CN101882789B - Integrated high-voltage intelligent phase selection permanent-magnetic circuit breaker - Google Patents
Integrated high-voltage intelligent phase selection permanent-magnetic circuit breaker Download PDFInfo
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- CN101882789B CN101882789B CN201010200046XA CN201010200046A CN101882789B CN 101882789 B CN101882789 B CN 101882789B CN 201010200046X A CN201010200046X A CN 201010200046XA CN 201010200046 A CN201010200046 A CN 201010200046A CN 101882789 B CN101882789 B CN 101882789B
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- 238000012545 processing Methods 0.000 claims description 10
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- 230000009977 dual effect Effects 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 230000008901 benefit Effects 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 4
- 230000006870 function Effects 0.000 description 4
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- 238000005265 energy consumption Methods 0.000 description 2
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- 230000009471 action Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
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- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- 230000008018 melting 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
-
- 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
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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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
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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
- 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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Abstract
The invention discloses an integrated high-voltage intelligent phase selection permanent-magnetic circuit breaker, which comprises a controller, a master display, a voltage sensor, a current sensor, driving units sequentially connected in series to form a group of controlled elements, an execution mechanism, a vacuum switch and a temperature sensor, wherein three groups of controlled elements are included; the execution mechanism is a bi-stable permanent-magnetic mechanism; a driving mechanism of any one of bi-stable permanent-magnetic mechanisms is provided with two position sensors; and the controller comprises a single chip, a DSP and an FPGA. The controller, the driving units, the execution unit and the vacuum switch are encapsulated together, so the phase can be automatically detected in the presence of external trigger signals, and the execution mechanism can be driven to accurately and errorlessly switch on or switch off a reactive compensation device at the predetermined phase.
Description
Technical field
The present invention relates to a kind of circuit breaker, relate in particular to a kind of integrated high-voltage intelligent phase selection permanent-magnetic circuit breaker.
Background technology
It is the most general that electric capacity is that in present electrical network, compensating reactive power uses is also the most cheap device, and good compensation not only can be stablized grid supply quality, and can save a large amount of power consumptions.In order to reach the change of following electrical network parameter, just must make the capacity of idle device of input also along with change, using at present the most ripe is also that maximum schemes is to adopt switch, divide into groups drop into and excise idle device as A.C. contactor, circuit breaker, electronic switch etc., so the device of reactive power compensation just mainly is made of following three parts: reactive power detection and switching controller, fling-cut switch and idle device.Special electrology characteristic-electric current and voltage phase difference 90 degree phase places due to idle device; if the idle device of access under incorrect phase place; such as incorrect input electric capacity; electric current on capacitor can instantaneously reach tens times of rated current so; this phenomenon causes following harm: 1. the life-span that greatly reduces capacitor; 2. the moment impact electric current is very big; thereby cause fling-cut switch contact melting adhesion to be lost efficacy; 3. impulse current also causes the parameter generation impact fluctuation of electrical network, causes the misoperation of rear end equipment or the misoperation of protective circuit.And conventional switch such as the break-make of common A.C. contactor and circuit breaker etc. are the randomness break-make, therefore adopt conventional switch just to have very large impact as capacitor fling-cut switch, cause the life-span of device shorter.in order to solve the problem of the impulse current that electric capacity drops into, at present mainly adopting the electronic switches such as the switch that can accurately drop in designated phase such as thyristor less than the electricity consumption place of 1000V, due to electronic switch withstand voltage not, control complicated, can not use on electrical network, and can not promote on a large scale, therefore just only having the conventional primary cut-out of employing greater than the reactive power compensation under the hyperbaric environment of 6000V as fling-cut switch, the special requirement ground of compensation fast adopts electronic switch to come quick-switching electric capacity just now, because single pool-size of high pressure compensation is larger, impact to electrical network is just larger, therefore be all generally to adopt fixed compensation on high-pressure reactive compensation, even the compensation arrangement that adopts automatic switching is arranged, can not frequent switching, thereby cause compensation effect not good, line loss is larger, the power supply quality of electrical network can not keep constant simultaneously.
Summary of the invention
Purpose of the present invention just is that providing a kind of addresses the above problem, can be automatically, frequently, accurately carry out the integrated high-voltage intelligent phase selection permanent-magnetic circuit breaker of switching.
