CN104331060B - A kind of phase-controlled device option principle method for testing precision of breaker - Google Patents

A kind of phase-controlled device option principle method for testing precision of breaker Download PDF

Info

Publication number
CN104331060B
CN104331060B CN201410376387.0A CN201410376387A CN104331060B CN 104331060 B CN104331060 B CN 104331060B CN 201410376387 A CN201410376387 A CN 201410376387A CN 104331060 B CN104331060 B CN 104331060B
Authority
CN
China
Prior art keywords
phase
controlled
breaker
signal
divide
Prior art date
Application number
CN201410376387.0A
Other languages
Chinese (zh)
Other versions
CN104331060A (en
Inventor
何周
袁端磊
王海燕
华争相
刘畅
毕迎华
闫广超
朱晨光
Original Assignee
平高集团有限公司
国家电网公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 平高集团有限公司, 国家电网公司 filed Critical 平高集团有限公司
Priority to CN201410376387.0A priority Critical patent/CN104331060B/en
Publication of CN104331060A publication Critical patent/CN104331060A/en
Application granted granted Critical
Publication of CN104331060B publication Critical patent/CN104331060B/en

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/327Testing of circuit interrupters, switches or circuit-breakers
    • G01R31/3277Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches
    • G01R31/3278Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches of relays, solenoids or reed switches

Abstract

The invention discloses a kind of phase-controlled device option principle accuracy test system and method for breaker, tested under totally digitilized input condition, improve the measuring accuracy of phase selection breaker controller, for the option principle precision for improving phase selection breaker provides foundation, to reduce shoving during breaking-closing operating and overvoltage, the stability of the quality of power supply and system is improved, extend service life and the time between overhauls(TBO) of electrical equipment, transient process in shortening system, improves breaking capacity.

Description

A kind of phase-controlled device option principle method for testing precision of breaker

Technical field

The present invention relates to a kind of phase-controlled device divide-shut brake accuracy test system and method for breaker.

Background technology

Breaker the overvoltage of generation and shoves to power system and electricity during switched capacitor group and reactor group Power equipment produces impact, and it is to eliminate produce in circuit-breaker switching on-off operating process to shove and excessively electric to be operated by the phase selection of breaker A kind of effective ways of pressure.Phase selection breaker can carry out breaking-closing operating in the selected phase of voltage, reduce breaking-closing operating mistake The impact shoved with overvoltage to power equipment and system that journey is produced, improves the stability of the quality of power supply and system, extension electricity The service life of device and time between overhauls(TBO), the transient process in shortening system.Phased breaker realizes the key of phase selection operational control It is the option principle precision of intelligent controller, under the development of intelligent grid, based on controller under totally digitilized input condition The test of phase selection precision is the foundation that phased breaker phase-controlled device divide-shut brake precision judges.

The content of the invention

It is phased to test it is an object of the invention to provide a kind of phase-controlled device divide-shut brake accuracy test system of breaker The option principle precision of breaker phase-controlled device, while providing a kind of method of testing using the system.

In order to realize the above object the technical solution adopted in the present invention is:A kind of phase-controlled device division of breaker Lock accuracy test system, the system includes:

Relay-protection tester, for sending three-phase voltage, current signal, and is connected to combining unit by signal, and by three Phase voltage signal is connected to oscillograph as reference phase voltage signal;

Command generator, for sending separating brake or closing operation instruction;

GPS clock source, for providing synchronizing signal for phase-controlled device;

Oscillograph, for receiving separating brake or the triggering letter that closes a floodgate that display reference phase voltage signal and phase-controlled device send Number.

The technical scheme that the phase-controlled device divide-shut brake method for testing precision of breaker of the present invention is used is:A kind of open circuit The phase-controlled device divide-shut brake method for testing precision of device, comprises the following steps:

(1) three-phase voltage and current signal are connected to combining unit, and are believed three-phase voltage signal as reference phase voltage Number it is connected to oscillograph;

(2) combining unit is sampled to the three-phase voltage and current signal that access, and is exported to phase-controlled device;Simultaneously Phase-controlled device also accesses the clock sync signal of GPS clock source;

(3) it is defeated according to mains frequency and instruction due in when phase-controlled device is connected to separating brake or closing operation order Go out trigger signal, start phase selection or separating brake;

(4) trigger signal is input to oscillograph, and the trigger signal is compared with the reference phase voltage signal of input Compared with so as to obtain the option principle precision of phase-controlled device.

Three-phase voltage and current signal in the step (1) are sent by relay-protection tester.

Combining unit is by sampled signal with SV forms output to phase-controlled device.

The clock sync signal of GPS clock source is with PTP forms output to phase-controlled device.

The separating brake or closing operation order that phase-controlled device is connected to are GOOSE signals.

The phase-controlled device option principle accuracy test system and method for breaker of the invention is input into total digitalization Under the conditions of tested, improve the measuring accuracy of phase selection breaker controller, be improve phase selection breaker option principle Precision provides foundation, to reduce shoving during breaking-closing operating and overvoltage, improves the stability of the quality of power supply and system, extension The service life of electrical equipment and time between overhauls(TBO), the transient process in shortening system improve breaking capacity.

Brief description of the drawings

Fig. 1 is the structural representation of the phase-controlled device divide-shut brake accuracy test system of breaker of the present invention.

Specific embodiment

Below in conjunction with the accompanying drawings and specific embodiment is described further to the present invention.

It is as shown in Figure 1 the structural representation of the phase-controlled device divide-shut brake accuracy test system of breaker of the present invention, by Figure understands that the system includes:Relay-protection tester, for sending three-phase voltage, current signal, and it is single that signal is connected into merging Unit, and it is connected to oscillograph using three-phase voltage signal as reference phase voltage signal;Command generator, for sending separating brake or combined floodgate Operational order;GPS clock source, for providing synchronizing signal for phase-controlled device;Oscillograph, for receiving display reference phase voltage Separating brake or combined floodgate trigger signal that signal and phase-controlled device send.

Present invention also offers a kind of phase-controlled device divide-shut brake method for testing precision of breaker, comprise the following steps:

(1) three-phase voltage and current signal for sending relay-protection tester are connected to combining unit, and by three-phase voltage Signal is connected to digital oscilloscope as reference phase voltage signal;

(2) combining unit is sampled to the three-phase voltage and current analog signal that access, and sample frequency is 10kHz, with Phase-controlled device is arrived in the composition SV frame outputs of IEC618509-2LE forms;Phase-controlled device also accesses the clock of GPS clock source simultaneously Synchronizing signal, is specifically determined using the synchronizing signal of what form by the combining unit selected, the output of the present embodiment GPS clock source Be PTP messages;

(3) phased breaker phase-controlled device should also access the GOOSE signals with the instruction of splitting or integrating lock, when phase-controlled device When being connected to separating brake or closing operation order, phase-controlled device is opened according to mains frequency and instruction due in output trigger signal Dynamic phase selection or separating brake;

(4) above-mentioned trigger signal is input to digital oscilloscope, and the trigger signal is believed with the reference phase voltage of input Number it is compared, it can be observed how the time phase of trigger signal from oscillograph, so as to obtain the phase selection point of phase-controlled device Combined floodgate precision.

Phase-controlled device divide-shut brake method for testing precision of the invention is accessed using SV modes in line voltage, electric current, The instruction of splitting or integrating lock is accessed using GOOSE modes, and time synchronized is used under the totally digitilized input condition that PTP modes are accessed, to phase The test that the option principle precision of breaker phase-controlled system is carried out is controlled, is phased breaker phase-controlled device divide-shut brake essence Degree judges to provide foundation.

Above example is only used for help and understands core concept of the invention, it is impossible to the present invention is limited with this, for ability The technical staff in domain, it is every according to thought of the invention, the present invention is modified or equivalent, in specific embodiment And any change done in range of application, should be included within the scope of the present invention.

Claims (5)

1. the phase-controlled device divide-shut brake method for testing precision of a kind of breaker, it is characterised in that comprise the following steps:
(1) three-phase voltage and current signal are connected to combining unit, and are connect three-phase voltage signal as reference phase voltage signal To oscillograph;
(2) combining unit is sampled to the three-phase voltage and current signal that access, and is exported to phase-controlled device;While phase selection Controller also accesses the clock sync signal of GPS clock source;
(3) when phase-controlled device is connected to separating brake or closing operation order, touched according to mains frequency and instruction due in output Signal, start phase selection or separating brake;
(4) trigger signal is input to oscillograph, and the trigger signal is compared with the reference phase voltage signal of input, from And obtain the option principle precision of phase-controlled device.
2. the phase-controlled device divide-shut brake method for testing precision of breaker according to claim 1, it is characterised in that:It is described Three-phase voltage and current signal in step (1) are sent by relay-protection tester.
3. the phase-controlled device divide-shut brake method for testing precision of breaker according to claim 1, it is characterised in that:Merge Unit is by sampled signal with SV forms output to phase-controlled device.
4. the phase-controlled device divide-shut brake method for testing precision of breaker according to claim 1, it is characterised in that:GPS The clock sync signal of clock source is with PTP forms output to phase-controlled device.
5. the phase-controlled device divide-shut brake method for testing precision of breaker according to claim 1, it is characterised in that:Phase selection The separating brake or closing operation order that controller is connected to are GOOSE signals.
CN201410376387.0A 2014-08-01 2014-08-01 A kind of phase-controlled device option principle method for testing precision of breaker CN104331060B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410376387.0A CN104331060B (en) 2014-08-01 2014-08-01 A kind of phase-controlled device option principle method for testing precision of breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410376387.0A CN104331060B (en) 2014-08-01 2014-08-01 A kind of phase-controlled device option principle method for testing precision of breaker

Publications (2)

Publication Number Publication Date
CN104331060A CN104331060A (en) 2015-02-04
CN104331060B true CN104331060B (en) 2017-07-07

Family

ID=52405806

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410376387.0A CN104331060B (en) 2014-08-01 2014-08-01 A kind of phase-controlled device option principle method for testing precision of breaker

Country Status (1)

Country Link
CN (1) CN104331060B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105021868A (en) * 2015-07-20 2015-11-04 国家电网公司 Simple method for measuring high-voltage circuit breaker switching-on overvoltage on site

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101825672A (en) * 2010-05-13 2010-09-08 四川电力试验研究院 Phase selection switching-in tester with breaker pre-breakdown model
CN102510131A (en) * 2011-11-03 2012-06-20 四川电力科学研究院 Method and device for testing overall performance of intelligent transformer substation
CN103050323A (en) * 2011-10-14 2013-04-17 常州市明及电气技术开发有限公司 Opening and closing speed monitoring method of intelligent vacuum circuit breaker
CN103176142A (en) * 2013-02-26 2013-06-26 中国电力科学研究院 Grid-connection adaptability testing system and method for photovoltaic power stations
CN203191816U (en) * 2013-03-26 2013-09-11 国家电网公司 Test system for automatic control equipment of power distribution network
CN103792508A (en) * 2014-01-27 2014-05-14 国家电网公司 Error test system and method for digitized metering device
WO2014101275A1 (en) * 2012-12-28 2014-07-03 辽宁省电力有限公司 Electronic transformer overall detection and evaluation system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101825672A (en) * 2010-05-13 2010-09-08 四川电力试验研究院 Phase selection switching-in tester with breaker pre-breakdown model
CN103050323A (en) * 2011-10-14 2013-04-17 常州市明及电气技术开发有限公司 Opening and closing speed monitoring method of intelligent vacuum circuit breaker
CN102510131A (en) * 2011-11-03 2012-06-20 四川电力科学研究院 Method and device for testing overall performance of intelligent transformer substation
WO2014101275A1 (en) * 2012-12-28 2014-07-03 辽宁省电力有限公司 Electronic transformer overall detection and evaluation system
CN103176142A (en) * 2013-02-26 2013-06-26 中国电力科学研究院 Grid-connection adaptability testing system and method for photovoltaic power stations
CN203191816U (en) * 2013-03-26 2013-09-11 国家电网公司 Test system for automatic control equipment of power distribution network
CN103792508A (en) * 2014-01-27 2014-05-14 国家电网公司 Error test system and method for digitized metering device

Also Published As

Publication number Publication date
CN104331060A (en) 2015-02-04

Similar Documents

Publication Publication Date Title
CN103986385B (en) Method for restraining no-load closing magnetizing inrush current of transformer
US9140756B2 (en) Measuring device for checking an electrical circuit breaker
CN103529418B (en) Synchronous phase measuring in power system device dynamic testing method and device
CN100568011C (en) Generator injected type stator ground protection combination type analog experiment panel and test method
CN100554983C (en) Broadband UHF local discharge signal and pattern generator
CN102608388B (en) VFTO (very fast transient overvoltage) measurement method and system
CN103033789B (en) The quiet dynamic test system of a kind of synchronous phasor measurement unit PMU
CN102790429A (en) On-line intelligent monitoring module for intelligent transformer substation GISs (gas insulated switchgear)
WO2017071413A1 (en) Synthesis circuit and method for testing direct current circuit breaker by means of composite injection of high voltage and large current
CN202159106U (en) Intelligent tester with intelligent power grid self-healing control technology
CN201569703U (en) Dynamic resistance measuring device of high-voltage circuit breaker
CN105098744A (en) Bus residual voltage maintenance device
CN201893058U (en) Safe simulation training system for distribution room
CN101546906A (en) Method for fault line selection of electric distribution network by using S transformation energy relative entropy
CN103176142B (en) A kind of photovoltaic electric station grid connection adaptive testing method
CN101504449B (en) Experiment tester for spare power automatic switching apparatus
Vanfretti et al. A software development toolkit for real-time synchrophasor applications
Castello et al. A new IED with PMU functionalities for electrical substations
RU2563970C2 (en) Circuit breaker control device and control methods
Knezev et al. Automated circuit breaker monitoring
CN101339229A (en) High-voltage circuit-breaker status on-line monitoring method based on synchronous sampling
CN100550565C (en) Power system safety stabilization emergency control policy automatically matching method
JP5044188B2 (en) Magnetic flux measuring device for static induction electrical equipment, magnetic flux measuring method, and synchronous switching control device for circuit breaker
CN104237751B (en) Device for testing power frequency follow current intercepting capability of lightning protection device
MX2009004667A (en) Automated arc generator and method to repeatably generate electrical arcs for afci testing.

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant