CN103051062B - Intelligent phase selection system and method for multifunctional measuring and control device - Google Patents
Intelligent phase selection system and method for multifunctional measuring and control device Download PDFInfo
- Publication number
- CN103051062B CN103051062B CN201210578850.0A CN201210578850A CN103051062B CN 103051062 B CN103051062 B CN 103051062B CN 201210578850 A CN201210578850 A CN 201210578850A CN 103051062 B CN103051062 B CN 103051062B
- Authority
- CN
- China
- Prior art keywords
- circuit
- phase
- breaker
- intelligent
- circuit breaker
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- 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
- Y04S40/124—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 wired telecommunication networks or data transmission busses
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses an intelligent phase selection system and an intelligent phase selection method for a multifunctional measuring and control device. Three factors for influencing phase selection accuracy, namely frequency measuring accuracy, zero crossing time detection accuracy and breaker on-off time parameter accuracy, are comprehensively analyzed and studied, a comprehensive phase selection technology of combining a series of software and hardware such as high-accuracy frequency measurement, high-accuracy zero crossing detection and breaker parameter compensation is adopted, and a unique intelligent phase selection auxiliary function is combined, so that high-accuracy intelligent phase selection is realized, and the phase selection function is intelligentized. By the system and the method, the impact of the on and off of the breaker to electrical equipment and system is minimum, the service life of the electric equipment is prolonged, the stability of a power grid is improved and the system and the method have a good application prospect.
Description
Technical field
The present invention relates to that Automation of Electric Systems is measured and control technology field, be specifically related to a kind of high-precision intelligent phase selection technology and method that is applied to have the multifunctional measurement and control device of phase selection and intelligent terminal function.
Background technology
When circuit breaker arbitrary phase is carried out breaking-closing operating, can produce overvoltage and shove, jeopardize the insulating properties of power equipment and the stability of electric power system, also can disturb near the highly sensitive electric equipment on loop or loop normally to work, so realize the divide-shut brake of circuit breaker in optimum phase angle, can make divide-shut brake minimum to power equipment and system shock, to extending the power equipment life-span, improve grid stability, significant.
At present, the implementation method of phase selection technology, comprises two classes, is specifically described as follows:
1) in a switchgear, by increasing microprocessor and peripheral hardware loop, realize phase-selecting function, as the Chinese Patent Application No. Intelligent phase-selection switch that is 200920023808.6, the low-voltage intelligent phase-selection switch that Chinese Patent Application No. is 201020279116.0, the problem of this class implementation is that the electronic units such as microprocessor and peripheral hardware loop are often subject to on-the-spot adverse circumstances and high-current on-off and the high-strength magnetic that causes disturbs, and can affect life and reliability;
2) special-purpose intelligent phase selection device, as the Chinese Patent Application No. phase selecting switching-on apparatus that is 87211356.6, Novel phase selection closing control device that Chinese Patent Application No. is 200820205799.8 and Chinese Patent Application No. a kind of phase selection switching-off device that is 201120315469.6, the problem of this class intelligent phase selection device is to need special phase selection device, hardware cost is high, increase secondary circuit design complexity, and do not possessed the intelligent phase selection miscellaneous functions such as sample learning, intelligent learning, intelligence growth.
Summary of the invention
The object of the invention is to overcome deficiency of the prior art, do not increase extra hardware unit, in multifunctional measurement and control device, realize intelligent phase selection function, the intelligent phase selection system and method for the multifunctional measurement and control device providing, adopt High Precision Frequency, high accuracy zero passage detection, the comprehensive phase selection technology of a series of software and hardware combining such as circuit breaker parameter compensation, in conjunction with unique intelligent phase selection householder method, reach high-precision intelligent phase selection function, realized the intellectuality of phase-selecting function, thereby make divide-shut brake minimum to power equipment and system shock, extend the useful life of power equipment, improve grid stability, have a good application prospect.
