CN103208806A - High-voltage permanent magnet zero passage switch control device - Google Patents
High-voltage permanent magnet zero passage switch control device Download PDFInfo
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- CN103208806A CN103208806A CN2013101239547A CN201310123954A CN103208806A CN 103208806 A CN103208806 A CN 103208806A CN 2013101239547 A CN2013101239547 A CN 2013101239547A CN 201310123954 A CN201310123954 A CN 201310123954A CN 103208806 A CN103208806 A CN 103208806A
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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 discloses a high-voltage permanent magnet zero passage switch control device which comprises a power line (1), wherein a voltage sampling deivce (2) and a current sampling deivce (3) are arranged on the power line (1) and are connected with a sampling processor (4) respectively. The sampling processor (4) is connected with a microprocessor (5); a state detection module (6) and a control module (7) are connected onto the microprocessor (5); the state detection module (6) detects states of a high-voltage breaker (8); and the control module (7) controls action of the high-voltage breaker (8). By adopting the high-voltage permanent magnet zero passage switch control device, an on-off controller can be switched into a capacitor group during voltage aero passage and switched off from the capacitor group during current aero passage, the high-voltage capacitor group does not generate inrush current in connection and does not generate arc discharge in disconnection, the steady state is directly achieved without the transient process during electric switching, service lives of a high-voltage permanent magnet zero passage switch and a high-voltage capacitor are greatly prolonged, and stability of the power grid is greatly improved.
Description
Technical field
The present invention relates to a kind of high voltage permanent zero passage switch control device, belong to appliance switch control appliance technical field.
Background technology
In existing reactive power compensation, run into through regular meeting and need to drop into and the situation of excision capacitor group, but because the capacitor group drops into, excision uncertainty constantly, the time regular meeting higher or peak value drops into the capacitor group at voltage, occur shoving, electrical network is formed impacts; And electric current is higher or the situation of peak value under excision electric capacity phase group, produce electric arc, cause high-voltage switch gear, high-voltage capacitor to damage.
Summary of the invention
The technical problem to be solved in the present invention is: a kind of voltage, current peak avoided is provided, realizes that voltage zero-cross drops into, the high voltage permanent zero passage switch control device of current over-zero excision, can overcome the deficiencies in the prior art.
Technical scheme of the present invention is: high voltage permanent zero passage switch control device, this device is made of following module
Voltage sampling apparatus is connected with power line, finishes the AB phase of power line and the sampling of BC phase voltage, and sampled data is sent into sampling processor;
Current sampling device is connected with power line, and it is finished the A phase of power line and the sampling of C phase current, and sampled data is sent into sampling processor;
Sampling processor is connected with embedded microprocessor, and it realizes the processing to current sampling data and voltage sample data, and the result is sent into embedded microprocessor;
Embedded microprocessor, its by the control module sending controling instruction to the control of primary cut-out, receive the detection information from block of state, realize and extraneous communicating by letter simultaneously according to the control of state detection module testing result realization to state indicating module and alarm module, and by two 485 communication interfaces;
State detection module is connected with embedded microprocessor, for detection of the state of primary cut-out;
Control module is connected with embedded microprocessor, is used for the action of control primary cut-out;
Power module is finished the 220V alternating current to the galvanic conversion of 5V, simultaneously to two 485 communication interfaces, isolator, sampling processor, embedded microprocessor power supply.
Be connected with the state indicating module at microprocessor, the state indicating module act as external demonstration treatment state.
Be connected with two 485 communication interfaces at microprocessor, acting as of two 485 communication interfaces is convenient to realize and extraneous communicating by letter.
Be provided with isolator between state detection module and control module and microprocessor, acting as of isolator guarantees that detection module and control module are not subjected to external interference.
Be connected with memory and clock at microprocessor, clock act as clock signal to control module is provided, for the system event record provides the precise time source; Memory act as the data that need preservation for storage.
Used voltage sampling apparatus and current sampling device are by voltage, current data on the instrument transformer collection power line.
Be connected with data at microprocessor and keep battery, data keep battery as the maintenance power supply of clock.