To achieve these goals, the technical solution used in the present invention is such: a kind of integrated high-voltage intelligent phase selection permanent-magnetic circuit breaker, comprise controller, master control display, voltage sensor, current sensor, driver element, actuator and vacuum switch, described driver element, actuator and vacuum switch are connected successively, consist of one group and are subjected to control;
Also comprise temperature sensor;
The described control that is subjected to is three groups, and described actuator is bistable-state permanent magnet mechanism;
Have two position transducers on the driving mechanism of arbitrary bistable-state permanent magnet mechanism;
Described controller comprises single-chip microcomputer, DSP and FPGA, and described single-chip microcomputer, DSP and FPGA are interconnected by bus;
Described voltage sensor is connected with the A/D mouth of DSP with current sensor, and described DSP sends in SCM﹠FPGA respectively and processes after the signal of voltage sensor and current sensor collection is carried out analog-to-digital conversion;
Described temperature sensor is connected by the control Position Sensor with the A/D mouth of single-chip microcomputer with each group, the signal of described single-chip microcomputer processing DSP input, and collecting temperature transducer and each group be subjected to the signal of control Position Sensor, then the information after processing is delivered to DSP;
Described each group is subjected to that in control, the state output end of vacuum switch and driver element is connected with the I/O mouth of FPGA respectively, described FPGA gathers the state information that each group is subjected to vacuum switch and driver element in control, and the state information of extraneous switching signal, and the information after processing is delivered to DSP;
DSP is according to the SCM﹠FPGA feedack, send triggering signal and control the operating state of driver element, when FPGA detects single-chip microcomputer and DSP, driver element and switch module any one party break down, blocking output through still not eliminating fault after failure reset, and output alarm signal, described master control display is connected with single-chip microcomputer.
As preferably: be provided with dual port RAM between described DSP and single-chip microcomputer.
As preferably: also comprise toggle switch, described toggle switch is connected with the I/O mouth of FPGA, is used for setting the DSP operating state.
As preferably: described driver element adopts high accuracy constant voltage charging circuit.
Compared with prior art, the invention has the advantages that:
Controller, driver element, actuator and vacuum switch encapsulation is as a whole, and built-in function adopts modularized design simultaneously, is convenient for changing and overhauls;
Controller adopts DSP, FPGA and single-chip microcomputer in conjunction with as kernel control chip, by DSP fast detecting power supply voltage signal and current signal, calculates fast needed phase parameter, and sends the driving signal, can determine accurately the switching phase place;
For actuator can be accurately closed and cut-off in preset phase, the operational factor of actuator must be highly stable, also namely must have highly stable closure and switch off time, therefore adopt the bistable permanent magnetic driving mechanism in actuator, bistable-state permanent magnet mechanism is very stable electromagnetic drive mechanism, has mechanism's device few, reliable, energy consumption is very low, its maximum advantage is under the cooperation of good drive circuit, its kinetic characteristic is highly stable, and its parameter drift is very little after the operation of thousands of times;
In order to guarantee that three-phase is all shock-free when dropping into, structurally adopt three independently driver element drive respectively three vacuum switches, control centre sends control signal to three driver elements respectively according to the electrical network parameter that detects;
In order to guarantee the reliable and stable of actuator, accurate operational factor, driver element has adopted high accuracy constant voltage charging circuit, has guaranteed the long-term high accuracy operation of driver element;
Collection by temperature sensor, position transducer, driver element and vacuum switch state, system can be by recording each switching parameter, the drift of intellectual analysis parameter adds correction coefficient automatically in the action of new switching, thereby makes each time switching all at the optimum phase switching;
For intelligent breaker can be used at different idle devices and different connection modes, have selection function on controller, the user only needs simply both can to have set intelligent switch by toggle switch and is operated in different places;
Single-chip microcomputer has external bus, can communicate by letter with display system, comprehensively shows state and the running parameter of intelligent switchs all in compensation arrangement, running performance parameters, switching frequency etc.
Description of drawings
Fig. 1 is functional block diagram of the present invention;
Fig. 2 is one group of block diagram that is connected that is subjected to control and controller in Fig. 1.
