CN106094495A - Intelligent electronic equipment of transformer substation timing tracking accuracy and the method for testing of punctual precision - Google Patents
Intelligent electronic equipment of transformer substation timing tracking accuracy and the method for testing of punctual precision Download PDFInfo
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- CN106094495A CN106094495A CN201610420556.5A CN201610420556A CN106094495A CN 106094495 A CN106094495 A CN 106094495A CN 201610420556 A CN201610420556 A CN 201610420556A CN 106094495 A CN106094495 A CN 106094495A
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- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G7/00—Synchronisation
Abstract
The invention discloses a kind of intelligent electronic equipment of transformer substation timing tracking accuracy and the method for testing of punctual precision, the method of testing of intelligent electronic equipment of transformer substation timing tracking accuracy: step 1, by integrated automation of transformation stations tester pair time interface be connected with standard time source, tested IED equipment is connected with internal clock source, station, the hard pressing plate upper and lower end that overhauls of tested IED equipment is connected with the positive and negative end of the idle contact of integrated automation of transformation stations tester respectively；When step 2, integrated automation of transformation stations tester are carried out pair by standard time source, when tested IED equipment is carried out pair by internal clock source, station；Step 3, integrated automation of transformation stations tester close at T1 time trigger idle contact；Step 4, tested IED equipment receive idle contact closure signal, produce SOE record, and the SOE record time is T2；Step 5, the absolute value of calculating T1 T2, be the timing tracking accuracy of tested IED equipment.Method of testing is simple and convenient, and measuring accuracy is high.
Description
Technical field
The present invention relates to a kind of intelligent electronic equipment of transformer substation timing tracking accuracy and the method for testing of punctual precision.
Background technology
The accuracy of power system time synchronized is to ensure that Operation of Electric Systems controls and the important foundation bar of accident analysis
Part, its Core Feature is to provide time synchronized function services for transient state, dynamic, steady state data collection and electric network fault analysis.Become
Power station clock synchronization system provides time service source for secondary device in station, at present for intelligent electronic device (IED) time synchronized essence
The test of degree and punctual precision lacks simple and convenient method of testing.
Summary of the invention
For the problems referred to above, the present invention provides a kind of intelligent electronic equipment of transformer substation timing tracking accuracy and punctual precision
Method of testing, method of testing is simple and convenient, and measuring accuracy is high, can apply to substation secondary device factory inspection and acceptance and tests and existing
Field Acceptance Test.
For realizing above-mentioned technical purpose, reaching above-mentioned technique effect, the present invention is achieved through the following technical solutions:
The method of testing of intelligent electronic equipment of transformer substation timing tracking accuracy, it is characterised in that comprise the steps:
Step 1, by integrated automation of transformation stations tester pair time interface be connected with standard time source, tested IED is set
For being connected with the internal clock source, station of transformer station, the maintenance hard pressing plate upper end of tested IED equipment is surveyed with the integrated automation of transformation stations
The anode of the idle contact of examination instrument is connected, by the maintenance hard pressing plate lower end of tested IED equipment and integrated automation of transformation stations tester
Idle contact negative terminal be connected；
When step 2, integrated automation of transformation stations tester are carried out pair by standard time source, tested IED equipment is by station
When internal clock source is carried out pair；
Step 3, integrated automation of transformation stations tester close at T1 time trigger idle contact；
Step 4, tested IED equipment receive idle contact closure signal, produce SOE record, and the SOE record time is T2；
Step 5, the absolute value of calculating T1 T2, be the timing tracking accuracy of tested IED equipment.
Intelligent electronic equipment of transformer substation is kept time the method for testing of precision, it is characterised in that comprise the steps:
Step a, by integrated automation of transformation stations tester pair time interface be connected with standard time source, tested IED is set
For being connected with the internal clock source, station of transformer station, the maintenance hard pressing plate upper end of tested IED equipment is surveyed with the integrated automation of transformation stations
The anode of the idle contact of examination instrument is connected, by the maintenance hard pressing plate lower end of tested IED equipment and integrated automation of transformation stations tester
Idle contact negative terminal be connected；
When step b, integrated automation of transformation stations tester are carried out pair by standard time source, tested IED equipment is by station
When internal clock source is carried out pair；
Step c, disconnect the internal clock source, station of tested IED equipment, make tested IED equipment enter punctual pattern；
Step d, integrated automation of transformation stations tester close at T3 time trigger idle contact；
Step e, tested IED equipment receive idle contact closure signal, produce SOE record, and the SOE record time is T4；
Step f, the absolute value of calculating T3 T4, be the punctual precision of tested IED equipment.
The invention has the beneficial effects as follows:
The present invention provides one to utilize IED overhaul of the equipments hard pressing plate to open into, concatenation integrated automation of transformation stations tester
Outputing idle contact, the Guan Bi controlling to output idle contact makes IED equipment generation SOE event come testing time synchronization accuracy and punctual essence
The method of testing of degree, can solve the test of substation secondary device factory inspection and acceptance and onsite acceptance test without effectively surveying by the method
The problem of trial work section, improves testing efficiency and measuring accuracy.
