 | 国家电网公司 | Reactive compensation device of 10kV line |
-
2009
- 2009-09-27 CN CN2009202357751U patent/CN201498994U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102412586A (en) * | 2011-12-09 | 2012-04-11 | 无锡市锡容电力电器有限公司 | Reactive compensation sampling measuring system |
| CN102723719A (en) * | 2012-07-03 | 2012-10-10 | 北京国能子金电气技术有限公司 | Dynamic reactive voltage adjusting device for high voltage line and adjusting method thereof |
| CN103595059A (en) * | 2013-10-24 | 2014-02-19 | 国家电网公司 | Reactive compensation device of 10kV line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100602 Termination date: 20140927 |
|
| EXPY | Termination of patent right or utility model |