In order to realize above-mentioned target, the present invention adopts following technical scheme:
A kind of intelligent phase selection system of multifunctional measurement and control device, it is characterized in that: comprise microprocessor module, FPGA, analog quantity acquisition circuit, AD sample circuit, zero cross detection circuit, remote signalling Acquisition Circuit, circuit breaker parameter interface circuit, breaker tripping and closing exit circuit and ethernet interface circuit, described analog quantity acquisition circuit is provided with two-way output, one road output passes through zero cross detection circuit, FPGA is connected with microprocessor module, another output is connected with microprocessor module by AD sample circuit, described microprocessor module also respectively with remote signalling Acquisition Circuit, circuit breaker parameter interface circuit, breaker tripping and closing exit circuit, ethernet interface circuit is connected.
The intelligent phase selection system of aforesaid multifunctional measurement and control device, is characterized in that: described microprocessor module comprises,
Logical operation maincenter, for observing and controlling computing and intelligent phase selection logical operation;
Intelligent learning maincenter, for realizing the miscellaneous function of sample learning, intelligent learning, intelligence growth, intelligent phase selection;
Described logical operation maincenter is that dsp processor, intelligent learning maincenter are PowerPC processor, and it is mutual that dsp processor and PowerPC processor complete data message by dual port RAM.
The intelligent phase selection system of aforesaid multifunctional measurement and control device, it is characterized in that: described FPGA is synchronal data sampling maincenter, for generation of the sampling pulse signal of synchronizeing with GPS, and by the acquisition rate of logical operation maincenter control AD sample circuit, and the zero passage square-wave signal that detects zero cross detection circuit, record the accurate zero passage of three-phase voltage, three-phase current constantly, and send logical operation maincenter to.
The intelligent phase selection system of aforesaid multifunctional measurement and control device, is characterized in that: described zero cross detection circuit sampled voltage, current signal, the constantly synchronous square-wave signal of output zero passage.
The intelligent phase selection system of aforesaid multifunctional measurement and control device, it is characterized in that: described circuit breaker parameter interface circuit comprises circuit breaker ambient temperature interface, operating voltage interface, SF6 gas pressure interface and divide-shut brake current interface, dsp processor carries out on-line monitoring by circuit breaker parameter interface circuit to circuit-breaker status, by parameter and the fine compensation of circuit breaker sample curve realization to the circuit-breaker switching on-off time of real time on-line monitoring.
The intelligent phase selection system of aforesaid multifunctional measurement and control device, it is characterized in that: described intelligent learning maincenter, breaking-closing operating for each circuit breaker, by the circuit breaker position signal of remote signalling Acquisition Circuit back production and the actual divide-shut brake phase angle of voltage, electric current of AD sample circuit collection, record and preserve movement locus and complete intelligent learning.
The intelligent phase selection system of aforesaid multifunctional measurement and control device, is characterized in that: described intelligent learning maincenter, comprise,
Sample learning, extracts and forms sample curve circuit-breaker switching on-off sample data, and can to sample curve, extract and matching according to the circuit breaker parameter of real time on-line monitoring, obtains circuit-breaker switching on-off time-parameters compensation rate accurately;
Intelligent learning, for each circuit-breaker switching on-off operation, by back production circuit breaker position signal and voltage, electric current divide-shut brake phase angle constantly, record circuit breaker actual act track and complete intelligent learning, the movement locus of intelligent learning record can provide data for manual analysis, also can be grown up sample curve is revised and compensated by intelligence;
Intelligence is grown up, and according to the track of intelligent learning record, calculates error and the compensation rate of sample data, and sample data is carried out to auto-compensation, forms sample curve after new correction.