Compared with the prior art, the present invention finishes to AB mutually and the sampling of BC phase voltage by voltage sampling apparatus, and sampled data is sent into sampling processor; Current sampling device is finished the sampling to A phase and C phase current, and sampled data is sent into sampling processor; Sampling processor is realized the processing to current sampling data and voltage sample data, and the result is sent into embedded microprocessor; Power module is finished the 220V alternating current to the galvanic conversion of 5V, simultaneously to communication module, isolator, sampling processor, embedded microprocessor power supply; Data keep battery as the maintenance power supply in clock source, provide power supply for control is operated under the low-power consumption mode simultaneously; Clock provides clock signal to controller, for the system event record provides the precise time source; Memory is used for the data that storage needs preservation; Embedded microprocessor by isolator and control output module sending controling instruction realize to the reactive power compensation primary cut-out control, receive the detection information from state detection module, realize and extraneous communicating by letter simultaneously according to the control of state-detection result realization to state indicating module and alarm module, and by 485 communication modules; Isolator guarantees that Zero cross controller is not subjected to external interference; Control output module reception embedded microprocessor control command is finished the control to the reactive power compensation primary cut-out; The operating state of state detection module sense switch, and state detecting information fed back to embedded microprocessor; After alarm output module receives the controller failure information of embedded microprocessor, by the fault message of sound indicating controller; The state indicating module receives the controller work state information of embedded microprocessor, the operating state of display controller; Cooperation by above-mentioned module simultaneously can realize that on-off controller drops into capacitor group, current over-zero excision capacitor group at voltage zero-cross, making the high-voltage capacitor group not produce in input shoves, arcing does not appear when excision, avoid the transient process in the capacitor group switching process and directly entered stable state, improved the stability of high voltage permanent zero passage switch, high-voltage capacitor life-span and electrical network greatly.
Description of drawings
Fig. 1 is structural representation of the present invention.
Embodiment
Embodiment 1: voltage sampling apparatus 2 is connected with power line 1 by instrument transformer with current sampling device 3, voltage sampling apparatus 2 is connected with sampling processor 4 with current sampling device 3, the processing that sampling processor 4 is realized current sampling data and voltage sample data, and the result sent into microprocessor 5, used microprocessor 5 is embedded microprocessor, its model is 78F0527, be connected with state detection module 6 and control module 7 at microprocessor 5, between state detection module 6 and control module 7 and microprocessor 5, be provided with isolator 11, state detection module 6 detects the state of primary cut-out 8, the action of control module 7 control primary cut-outs 8.And be connected with state indicating module 9, two 485 communication interfaces 10, memory 12, clock 13, alarm module 15 and data at microprocessor 5 and keep battery.Simultaneously be provided with power supply 14 at sampling processor 4, microprocessor 5, isolator 11.
In use, voltage sampling apparatus 2 is finished the sampling to AB phase and BC phase voltage, and sampled data is sent into sampling processor 4; Current sampling device 3 is finished the sampling to A phase and C phase current, and sampled data is sent into sampling processor 4; Sampling processor 4 is realized the processing to current sampling data and voltage sample data, and the result is sent into microprocessor 5; Power supply 14 is finished the 220V alternating current to the galvanic conversion of 5V, simultaneously to communication module, isolator 11, sampling apparatus, microprocessor 5 power supplies; Microprocessor 5 is realized control to the reactive power compensation primary cut-out by isolator 11 and control module 7 sending controling instructions, realize that on-off controller drops into capacitor group, current over-zero excision capacitor group at voltage zero-cross, make the high-voltage capacitor group in connection, not shove, in excision, do not have arcing, avoided the transient process in the electric power switching process and directly enter stable state.
Claims (7)
1. high voltage permanent zero passage switch control device, it is characterized in that: this device is made of following module
Voltage sampling apparatus (2) is connected with power line (1), finishes the AB phase of power line (1) and the sampling of BC phase voltage, and sampled data is sent into sampling processor (4);
Current sampling device (3) is connected with power line (1), and it is finished the A phase of power line (1) and the sampling of C phase current, and sampled data is sent into sampling processor (4);
Sampling processor (4) is connected with embedded microprocessor (5), and it realizes the processing to current sampling data and voltage sample data, and the result is sent into embedded microprocessor (5);
Embedded microprocessor (5), its by control module (7) sending controling instruction to the control of primary cut-out (8), receive the detection information from state detection module (6), realize and extraneous communicating by letter simultaneously according to the control of state detection module (6) testing result realization to state indicating module (9) and alarm module, and by two 485 communication interfaces (10);
State detection module (6) is connected with embedded microprocessor (5), for detection of the state of primary cut-out (8);
Control module (7) is connected with embedded microprocessor (5), is used for the action of control primary cut-out (8);
Power module is finished the 220V alternating current to the galvanic conversion of 5V, simultaneously to two 485 communication interfaces (10), isolator (11), sampling processor (4), embedded microprocessor (5) power supply.
2. high voltage permanent zero passage switch control device according to claim 1 is characterized in that: be connected with state indicating module (9) at microprocessor (5), state indicating module (9) act as external demonstration treatment state.
