CN107505563B - Testing method for optical difference protection joint debugging - Google Patents
Testing method for optical difference protection joint debugging Download PDFInfo
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- CN107505563B CN107505563B CN201710825588.8A CN201710825588A CN107505563B CN 107505563 B CN107505563 B CN 107505563B CN 201710825588 A CN201710825588 A CN 201710825588A CN 107505563 B CN107505563 B CN 107505563B
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- relay protection
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- debugging
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- 230000003287 optical effect Effects 0.000 title claims abstract description 42
- 238000012360 testing method Methods 0.000 title claims abstract description 16
- 239000013307 optical fiber Substances 0.000 claims abstract description 21
- 238000010998 test method Methods 0.000 claims abstract description 13
- 230000001960 triggered effect Effects 0.000 claims abstract description 10
- 230000001012 protector Effects 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/282—Testing of electronic circuits specially adapted for particular applications not provided for elsewhere
- G01R31/2827—Testing of electronic protection circuits
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
- G08C23/04—Non-electrical signal transmission systems, e.g. optical systems using light waves, e.g. infrared
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
- G08C23/06—Non-electrical signal transmission systems, e.g. optical systems through light guides, e.g. optical fibres
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Optical Communication System (AREA)
Abstract
The invention relates to the technical field of optical differential protection, in particular to a test method for optical differential protection joint debugging. The technical scheme of the invention is as follows: a test method for optical differential protection joint debugging is characterized in that a local side optical fiber differential protection device is connected with a local side relay protection tester, an opposite side optical fiber differential protection device is connected with an opposite side relay protection tester, a normally open contact of an action starting loop of the local side relay protection tester is connected with an action starting loop of the opposite side relay protection tester through a debugging special line, a local side optical transceiver, a standby optical fiber channel, an opposite side optical transceiver and a debugging special line, when the relay protection tester at the side is triggered to act, the normally open contact of the action starting circuit of the relay protection tester at the side is closed, then the action starting loop of the opposite side relay protection tester is closed, the relay protection testers on the two sides simultaneously act and output fault quantity, single-side operation is achieved, the two side protectors are simultaneously triggered to act, and the problem of synchronization of the two sides during an optical differential protection joint debugging test is solved.
Description
Technical Field
The invention relates to the technical field of optical differential protection, in particular to a test method for optical differential protection joint debugging. Background
The existing test method for optical differential protection joint debugging is that debugging personnel on two sides contact with a telephone, a relay protection tester on two sides is manually triggered to output fault quantity according to a password, the action condition of optical differential protection devices on two sides is checked by simulating line faults, and the purpose of an experiment is achieved. Because the debugging personnel on the two sides carry out manual triggering according to the password, the operation synchronism of the debugging personnel on the two sides cannot be ensured, the judgment of the debugging personnel on the test result is further influenced, and the true purpose of optical differential protection joint debugging cannot be achieved.
Disclosure of Invention
The invention aims to solve the problems and provides a test method of optical differential protection joint debugging, which has the functions of being beneficial to solving the synchronization problem of two sides during the optical differential protection joint debugging test, utilizing an optical transceiver and a standby optical fiber channel to connect relay protection testers at two ends, realizing single-side operation and simultaneously triggering the testers at two sides to act, enabling the test to be closer to a real fault and ensuring accurate data.
The technical scheme of the invention is as follows: a test method for optical differential protection joint debugging is characterized in that an optical transceiver and a standby optical fiber channel are used for connecting two-end relay protection testers, single-side operation is achieved, the two-side testers are triggered to act simultaneously, a test is closer to a real fault, and data are accurate.
The test method of the optical differential protection joint debugging is characterized in that a local side optical fiber differential protection device of the test method of the optical differential protection joint debugging is connected with a local side relay protection tester and an opposite side optical fiber differential protection device is connected with an opposite side relay protection tester, a normally open contact of a local side relay protection tester action starting loop is connected with an opposite side relay protection tester action starting loop through a debugging special line, a local side optical transceiver, a standby optical fiber channel, an opposite side optical transceiver and a debugging special line, when the local side relay protection tester is triggered to act, the normally open contact of the local side relay protection tester action starting loop is closed, the opposite side relay protection tester action starting loop is closed, the two side relay protection testers act simultaneously and output fault amount, and the single side operation and the simultaneous triggering of the two side protection testers are realized, the problem of synchronization of both sides during the test of the differential light protection joint debugging is solved.
The invention has the beneficial effects that:
the test method for the optical differential protection joint debugging solves the problem of synchronization of two sides during the optical differential protection joint debugging test.
The optical differential protection joint debugging test method has the advantages that the optical transceiver and the standby optical fiber channel are used for connecting the relay protection testers at two ends, one-side operation is realized, the two-side protection testers are triggered to act at the same time, the test is closer to a real fault, and the data is accurate.
The problem that fault quantity output of the two-side protection tester is asynchronous when the optical differential protection is jointly adjusted is effectively solved, synchronous triggering of the two-side protection tester by single-side operation is achieved, the method is simple, and applicability is strong.
Description of the drawings:
FIG. 1 is a block diagram of a signal transmission module according to the present invention.
Fig. 2 is a connection logic diagram of relay protection testers at two sides of the optical difference protection joint debugging.
In the figure: 1. the system comprises a local side optical fiber differential protection device, 2 an opposite side optical fiber differential protection device, 3 an optical fiber channel, 4 a standby optical fiber channel, 5 a local side optical transceiver, 6 an opposite side optical transceiver, 7 a local side relay protection tester, 8 an opposite side relay protection tester, 9 a debugging special line, 10 a debugging special line.
The present invention is described in further detail below with reference to specific embodiments.
The specific implementation mode is as follows:
example 1
Referring to the attached drawings 1-2, the test method of the optical differential protection joint debugging is characterized in that an optical transceiver and a standby optical fiber channel are used for connecting relay protection testers at two ends, so that one-side operation is realized, the two-side testers are triggered to act at the same time, the test is closer to a real fault, and the data is accurate.
The testing method of the optical differential protection joint debugging is characterized in that the local side optical fiber differential protection device 1 and the local side relay protection tester 7 and the opposite side optical fiber differential protection device 2 of the testing method of the optical differential protection joint debugging are connected with the opposite side relay protection tester 8, the normally open contact of the action starting loop of the local side relay protection tester 7 is connected with the action starting loop of the opposite side relay protection tester 8 through a debugging special line 9, the local side optical transceiver 5, a standby optical fiber channel 4, the opposite side optical transceiver 6 and a debugging special line 10, when the local side relay protection tester 7 is triggered to act, the normally open contact of the action starting loop of the local side relay protection tester 7 is closed, the action starting loop of the opposite side relay protection tester 8 is closed, the relay protection testers on both sides act simultaneously and output fault amount, so that the single-side operation can trigger the actions of the two side protection testers simultaneously, the problem of synchronization of both sides during the test of the differential light protection joint debugging is solved.
The above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, and any simple modifications or equivalent substitutions of the technical solutions that can be obviously obtained by those skilled in the art within the technical scope of the present invention are within the scope of the present invention.
Claims (1)
1. A test method of optical differential protection joint debugging is characterized in that an optical transceiver and a standby optical fiber channel are used for connecting relay protection testers at two ends, so that unilateral operation is realized, and the testers at two sides are triggered to act at the same time, so that the test is closer to a real fault, and the data is accurate;
the local side optical fiber differential protection device (1) and the local side relay protection tester (7) and the opposite side optical fiber differential protection device (2) of the optical differential protection joint debugging test method are connected with the opposite side relay protection tester (8), a normally open contact of an action starting loop of the local side relay protection tester (7) is connected with an action starting loop of the opposite side relay protection tester (8) through a debugging special line (9), a local side optical transceiver (5), a standby optical fiber channel (4), an opposite side optical transceiver (6) and a debugging special line (10), when the local side relay protection tester (7) is triggered to act, the normally open contact of the action starting loop of the local side relay protection tester (7) is closed, the action starting loop of the opposite side relay protection tester (8) is closed, the relay protection testers on two sides act simultaneously and output fault quantities, the operation of single side and the simultaneous triggering of two-side protection instruments are realized, and the synchronization problem of two sides during the optical differential protection joint debugging test is solved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710825588.8A CN107505563B (en) | 2017-09-14 | 2017-09-14 | Testing method for optical difference protection joint debugging |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710825588.8A CN107505563B (en) | 2017-09-14 | 2017-09-14 | Testing method for optical difference protection joint debugging |
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| Publication Number | Publication Date |
|---|---|
| CN107505563A CN107505563A (en) | 2017-12-22 |
| CN107505563B true CN107505563B (en) | 2020-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710825588.8A Active CN107505563B (en) | 2017-09-14 | 2017-09-14 | Testing method for optical difference protection joint debugging |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1543033A (en) * | 2003-11-06 | 2004-11-03 | 北京四方继保自动化有限公司 | Far loopback testing technique for circuit longitudinal differential protection |
| CN102721882A (en) * | 2012-06-18 | 2012-10-10 | 辽宁省电力有限公司营口供电公司 | Intelligent and conventional transformer substation optical fiber longitudinal difference protection channel joint debugging test method |
| CN103293414A (en) * | 2013-05-21 | 2013-09-11 | 国家电网公司 | Intelligent substation protection device synchronization performance test system and method based on GPS (globe positioning system) accurate time synchronization technology |
| CN104897981A (en) * | 2015-03-23 | 2015-09-09 | 国网辽宁省电力有限公司锦州供电公司 | Longitudinal differential protection synchronization remote test method |
-
2017
- 2017-09-14 CN CN201710825588.8A patent/CN107505563B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1543033A (en) * | 2003-11-06 | 2004-11-03 | 北京四方继保自动化有限公司 | Far loopback testing technique for circuit longitudinal differential protection |
| CN102721882A (en) * | 2012-06-18 | 2012-10-10 | 辽宁省电力有限公司营口供电公司 | Intelligent and conventional transformer substation optical fiber longitudinal difference protection channel joint debugging test method |
| CN103293414A (en) * | 2013-05-21 | 2013-09-11 | 国家电网公司 | Intelligent substation protection device synchronization performance test system and method based on GPS (globe positioning system) accurate time synchronization technology |
| CN104897981A (en) * | 2015-03-23 | 2015-09-09 | 国网辽宁省电力有限公司锦州供电公司 | Longitudinal differential protection synchronization remote test method |
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| CN107505563A (en) | 2017-12-22 |
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