Intelligent phase selection method based on claim 1 multifunctional measurement and control device, is characterized in that: comprises the following steps,
Step (1) receives remote control or comes after the breaker tripping and closing command signal of self-shield when multifunctional measurement and control device, judgement zero crossing divide-shut brake type, if current zero-crossing point divide-shut brake, obtain A, B, C three-phase current zero crossing constantly, if voltage over zero divide-shut brake, obtains A, B, C Zero Crossing Point for Three Phase Voltage constantly;
The intrinsic branch wire time of the frequency that step (2) is calculated according to dsp processor and circuit breaker calculates the fixedly divide-shut brake delay time of A, B, C three-phase;
Step (3) obtains circuit-breaker switching on-off time-parameters and compensation rate; Be implemented as follows: dsp processor is sent to intelligent maincenter PowerPC processor by the circuit breaker on-line monitoring amount obtaining by circuit breaker parameter interface circuit by dual port RAM, intelligence maincenter extracts and matching circuit breaker parameter sample curve according to real time on-line monitoring amount, obtain circuit breaker parameter and compensation rate, and parameter and compensation rate are returned to dsp processor;
Step (4) dsp processor compensates circuit breaker parameter;
Step (5) is calculated the divide-shut brake delay time after A, B, the compensation of C three-phase;
The zero crossing that step (6) obtains in step (1) is after the moment, A, the B that waiting step (5) calculates, the divide-shut brake time delay of C three-phase, if the A phase delay time arrives, trigger the A phase divide-shut brake of circuit breaker, if the B phase delay time arrives, trigger the B phase divide-shut brake of circuit breaker, if the C phase delay time arrives, trigger the C phase divide-shut brake of circuit breaker.
Usefulness of the present invention is: the intelligent phase selection system and method for multifunctional measurement and control device of the present invention, on affecting the three elements of phase selection precision, frequency measurement accuracy, zero passage be accuracy of detection and circuit-breaker switching on-off time-parameters precision constantly, comprehensively analyze and study, adopt a series of comprehensive phase selections and unique intelligent phase selection ancillary technique, not only realized high-precision intelligent phase selection, and realized the intellectuality of phase-selecting function, had the following advantages:
1) intelligent phase selection system of the present invention, does not need to increase extra hardware device, when not increasing hardware cost, has realized in the optimum position of circuit breaker phase selection divide-shut brake function in multifunctional measurement and control device;
2) on affecting the three elements of phase selection precision, comprise frequency measurement accuracy, zero passage accuracy of detection, circuit-breaker switching on-off time-parameters precision constantly, comprehensively analyze and study, adopt the complex art of a series of software and hardware combining such as High Precision Frequency, high accuracy zero cross detection circuit, circuit breaker parameter real-Time Compensation technology to carry out phase selection, realize high-precision phase selection;
3) the present invention has intelligent phase selection miscellaneous function, realizes affecting the fine compensation of the circuit-breaker switching on-off time of phase selection precision key element, thereby improves phase selection precision, realizes the intellectuality of phase selection.
The present invention can make the operating process of circuit-breaker switching on-off minimum to power equipment and system shock when not increasing hardware cost, to extending the power equipment life-span, improves grid stability, has a good application prospect.
Accompanying drawing explanation
Fig. 1 is the system block diagram of the intelligent phase selection system of multifunctional measurement and control device of the present invention.
The flow chart that the intelligent phase selection system logic of Fig. 2 multifunctional measurement and control device of the present invention realizes.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is done to concrete introduction.
As shown in Figure 1, the intelligent phase selection system of multifunctional measurement and control device, comprise microprocessor module, FPGA, analog quantity acquisition circuit, AD sample circuit, zero cross detection circuit, remote signalling amount Acquisition Circuit, breaker tripping and closing exit circuit and ethernet interface circuit, analog quantity acquisition circuit is provided with two-way output, one road output passes through zero cross detection circuit, FPGA is connected with microprocessor module, another output is connected with microprocessor module by AD sample circuit, microprocessor module also respectively with remote signalling Acquisition Circuit, circuit breaker parameter interface circuit, breaker tripping and closing exit circuit, ethernet interface circuit is connected.
Described microprocessor module comprises:
Logical operation maincenter, for observing and controlling computing and intelligent phase selection logical operation;
Intelligent learning maincenter, the intelligent miscellaneous function of the phase selection of growing up for sample learning, intelligent learning, intelligence, sample learning wherein, circuit-breaker switching on-off sample data is extracted and forms sample curve, and can to sample curve, extract and matching according to the circuit breaker parameter of real time on-line monitoring, obtain circuit-breaker switching on-off time-parameters compensation rate accurately; Intelligent learning, for each circuit-breaker switching on-off operation, by back production circuit breaker position signal and voltage, electric current divide-shut brake phase angle constantly, record circuit breaker actual act track and complete intelligent learning, the movement locus of intelligent learning record can provide data for manual analysis, also can be grown up sample curve is revised and compensated by intelligence;
Described logical operation maincenter is that dsp processor, intelligent learning maincenter are PowerPC processor, and it is mutual that dsp processor and PowerPC processor complete data message by dual port RAM.