3. high voltage permanent zero passage switch control device according to claim 1 is characterized in that: be connected with two 485 communication interfaces (10) at microprocessor (5), the acting as of two 485 communication interfaces (10) is convenient to realize and the communicating by letter of the external world.
4. high voltage permanent zero passage switch control device according to claim 1, it is characterized in that: be provided with isolator (11) between state detection module (6) and control module (7) and microprocessor (5), acting as of isolator (11) guarantees that detection module (6) and control module (7) are not subjected to external interference.
5. high voltage permanent zero passage switch control device according to claim 1, it is characterized in that: be connected with memory (12) and clock (13) at microprocessor (5), clock (13) act as clock signal to control module (7) is provided, for the system event record provides the precise time source; Memory act as the data that need preservation for storage.
6. high voltage permanent zero passage switch control device according to claim 1 is characterized in that: used voltage sampling apparatus (2) and current sampling device (3) are gathered voltage, current data on the power line (1) by instrument transformer.
7. high voltage permanent zero passage switch control device according to claim 5 is characterized in that: be connected with data at microprocessor (5) and keep battery, data keep battery as the maintenance power supply of clock (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101239547A CN103208806A (en) | 2013-04-11 | 2013-04-11 | High-voltage permanent magnet zero passage switch control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101239547A CN103208806A (en) | 2013-04-11 | 2013-04-11 | High-voltage permanent magnet zero passage switch control device |
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| Publication Number | Publication Date |
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| CN103208806A true CN103208806A (en) | 2013-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013101239547A Pending CN103208806A (en) | 2013-04-11 | 2013-04-11 | High-voltage permanent magnet zero passage switch control device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015103883A1 (en) * | 2014-01-13 | 2015-07-16 | 江苏现代电力科技股份有限公司 | Integrated high-voltage alternating-current circuit breaker controller |
| CN109188263A (en) * | 2018-09-18 | 2019-01-11 | 湖南长高高压开关有限公司 | High voltage isolator alternating current-direct current voltage regulation power supply test operation secondary circuit system |
| CN114360971A (en) * | 2022-01-17 | 2022-04-15 | 嘉控电力股份有限公司 | Train circuit breaker with semiconductor chip and control method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10174292A (en) * | 1996-12-06 | 1998-06-26 | Tokyo Gas Co Ltd | Transforming device fitted with the capacitor for improvement of power factor contributing to countermeasure against higher harmonic waves |
| CN201994680U (en) * | 2011-04-01 | 2011-09-28 | 河南新月实业有限公司 | Nondestructive intelligent switching device for high-voltage capacitor group |
| CN202076196U (en) * | 2011-03-09 | 2011-12-14 | 中国振华电子集团百智科技有限公司 | Controller of high-voltage permanent-magnet zero crossing switch |
| CN102751731A (en) * | 2012-07-10 | 2012-10-24 | 山东新风光电子科技发展有限公司 | High voltage dynamic reactive compensation device |
-
2013
- 2013-04-11 CN CN2013101239547A patent/CN103208806A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10174292A (en) * | 1996-12-06 | 1998-06-26 | Tokyo Gas Co Ltd | Transforming device fitted with the capacitor for improvement of power factor contributing to countermeasure against higher harmonic waves |
| CN202076196U (en) * | 2011-03-09 | 2011-12-14 | 中国振华电子集团百智科技有限公司 | Controller of high-voltage permanent-magnet zero crossing switch |
| CN201994680U (en) * | 2011-04-01 | 2011-09-28 | 河南新月实业有限公司 | Nondestructive intelligent switching device for high-voltage capacitor group |
| CN102751731A (en) * | 2012-07-10 | 2012-10-24 | 山东新风光电子科技发展有限公司 | High voltage dynamic reactive compensation device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015103883A1 (en) * | 2014-01-13 | 2015-07-16 | 江苏现代电力科技股份有限公司 | Integrated high-voltage alternating-current circuit breaker controller |
| CN109188263A (en) * | 2018-09-18 | 2019-01-11 | 湖南长高高压开关有限公司 | High voltage isolator alternating current-direct current voltage regulation power supply test operation secondary circuit system |
| CN109188263B (en) * | 2018-09-18 | 2024-03-26 | 湖南长高高压开关有限公司 | High-voltage isolating switch AC/DC voltage regulation power supply test operation secondary circuit system |
| CN114360971A (en) * | 2022-01-17 | 2022-04-15 | 嘉控电力股份有限公司 | Train circuit breaker with semiconductor chip and control method thereof |
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Application publication date: 20130717 |