Accompanying drawing explanation
Fig. 1 is the structural representation of the method for testing of intelligent electronic equipment of transformer substation timing tracking accuracy of the present invention；
Fig. 2 is that intelligent electronic equipment of transformer substation of the present invention is kept time the structural representation of method of testing of precision.
Detailed description of the invention
With specific embodiment, technical solution of the present invention is described in further detail below in conjunction with the accompanying drawings, so that ability
The technical staff in territory can be better understood from the present invention and can be practiced, but illustrated embodiment is not as the limit to the present invention
Fixed.
The method of testing of intelligent electronic equipment of transformer substation timing tracking accuracy, comprises the steps:
Step 1 as it is shown in figure 1, by integrated automation of transformation stations tester pair time interface be connected with standard time source, will
Tested IED equipment (Substation IED equipment includes measure and control device, protective relaying device, intelligent terminal, combining unit etc.) and power transformation
The internal clock source, station stood is connected, by the sky overhauling hard pressing plate upper end and integrated automation of transformation stations tester of tested IED equipment
The anode of contact is connected, by the idle contact overhauling hard pressing plate lower end and integrated automation of transformation stations tester of tested IED equipment
Negative terminal be connected.
Wherein standard time source receives satellite time source, external outputting standard time, integrated automation of transformation stations tester
By pair time interface accept standard time source pair time signal, pair time precision higher than the time precision of IEC equipment, transformer station is comprehensive
Automatic test instrument is connected with standard time source by hardwire IRIG B code.
When step 2, integrated automation of transformation stations tester are carried out pair by standard time source, tested IED equipment is by station
When internal clock source is carried out pair；
Step 3, integrated automation of transformation stations tester close at T1 time trigger idle contact, it is preferable that during idle contact Guan Bi
Between more than overhaul the hard pressing plate stabilization time.It addition, for the ease of calculating and reducing error, be preferably provided whole moment second, i.e. power transformation
Comprehensive automation tester of standing closes at whole second T1 time trigger idle contact.
Step 4, tested IED equipment receive idle contact closure signal, produce SOE (logout) record, during SOE record
Between be T2, can by IED device liquid crystal check SOE record the time or check on supervisory control of substation backstage SOE record the time.
Step 5, the absolute value of calculating T1 T2, be the timing tracking accuracy of tested IED equipment.
Corresponding, intelligent electronic equipment of transformer substation is kept time the method for testing of precision, comprises the steps:
Step a, by integrated automation of transformation stations tester pair time interface be connected with standard time source, tested IED is set
For being connected with the internal clock source, station of transformer station, the maintenance hard pressing plate upper end of tested IED equipment is surveyed with the integrated automation of transformation stations
The anode of the idle contact of examination instrument is connected, by the maintenance hard pressing plate lower end of tested IED equipment and integrated automation of transformation stations tester
Idle contact negative terminal be connected；
When step b, integrated automation of transformation stations tester are carried out pair by standard time source, tested IED equipment is by station
When internal clock source is carried out pair；
Step c, disconnect the internal clock source, station of tested IED equipment, make tested IED equipment enter punctual pattern, such as Fig. 2 institute
Show；
Step d, integrated automation of transformation stations tester close at T3 time trigger idle contact.Preferably, during idle contact Guan Bi
Between more than overhaul the hard pressing plate stabilization time.It addition, for the ease of calculating and reducing error, be preferably provided whole moment second, i.e. power transformation
Comprehensive automation tester of standing closes at whole second T3 time trigger idle contact.
Step e, tested IED equipment receive idle contact closure signal, produce SOE record, and the SOE record time is T4；
Step f, the absolute value of calculating T3 T4, be the punctual precision of tested IED equipment.
The present invention provides one to utilize IED overhaul of the equipments hard pressing plate to open into, concatenation integrated automation of transformation stations tester
Outputing idle contact, the Guan Bi controlling to output idle contact makes IED equipment generation SOE event come testing time synchronization accuracy and punctual essence
The method of testing of degree, can solve the test of substation secondary device factory inspection and acceptance and onsite acceptance test without effectively surveying by the method
The problem of trial work section, improves testing efficiency and measuring accuracy.Method of testing is simple and convenient, and measuring accuracy is high, can apply to become
Power station secondary device factory inspection and acceptance test and onsite acceptance test.
These are only the preferred embodiments of the present invention, not thereby limit the scope of the claims of the present invention, every utilize this
Equivalent structure or equivalence flow process that bright description and accompanying drawing content are made convert, or it is relevant to be directly or indirectly used in other
Technical field, be the most in like manner included in the scope of patent protection of the present invention.