Described FPGA is synchronal data sampling maincenter, for generation of the sampling pulse signal of synchronizeing with GPS, and by the acquisition rate of logical operation maincenter control AD sample circuit, and the zero passage square-wave signal that detects zero cross detection circuit, record the accurate zero passage of three-phase voltage, three-phase current constantly, and send logical operation maincenter to.
Described zero cross detection circuit sampled voltage, current signal, constantly synchronous voltage, the current over-zero square-wave signal of output zero passage.
Described circuit breaker parameter interface circuit comprises circuit breaker ambient temperature interface, operating voltage interface, SF6 gas pressure interface and divide-shut brake current interface, dsp processor carries out on-line monitoring by circuit breaker parameter interface circuit to circuit breaker parameter, by parameter and the fine compensation of circuit breaker sample curve realization to the circuit-breaker switching on-off time of real time on-line monitoring.
Described intelligent learning maincenter, breaking-closing operating for each circuit breaker, logic maincenter is by remote signalling Acquisition Circuit back production circuit breaker position signal, by AD sample circuit collection voltage, electric current, obtain actual divide-shut brake phase angle, and being sent to intelligent learning maincenter by dual port RAM, the each study of intelligent learning maincenter record track completes intelligent learning.
The intelligent phase selection system of multifunctional measurement and control device of the present invention, for the three elements that affect phase selection precision, the parameter precision of the precision that the precision of frequency measurement, zero passage detect constantly, circuit-breaker switching on-off time adopts the complex art of software and hardware combining to realize high accuracy phase selection, comprising:
Dsp processor carries out high-acruracy survey to frequency, frequency error is better than 0.001Hz, corresponding phase error is better than 0.0072, is implemented as follows: the AC signal input circuit of intelligent phase selection system adopts novel milliampere of level precision transformer, and volume is little, precision is high, good temp characteristic.AC signal is inputted AD sample circuit of the present invention through simulating anti-aliasing low pass filter after instrument transformer conversion, AD sample circuit adopts 16 high-precision A/D conversion chips, AC signal sample rate ranges up to 10kHz, and control synchronal data sampling by FPGA, FPGA can produce with to time meet uniformly-spaced integer-period sampled sampling pulse signal when signal precise synchronization, directly by dsp processor, control AD sample circuit and gather AC signal, the Software for Design of dsp processor is every cycle 80 point samplings, adopt 64 Lagrange's interpolation resampling technology, 64 fft algorithms, software technology of frequency tracking etc. has been realized High Precision Frequency.
Zero cross detection circuit connects FPGA, and FPGA judges that accurate zero passage error is constantly better than 1 microsecond, and corresponding phase error is better than 0.018 degree, PowerPC processor can be realized the real-Time Compensation to circuit-breaker switching on-off time-parameters, meets the high-precision requirement of phase selection.
Described breaker tripping and closing exit circuit is provided with two component phase breaker tripping and closing outlets, can realize A phase, B phase, C minute phase control mutually, also has phase-splitting breaker tripping and closing electric current and keeps loop, can guarantee circuit breaker phasing divide-shut brake action message.
As shown in Figure 2, operate in the realization flow of the intelligent phase selection logic in above-mentioned intelligent phase selection system, comprise the following steps,
The first step; when multifunctional measurement and control device receives remote control or comes after the breaker tripping and closing command signal of self-shield; judgement zero crossing divide-shut brake type; if current zero-crossing point divide-shut brake; by the real-time zero cross detection circuit of FPGA, obtain A, B, C three-phase current zero crossing constantly; if voltage over zero divide-shut brake, obtains A, B, C Zero Crossing Point for Three Phase Voltage constantly by the real-time zero cross detection circuit of FPGA.
Second step, the fixing divide-shut brake time delay that the frequency that the zero crossing of measuring according to the first step moment, dsp processor calculate and the intrinsic branch wire time of circuit breaker obtain A phase, B phase, C phase.
The 3rd step, obtains circuit-breaker switching on-off time-parameters and compensation rate; Be implemented as follows:
Dsp processor is sent to intelligent maincenter PowerPC processor by the circuit breaker on-line monitoring amount obtaining by circuit breaker parameter interface circuit by dual port RAM, intelligence maincenter extracts and matching circuit breaker parameter sample curve according to actual on-line monitoring amount, obtain circuit breaker parameter and compensation rate, and parameter and compensation rate are returned to dsp processor;
The 4th step, dsp processor compensates circuit breaker parameter;
The 5th step, calculates the divide-shut brake delay time after A, B, the compensation of C three-phase;
The 6th step, the zero crossing obtaining in the first step is after the moment, wait for A, the B of the 5th step calculating, the divide-shut brake time delay of C three-phase, if the A phase delay time arrives, trigger the A phase divide-shut brake of circuit breaker, if the B phase delay time arrives, trigger the B phase divide-shut brake of circuit breaker, if the C phase delay time arrives, trigger the C phase divide-shut brake of circuit breaker.
More than show and described basic principle of the present invention, principal character and advantage.The technical staff of the industry should understand, and above-described embodiment does not limit the present invention in any form, and all employings are equal to replaces or technical scheme that the mode of equivalent transformation obtains, all drops in protection scope of the present invention.
Claims (5)
1. the intelligent phase selection system of multifunctional measurement and control device, it is characterized in that: comprise microprocessor module, FPGA, analog quantity acquisition circuit, AD sample circuit, zero cross detection circuit, remote signalling Acquisition Circuit, circuit breaker parameter interface circuit, breaker tripping and closing exit circuit and ethernet interface circuit, described analog quantity acquisition circuit is provided with two-way output, one road output passes through zero cross detection circuit, FPGA is connected with microprocessor module, another output is connected with microprocessor module by AD sample circuit, described microprocessor module also respectively with remote signalling Acquisition Circuit, circuit breaker parameter interface circuit, breaker tripping and closing exit circuit, ethernet interface circuit is connected,
Described microprocessor module comprises,
Logical operation maincenter, for observing and controlling computing and intelligent phase selection logical operation;
Intelligent learning maincenter, for realizing the intelligent phase selection miscellaneous function of sample learning, intelligent learning, intelligence growth;
Described logical operation maincenter is that dsp processor, intelligent learning maincenter are PowerPC processor, and it is mutual that dsp processor and PowerPC processor complete data message by dual port RAM;
Described intelligent learning maincenter, for the breaking-closing operating of each circuit breaker, by the circuit breaker position signal of remote signalling Acquisition Circuit back production and the actual divide-shut brake phase angle of voltage, electric current of AD sample circuit collection, records and preserves movement locus and complete intelligent learning;
Described intelligent learning maincenter, comprises,
Sample learning, extracts and forms sample curve circuit-breaker switching on-off sample data, and can to sample curve, extract and matching according to the circuit breaker parameter of real time on-line monitoring, obtains circuit-breaker switching on-off time-parameters compensation rate accurately;
Intelligent learning, for each circuit-breaker switching on-off operation, by back production circuit breaker position signal and voltage, electric current divide-shut brake phase angle constantly, record circuit breaker actual act track and complete intelligent learning, the movement locus of intelligent learning record provides data for manual analysis, or is grown up sample curve is revised and compensated by intelligence;
Intelligence is grown up, and according to the track of intelligent learning record, calculates error and the compensation rate of sample data, and sample data is carried out to auto-compensation, forms sample curve after new correction.
2. according to the intelligent phase selection system of the multifunctional measurement and control device described in claims 1, it is characterized in that: described FPGA is synchronal data sampling maincenter, for generation of the sampling pulse signal of synchronizeing with GPS, and by the acquisition rate of logical operation maincenter control AD sample circuit, and the zero passage square-wave signal that detects zero cross detection circuit, record the accurate zero passage of three-phase voltage, three-phase current constantly, and send logical operation maincenter to.