Embodiment
Embodiment: referring to Fig. 1, Fig. 2, the present invention includes controller, master control display, voltage sensor, current sensor, driver element, actuator and vacuum switch, described driver element, actuator and vacuum switch are connected successively, consist of one group and are subjected to control
Also comprise temperature sensor, the described control that is subjected to is three groups, and described actuator is bistable-state permanent magnet mechanism, has two position transducers on the driving mechanism of described arbitrary bistable-state permanent magnet mechanism, bistable-state permanent magnet mechanism is very stable electromagnetic drive mechanism, have mechanism's device few, reliable, energy consumption is very low, its maximum advantage is under the cooperation of good drive circuit, its kinetic characteristic is highly stable, and its parameter drift is very little after the operation of thousands of times
Described driver element adopts high accuracy constant voltage charging circuit, has guaranteed the long-term high accuracy operation of driver element,
Described controller comprises single-chip microcomputer, DSP and FPGA, and DSP has advantages of quick calculating, but the fast processing data message, and described single-chip microcomputer, DSP and FPGA are interconnected by bus; Can realize mutual communication, and be provided with dual port RAM between DSP and single-chip microcomputer, but the data that exchange between dual port RAM buffer memory DSP and single-chip microcomputer, described voltage sensor is connected with the A/D mouth of DSP with current sensor, described DSP sends in SCM﹠FPGA respectively and processes after the signal of voltage sensor and current sensor collection is carried out analog-to-digital conversion;
Described temperature sensor is connected by the control Position Sensor with the A/D mouth of single-chip microcomputer with each group, the signal of described single-chip microcomputer processing DSP input, and collecting temperature transducer and each group be subjected to the signal of control Position Sensor, then the information after processing is delivered to DSP;
Described each group is subjected to that in control, the state output end of vacuum switch and driver element is connected with the I/O mouth of FPGA respectively, described FPGA gathers the state information that each group is subjected to vacuum switch and driver element in control, and the state information of extraneous switching signal, and the information after processing is delivered to DSP;
DSP is according to the SCM﹠FPGA feedack, send triggering signal and control the operating state of driver element, when FPGA detects single-chip microcomputer and DSP, driver element and switch module any one party break down, blocking output through still not eliminating fault after failure reset, and output alarm signal, described master control display is connected with single-chip microcomputer, the present invention also comprises toggle switch, described toggle switch is connected with the I/O mouth of FPGA, can set by the different state of toggle switch the mode of operation of DSP, as be operated in the star-like connection of three-phase, the three-phase triangle connects or is operated under single-phase mode.
In actual applications, the present invention can couple together by communication interface and the host computer of single-chip microcomputer, realizes the function of Long-distance Control, and the single-chip microcomputer of selecting has the single-chip microcomputer of automated storage, convenient record switching state and parameter each time.
The present invention is with the controller of complexity, driver element, actuator and vacuum switch are packaged together, can significantly reduce the complexity of high pressure dynamic compensating device, and has good, a stable service behaviour, by present test to test unit, its phase accuracy is in 100us, and by actuator's inferior tests up to a hundred are shown, its Parameter stability is higher.Repeat deviation in 10%, when switched capacitor, in the situation that the electric current that shoves that there is no reactor electric capacity is less than 20% rated current, and can repeat switching within a few minutes, can substitute electronic switch in some place;
The existing higher intelligent function of the present invention, in assembling high pressure dynamic compensating device, only need simply the setting by toggle switch, the pattern of the mode of operation equality circuit of configuration switch will can consist of a high performance high-voltage dynamic reactive compensation device in triggering signal and line voltage and current signal access switch;
Due to the present invention's idle device of switching fast, therefore can be good at following the variation of electrical network, thereby the quality of electrical network is significantly improved, simultaneously also make the power factor of circuit remain at higher level, can effectively reduce the reactive current of circuit, reduce the loss of circuit, save a large amount of electric energy;
By modularization production, the present invention has lower cost, can promote on a large scale and use, if the compensation that the reactive power of circuit can both be good will be saved a large amount of electric energy for country;
Dynamic compensation is also a part in present national intelligent grid simultaneously; and the core of dynamic compensation is exactly dynamic fling-cut switch, and this invention not only has all properties of dynamic fling-cut switch, and is simultaneously more intelligent; use simplyr, have very positive dissemination.
Claims (4)
1. integrated high-voltage intelligent phase selection permanent-magnetic circuit breaker, comprise controller, master control display, voltage sensor, current sensor, driver element, actuator and vacuum switch, described driver element, actuator and vacuum switch are connected successively, consist of one group and are subjected to control;
It is characterized in that:
Also comprise temperature sensor;
The described control that is subjected to is three groups, and described actuator is bistable-state permanent magnet mechanism;
Have two position transducers on the driving mechanism of arbitrary bistable-state permanent magnet mechanism;
Described controller comprises single-chip microcomputer, DSP and FPGA, and described single-chip microcomputer, DSP and FPGA are interconnected by bus;
Described voltage sensor is connected with the A/D mouth of DSP with current sensor, and described DSP sends in SCM﹠FPGA respectively and processes after the signal of voltage sensor and current sensor collection is carried out analog-to-digital conversion;
Described temperature sensor is connected by the control Position Sensor with the A/D mouth of single-chip microcomputer with each group, the signal of described single-chip microcomputer processing DSP input, and collecting temperature transducer and each group be subjected to the signal of control Position Sensor, then the information after processing is delivered to DSP;
Described each group is subjected to that in control, the state output end of vacuum switch and driver element is connected with the I/O mouth of FPGA respectively, described FPGA gathers the state information that each group is subjected to vacuum switch and driver element in control, and the state information of extraneous switching signal, and the information after processing is delivered to DSP;
DSP is according to the SCM﹠FPGA feedack, send triggering signal and control the operating state of driver element, when FPGA detects single-chip microcomputer and DSP, driver element and switch module any one party break down, blocking output through still not eliminating fault after failure reset, and output alarm signal, described master control display is connected with single-chip microcomputer.
2. integrated high-voltage intelligent phase selection permanent-magnetic circuit breaker according to claim 1, is characterized in that: be provided with dual port RAM between described DSP and single-chip microcomputer.
3. integrated high-voltage intelligent phase selection permanent-magnetic circuit breaker according to claim 1, it is characterized in that: also comprise toggle switch, described toggle switch is connected with the I/O mouth of FPGA, is used for setting the DSP operating state.
4. integrated high-voltage intelligent phase selection permanent-magnetic circuit breaker according to claim 1, is characterized in that: described driver element employing high accuracy constant voltage charging circuit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010200046XA CN101882789B (en) | 2010-06-13 | 2010-06-13 | Integrated high-voltage intelligent phase selection permanent-magnetic circuit breaker |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010200046XA CN101882789B (en) | 2010-06-13 | 2010-06-13 | Integrated high-voltage intelligent phase selection permanent-magnetic circuit breaker |
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| CN101882789A CN101882789A (en) | 2010-11-10 |
| CN101882789B true CN101882789B (en) | 2013-05-08 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103051062B (en) * | 2012-12-27 | 2014-12-10 | 国电南瑞科技股份有限公司 | Intelligent phase selection system and method for multifunctional measuring and control device |
| CN107680841B (en) * | 2017-07-26 | 2019-02-15 | 国网浙江省电力公司丽水供电公司 | Breaker option principle device and control method |
| CN109193951A (en) * | 2018-11-08 | 2019-01-11 | 南京国电南自维美德自动化有限公司 | A kind of intelligent operation box with surge suppression function |
| CN110649580A (en) * | 2019-10-14 | 2020-01-03 | 国网山东省电力公司潍坊供电公司 | Intelligent control system of circuit breaker |
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| CN2607690Y (en) * | 2002-12-26 | 2004-03-24 | 西安森宝电气工程有限公司 | Integrated high-voltage wattless dynamic compensator on column |
| CN101409467A (en) * | 2008-11-26 | 2009-04-15 | 上海电器科学研究所（集团）有限公司 | Circuit breaker controller |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7046108B2 (en) * | 2004-05-12 | 2006-05-16 | Tzo-Ing Lin | Electronic circuit breaker with magnetic mechanism |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2607690Y (en) * | 2002-12-26 | 2004-03-24 | 西安森宝电气工程有限公司 | Integrated high-voltage wattless dynamic compensator on column |
| CN101409467A (en) * | 2008-11-26 | 2009-04-15 | 上海电器科学研究所（集团）有限公司 | Circuit breaker controller |
Non-Patent Citations (4)
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