Claims (6)
1. the method for testing of intelligent electronic equipment of transformer substation timing tracking accuracy, it is characterised in that comprise the steps:
Step 1, by integrated automation of transformation stations tester pair time interface be connected with standard time source, by tested IED equipment with
The internal clock source, station of transformer station is connected, by the maintenance hard pressing plate upper end of tested IED equipment and integrated automation of transformation stations tester
The anode of idle contact be connected, by the sky overhauling hard pressing plate lower end and integrated automation of transformation stations tester of tested IED equipment
The negative terminal of contact is connected；
When step 2, integrated automation of transformation stations tester are carried out pair by standard time source, tested IED equipment is by time in station
When Zhong Yuan is carried out pair；
Step 3, integrated automation of transformation stations tester close at T1 time trigger idle contact；
Step 4, tested IED equipment receive idle contact closure signal, produce SOE record, and the SOE record time is T2；
Step 5, the absolute value of calculating T1 T2, be the timing tracking accuracy of tested IED equipment.
The method of testing of intelligent electronic equipment of transformer substation timing tracking accuracy the most according to claim 1, it is characterised in that
Idle contact closing time is more than overhauling the hard pressing plate stabilization time.
The method of testing of intelligent electronic equipment of transformer substation timing tracking accuracy the most according to claim 2, it is characterised in that
The T1 moment is whole moment second.
4. intelligent electronic equipment of transformer substation is kept time the method for testing of precision, it is characterised in that comprise the steps:
Step a, by integrated automation of transformation stations tester pair time interface be connected with standard time source, by tested IED equipment with
The internal clock source, station of transformer station is connected, by the maintenance hard pressing plate upper end of tested IED equipment and integrated automation of transformation stations tester
The anode of idle contact be connected, by the sky overhauling hard pressing plate lower end and integrated automation of transformation stations tester of tested IED equipment
The negative terminal of contact is connected；
When step b, integrated automation of transformation stations tester are carried out pair by standard time source, tested IED equipment is by time in station
When Zhong Yuan is carried out pair；
Step c, disconnect the internal clock source, station of tested IED equipment, make tested IED equipment enter punctual pattern；
Step d, integrated automation of transformation stations tester close at T3 time trigger idle contact；
Step e, tested IED equipment receive idle contact closure signal, produce SOE record, and the SOE record time is T4；
Step f, the absolute value of calculating T3 T4, be the punctual precision of tested IED equipment.
Intelligent electronic equipment of transformer substation the most according to claim 4 is kept time the method for testing of precision, it is characterised in that sky connects
Point closing time is more than overhauling the hard pressing plate stabilization time.
Intelligent electronic equipment of transformer substation the most according to claim 5 is kept time the method for testing of precision, it is characterised in that during T3
Carve as whole moment second.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107703926A (en) * | 2017-11-13 | 2018-02-16 | 国网江苏省电力公司电力科学研究院 | A kind of network system protects fast cut back multi-point control time method of testing |
| CN107769836A (en) * | 2017-09-13 | 2018-03-06 | 长光卫星技术有限公司 | Satellite General automatic test platform and its data interactive method |
| CN112737877A (en) * | 2020-12-25 | 2021-04-30 | 国网江苏省电力有限公司苏州供电分公司 | Secondary equipment time setting state monitoring method and system |
| CN113567852A (en) * | 2021-08-10 | 2021-10-29 | 武汉映瑞电力科技有限公司 | Device and method for testing time deviation and time keeping precision of relay protection device |
| CN114063435A (en) * | 2021-11-17 | 2022-02-18 | 国网四川省电力公司广安供电公司 | Time synchronization instrument, and clock device detection method and system based on time synchronization instrument |
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| JP2006234544A (en) * | 2005-02-24 | 2006-09-07 | Toshiba Corp | Time synchronizer of supervisory control system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107769836A (en) * | 2017-09-13 | 2018-03-06 | 长光卫星技术有限公司 | Satellite General automatic test platform and its data interactive method |
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| CN107703926A (en) * | 2017-11-13 | 2018-02-16 | 国网江苏省电力公司电力科学研究院 | A kind of network system protects fast cut back multi-point control time method of testing |
| CN112737877A (en) * | 2020-12-25 | 2021-04-30 | 国网江苏省电力有限公司苏州供电分公司 | Secondary equipment time setting state monitoring method and system |
| CN113567852A (en) * | 2021-08-10 | 2021-10-29 | 武汉映瑞电力科技有限公司 | Device and method for testing time deviation and time keeping precision of relay protection device |
| CN114063435A (en) * | 2021-11-17 | 2022-02-18 | 国网四川省电力公司广安供电公司 | Time synchronization instrument, and clock device detection method and system based on time synchronization instrument |
| CN114063435B (en) * | 2021-11-17 | 2023-02-28 | 国网四川省电力公司广安供电公司 | Time synchronization instrument, and clock device detection method and system based on time synchronization instrument |
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| CN106094495B (en) | 2018-06-19 |
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