3. according to the intelligent phase selection system of the multifunctional measurement and control device described in claims 1, it is characterized in that: described zero cross detection circuit sampled voltage, current signal, the constantly synchronous square-wave signal of output zero passage.
4. according to the intelligent phase selection system of the multifunctional measurement and control device described in claims 1, it is characterized in that: described circuit breaker parameter interface circuit comprises circuit breaker ambient temperature interface, operating voltage interface, SF6 gas pressure interface and divide-shut brake current interface, dsp processor carries out on-line monitoring by circuit breaker parameter interface circuit to circuit-breaker status, by parameter and the fine compensation of circuit breaker sample curve realization to the circuit-breaker switching on-off time of real time on-line monitoring.
5. the intelligent phase selection method of the multifunctional measurement and control device based on claim 1, is characterized in that: comprises the following steps,
Step (1) receives remote control or comes after the breaker tripping and closing command signal of self-shield when multifunctional measurement and control device, judgement zero crossing divide-shut brake type, if current zero-crossing point divide-shut brake, obtain A, B, C three-phase current zero crossing constantly, if voltage over zero divide-shut brake, obtains A, B, C Zero Crossing Point for Three Phase Voltage constantly;
The intrinsic branch wire time of the frequency that step (2) is calculated according to dsp processor and circuit breaker calculates the fixedly divide-shut brake delay time of A, B, C three-phase;
Step (3) obtains circuit-breaker switching on-off time-parameters and compensation rate; Be implemented as follows: dsp processor is sent to intelligent learning maincenter PowerPC processor by the circuit breaker on-line monitoring amount obtaining by circuit breaker parameter interface circuit by dual port RAM, intelligent learning maincenter extracts and matching circuit breaker parameter sample curve according to real time on-line monitoring amount, obtain circuit breaker parameter and compensation rate, and parameter and compensation rate are returned to dsp processor;
Step (4) dsp processor compensates circuit breaker parameter;
Step (5) is calculated the divide-shut brake delay time after A, B, the compensation of C three-phase;
The zero crossing that step (6) obtains in step (1) is after the moment, A, the B that waiting step (5) calculates, the divide-shut brake time delay of C three-phase, if the A phase delay time arrives, trigger the A phase divide-shut brake of circuit breaker, if the B phase delay time arrives, trigger the B phase divide-shut brake of circuit breaker, if the C phase delay time arrives, trigger the C phase divide-shut brake of circuit breaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210578850.0A CN103051062B (en) | 2012-12-27 | 2012-12-27 | Intelligent phase selection system and method for multifunctional measuring and control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210578850.0A CN103051062B (en) | 2012-12-27 | 2012-12-27 | Intelligent phase selection system and method for multifunctional measuring and control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103051062A CN103051062A (en) | 2013-04-17 |
| CN103051062B true CN103051062B (en) | 2014-12-10 |
Family
ID=48063609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210578850.0A Active CN103051062B (en) | 2012-12-27 | 2012-12-27 | Intelligent phase selection system and method for multifunctional measuring and control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103051062B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103149865A (en) * | 2013-03-13 | 2013-06-12 | 绍兴电力局 | High-precision phase-selection control device |
| CN104715959A (en) * | 2015-03-23 | 2015-06-17 | 南京国电南自电网自动化有限公司 | Intelligent phase selection controller equipment |
| CN105846547A (en) * | 2016-06-14 | 2016-08-10 | 江西航智电气有限公司 | High-voltage intelligent switch |
| CN107276042A (en) * | 2017-08-02 | 2017-10-20 | 国家电网公司 | Shutting-brake control method based on one or two fusion no-flashy-flow Intelligent power distribution switchs |
| CN108767821B (en) * | 2018-06-15 | 2020-01-17 | 广州供电局有限公司 | Switching method and system for phase selection switch-on |
| CN113555856B (en) * | 2020-04-24 | 2023-02-10 | 中国南方电网有限责任公司超高压输电公司南宁局 | Intelligent control method, device and system for circuit breaker |
