CN107769170A - The check method that a kind of main back-up protection definite value distant place decoupling is adjusted - Google Patents
The check method that a kind of main back-up protection definite value distant place decoupling is adjusted Download PDFInfo
- Publication number
- CN107769170A CN107769170A CN201710936234.0A CN201710936234A CN107769170A CN 107769170 A CN107769170 A CN 107769170A CN 201710936234 A CN201710936234 A CN 201710936234A CN 107769170 A CN107769170 A CN 107769170A
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- definite value
- protection definite
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- protection
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000001681 protective effect Effects 0.000 claims abstract description 34
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 230000008569 process Effects 0.000 claims description 2
- 230000004048 modification Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 208000032368 Device malfunction Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
- H02H7/262—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations involving transmissions of switching or blocking orders
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- H02J13/0006—
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention discloses the check method that a kind of main back-up protection definite value distant place decoupling is adjusted, comprise the following steps：Whether main protection definite value and the protective relaying device main protection definite value for checking main website end transmission first are consistent；Then check whether the back-up protection definite value that main website end is sent exceeds the preset threshold value of device back-up protection definite value；Whether the back-up protection definite value that finally check main website end is sent meets the logical relation between device back-up protection definite value；If the check result of 3 steps is to be above, protective relaying device renewal definite value；If it is no to have one or more check result in 3 steps above, protective relaying device does not update definite value and sends alarm signal.This check method can ensure that back-up protection definite value is adjusted in a main website end only distant place, ensure back-up protection definite value without departing from preset threshold value, meet logical relation between back-up protection definite value, improve accuracy and reliability that a protective relaying device protection definite value distant place is adjusted.
Description
Technical field
The present invention relates to field of relay protection in power, is solved more particularly, to an a kind of main back-up protection definite value distant place
The check method that coupling is adjusted.
Background technology
The correctness of relay protection device constant value has very important work to its correct action and the safe operation of power network
With.Protective relaying device has supported distant place modification definite value function substantially at present.But the information needed for distant place modification definite value is handed over
Mutual link is more, if the error of intermediate communication link or the error of protection device intercommunication buffer zone, may all cause mistake
Definite value input by mistake, so that protective relaying device malfunction or tripping.
Therefore, it is necessary to building an a set of perfect protection definite value distant place adjusts check method, to instruct to protect a definite value distant place
Check work is adjusted, improves accuracy and reliability that a protective relaying device protection definite value distant place is adjusted.
Chinese Patent Application No. CN201710166057.2, March 20 2017 applying date, publication number
CN107069957A, publication date August in 2017 18 days, a kind of entitled recording constant value remote online modification and check side
Method, including：Operational terminal operation is protected, point information is uploaded to operation operational terminal；Operational terminal operation is run, confirms protection
The point information that operational terminal uploads；Server issues fixed value list to fixed value list system remote；The wave recording device of regional
Definite value updates and is remotely back to server；The fixed value list contrast that the fixed value list of server and server issue is back to, is completed
The modification and check operation of recording definite value.The invention checks fixed value list in server, and now the definite value of device has updated, if checking
It was found that definite value mistake, device runs a period of time with the definite value of mistake.
In consideration of it, the present invention proposes the check method that a kind of main back-up protection definite value distant place decoupling is adjusted, by relay protection
Device is realized.
The content of the invention
The purpose of the present invention is to propose to the check method that a kind of main back-up protection definite value distant place decoupling is adjusted, instruct protection fixed
Check work is adjusted in a value distant place, improves accuracy and reliability that a protective relaying device protection definite value distant place is adjusted.
To realize above goal of the invention, the technical scheme of use is：
The check method that a kind of main back-up protection definite value distant place decoupling is adjusted, for the definite value text in protective relaying device
Part is checked, and is comprised the following steps：
S1：Whether main protection definite value and the protective relaying device main protection definite value for checking main website end transmission are consistent；
S2：Check whether the back-up protection definite value that main website end is sent exceeds the preset threshold value of device back-up protection definite value；
S3：Check whether the back-up protection definite value that main website end is sent meets that the logic between device back-up protection definite value is closed
System；
S4：If step S1-S3 check result is to be, protective relaying device renewal definite value；If step S1-S3
In there is one or more check result to be no, then protective relaying device does not update definite value and sends alarm signal.
Wherein described step S1-S3 check process is carried out in protective relaying device.
Wherein step S1 comprises the following steps
S1.1：If all main protection definite value Xiang Douyu devices main protection definite value items that main website end is sent are consistent, verification knot
Fruit is yes；
S1.2：If any one or several main protection definite value items that main website end is sent differ with device main protection definite value item
Cause, then check results are no.
Wherein step S2 comprises the following steps：
S2.1：If all back-up protection definite value items of main website end transmission threshold all preset without departing from device back-up protection definite value
Value, then check results are yes；
S2.2：If any one or several back-up protection definite value items that main website end is sent exceed device back-up protection definite value
Preset threshold value, then check results are no.
Wherein step S3 comprises the following steps：
S3.1：If all back-up protection definite value items that main website end is sent all meet the logic between device back-up protection definite value
Relation, then check results are yes；
S3.2：If any one or several back-up protection definite value items that main website end is sent are discontented with foot unit back-up protection and determined
Logical relation between value, then check results are no.
Compared with prior art, the beneficial effects of the invention are as follows：
The check method can ensure that back-up protection definite value is adjusted in a main website end only distant place, not change main protection definite value, simultaneously
Further strengthen the accuracy and reliability for adjusting definite value in a distant place
Brief description of the drawings
Fig. 1 is a kind of schematic diagram for the check method that main back-up protection definite value distant place decoupling is adjusted.
Embodiment
Accompanying drawing being given for example only property explanation, it is impossible to be interpreted as the limitation to this patent；
Below in conjunction with drawings and examples, the present invention is further elaborated.
Embodiment 1
Fig. 1 is refer to, Fig. 1 is a kind of schematic diagram for the check method that main back-up protection definite value distant place decoupling is adjusted.
Protective relaying device input " remote control input " pressing plate and " distant place modification definite value " pressing plate.Main website end is by under definite value file
Issue protective relaying device.After protective relaying device receives the definite value file sent at main website end, check work is proceeded by.
Protective relaying device checks the main protection definite value and protective relaying device main protection definite value that main website end is sent：If main website
Hold all main protection definite value Xiang Douyu protective relaying devices main protection definite value items sent consistent, be then designated as checking conditions 1 and meet；
If any one or several main protection definite value items and protective relaying device main protection definite value item that main website end is sent are inconsistent,
Checking conditions 1 are designated as to be unsatisfactory for.
The back-up protection definite value and protective relaying device back-up protection definite value that protective relaying device check main website end is sent are pre-
The threshold value put：If all back-up protection definite value items that main website end is sent are all preset without departing from protective relaying device back-up protection definite value
Threshold value, then be designated as checking conditions 2 and meet；If any one or several back-up protection definite value items that main website end is sent exceed after
The preset threshold value of electrical protective device back-up protection definite value, then it is designated as checking conditions 2 and is unsatisfactory for.
Protective relaying device checks the logical relation between the back-up protection definite value that main website end is sent：What if main website end was sent
All back-up protection definite value items all meet the logical relation between protective relaying device back-up protection definite value, then are designated as checking conditions
3 meet；If any one or several back-up protection definite value items that main website end is sent are unsatisfactory for protective relaying device back-up protection
Logical relation between definite value, then it is designated as checking conditions 3 and is unsatisfactory for.
When checking conditions 1-3 meets simultaneously, the definite value file that protective relaying device is sent according to main website end updates definite value；
When checking conditions 1-3 can not meet simultaneously, protective relaying device does not update definite value file, and sends alarm signal.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not pair
The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.It is all this
All any modification, equivalent and improvement made within the spirit and principle of invention etc., should be included in the claims in the present invention
Protection domain within.
Claims (5)
- A kind of 1. check method that main back-up protection definite value distant place decoupling is adjusted, for the definite value file in protective relaying device Checked, it is characterised in that comprise the following steps：S1：Whether main protection definite value and the protective relaying device main protection definite value for checking main website end transmission are consistent；S2：Check whether the back-up protection definite value that main website end is sent exceeds the preset threshold value of device back-up protection definite value；S3：Whether the back-up protection definite value that check main website end is sent meets the logical relation between device back-up protection definite value；S4：If step S1-S3 check result is to be, protective relaying device renewal definite value；If have in step S1-S3 One or more check result is no, then protective relaying device does not update definite value and sends alarm signal.
- 2. the check method that a kind of main back-up protection definite value distant place decoupling according to claim 1 is adjusted, it is characterised in that The check process of the step S1-S3 is carried out in protective relaying device.
- 3. the check method that a kind of main back-up protection definite value distant place decoupling according to claim 1 is adjusted, it is characterised in that Step S1 comprises the following stepsS1.1：If all main protection definite value Xiang Douyu devices main protection definite value items that main website end is sent are consistent, check results are It is；S1.2：If any one or several main protection definite value items and device main protection definite value item that main website end is sent are inconsistent, Then check results are no.
- 4. the check method that a kind of main back-up protection definite value distant place decoupling according to claim 1 is adjusted, it is characterised in that Step S2 comprises the following steps：S2.1：If all back-up protection definite value items of main website end transmission threshold value all preset without departing from device back-up protection definite value, Then check results are yes；S2.2：If any one or several back-up protection definite value items that main website end is sent are preset beyond device back-up protection definite value Threshold value, then check results are no.
- 5. the check method that a kind of main back-up protection definite value distant place decoupling according to claim 1 is adjusted, it is characterised in that Step S3 comprises the following steps：S3.1：If all back-up protection definite value items that main website end is sent all meet that the logic between device back-up protection definite value is closed System, then check results are yes；S3.2：If any one or several back-up protection definite value items that main website end is sent be discontented with foot unit back-up protection definite value it Between logical relation, then check results are no.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710936234.0A CN107769170B (en) | 2017-10-10 | 2017-10-10 | Checking method for remote decoupling and setting of main backup protection fixed value |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710936234.0A CN107769170B (en) | 2017-10-10 | 2017-10-10 | Checking method for remote decoupling and setting of main backup protection fixed value |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107769170A true CN107769170A (en) | 2018-03-06 |
| CN107769170B CN107769170B (en) | 2019-12-06 |
Family
ID=61267464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710936234.0A Active CN107769170B (en) | 2017-10-10 | 2017-10-10 | Checking method for remote decoupling and setting of main backup protection fixed value |
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| Country | Link |
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| CN (1) | CN107769170B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109066572A (en) * | 2018-08-30 | 2018-12-21 | 广东电网有限责任公司 | A kind of long-range setting method of relay protection constant value and device |
| CN110646687A (en) * | 2019-09-05 | 2020-01-03 | 深圳供电局有限公司 | Distance protection setting value field calibration system and method for power grid transmission line |
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| CN101719661A (en) * | 2009-12-04 | 2010-06-02 | 南京南瑞继保电气有限公司 | Definite value check method for high-voltage DC transportation control protecting system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109066572A (en) * | 2018-08-30 | 2018-12-21 | 广东电网有限责任公司 | A kind of long-range setting method of relay protection constant value and device |
| CN110646687A (en) * | 2019-09-05 | 2020-01-03 | 深圳供电局有限公司 | Distance protection setting value field calibration system and method for power grid transmission line |
| CN110646687B (en) * | 2019-09-05 | 2022-02-08 | 深圳供电局有限公司 | Distance protection setting value field calibration system and method for power grid transmission line |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107769170B (en) | 2019-12-06 |
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