| CN111799113A (en) * | 2020-06-09 | 2020-10-20 | 国网山东省电力公司检修公司 | Intelligent phase selection control system and method with function database storage function |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2717084Y (en) * | 2004-05-20 | 2005-08-10 | 江苏东源电器集团股份有限公司 | Intelligent control protection device of high-voltage vacuum circuit breaker |
| CN100464385C (en) * | 2004-07-30 | 2009-02-25 | 东南大学 | Detecting device of mixed power electronic circuit-breaker |
| CN100485734C (en) * | 2007-07-17 | 2009-05-06 | 东北大学 | Electric energy quality and electrical power system malfunction detection wave recording device and method |
| CN101447122A (en) * | 2008-12-08 | 2009-06-03 | 中国电力科学研究院 | Intelligent device for collecting, transmitting and controlling data of substation |
| CN101825672B (en) * | 2010-05-13 | 2011-12-28 | 四川电力试验研究院 | Phase selection switching-in tester with breaker pre-breakdown model |
| CN101882789B (en) * | 2010-06-13 | 2013-05-08 | 四川省科学城久信科技有限公司 | Integrated high-voltage intelligent phase selection permanent-magnetic circuit breaker |
| CN202421793U (en) * | 2012-01-10 | 2012-09-05 | 武汉长海电气科技开发有限公司 | Synchronous switch control device |
-
2012
- 2012-12-27 CN CN201210578850.0A patent/CN103051062B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN103051062A (en) | 2013-04-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103051062B (en) | Intelligent phase selection system and method for multifunctional measuring and control device | |
| CN110337626B (en) | System and method for detecting erroneous data injection in a substation | |
| CN106646139B (en) | A kind of electrical power distribution network fault location method based on three-phase current amplitude analysis | |
| CN102819004B (en) | Comprehensive detecting and analyzing platform for performance of digital electric energy metering systems of intelligent transformer substations | |
| CN102944860B (en) | Method and device for comparing running errors of optical current transformer and electromagnetic current transformer in real time | |
| CN202424548U (en) | Energy obtaining unit and passive high voltage on-line monitoring device | |
| CN105425145A (en) | Monitoring method for electrical endurance of arc-extinguishing chamber of circuit breaker and determination method for initial time of arcing current | |
| CN203104120U (en) | Integrated intelligent phase selection, measurement and control device | |
| CN102411124B (en) | Mechanical property test device for special breaker | |
| CN209624731U (en) | One or two fusion panel switches integration transmission agency detection systems | |
| CN104181441B (en) | One-phase earthing failure in electric distribution network Section Location based on model error | |
| CN105823981A (en) | On-line monitoring system of high-voltage circuit breaker and data processing method thereof | |
| CN102495331B (en) | Single-phase earth fault discrimination method based on pole mounted boundary switch intelligent terminal | |
| CN105021132A (en) | Laser non-contact type centrally-installed cabinet handcart contact stroke tester | |
| CN105261202B (en) | Transmission delay measurement method based on B-spline interpolating wavelet Singularity detection | |
| CN104777388A (en) | Method for recognizing power supply branch circuit users through zero sequence current sampling method | |
| CN110187193A (en) | Dielectric loss based on whole station voltage transformer judgement of stability monitors system and method | |
| CN202600092U (en) | On-line positioning system for small current grounding fault section | |
| CN105866576A (en) | Simulation detection system of intelligent transformer station secondary-side electric energy metering error influence, and detection analysis method | |
| CN103439682A (en) | Portable current transformer composite error testing device and method for testing composite error of current transformer by utilizing portable current transformer composite error testing device | |
| CN101452638B (en) | Electrical energy meter or power load administrative terminal verifying device | |
| CN112924862A (en) | Primary side fault injection FA detection system and method | |
| CN203798903U (en) | Intelligent electric energy meter | |
| CN105510769A (en) | Power distribution network single-phase ground fault indicator | |
| CN103389431A (en) | Intelligent on-load comprehensive test device for transformer substation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |