CN108448539A - A kind of active anti-misoperation method of intelligent substation relay protection - Google Patents
A kind of active anti-misoperation method of intelligent substation relay protection Download PDFInfo
- Publication number
- CN108448539A CN108448539A CN201810045675.6A CN201810045675A CN108448539A CN 108448539 A CN108448539 A CN 108448539A CN 201810045675 A CN201810045675 A CN 201810045675A CN 108448539 A CN108448539 A CN 108448539A
- Authority
- CN
- China
- Prior art keywords
- state
- pressing plate
- protective relaying
- relaying device
- abnormal
- 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.)
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Classifications
-
- 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
- H02H7/22—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 for distribution gear, e.g. bus-bar systems; for switching devices
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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
-
- 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
Abstract
The present invention provides a kind of active anti-misoperation methods of intelligent substation relay protection, carry out protective relaying device condition diagnosing, and whether judgement protective relaying device is in normal condition；When protective relaying device is in abnormal condition, judge whether protective relaying device pressing plate state, relevant apparatus state and primary equipment operating status state rule corresponding with normal condition match, finds abnormal pressing plate；Operation preview is carried out to abnormal pressing plate, and issues corresponding operational order after previewing successfully；The operational order is executed, protective relaying device is made to enter normal condition.Solve the problems, such as that anomaly analysis is not comprehensive in the active anti-misoperation method of protective relaying device in the prior art, reliability is not high.
Description
Technical field
The present invention relates to a kind of active anti-misoperation methods of intelligent substation relay protection, for preventing intelligent substation relay
The soft pressing plate of protective device, which leaks, to be thrown, leaks and move back caused substation exception power cut problem, belongs to intelligent substation of electric power system synthesis certainly
Dynamicization field.
Background technology
With the development of intelligent substation, protective relaying device uses networking, intellectualized technology, information transmission side
Formula is become the digital data transmission of optical fiber from the electric signal transmission of normal cable, and the hard pressing plate of the hard pressing plate of apparatus function and outlet all turns
It is changed to soft pressing plate, these changes reduce the engineering configuration complexity and operation complexity of protective relaying device, but also band simultaneously
Some problems are carried out.Since protective relaying device is without physical terminal and line, information is all hidden in a fiber, simultaneously because secondary
Empty circuit pressing plate data are more, it is not intuitive, without apparent electrical break point, easily cause miscarrying, the operations such as leakage is thrown, lead to relay protection
The problems such as error action of device or defencive function are latched, influences power grid security reliability service.
If Li Peng is publishing on October 1st, 2017《It the anti-error technical research of intelligent substation relay protection O＆M and answers
With》, in electric power system protection and control, the reason of operation for intelligent substation relay protection O＆M operational requirements and O＆M,
A kind of relay protection O＆M intelligent error preventing method is proposed, for this method based on the anti-error technology of active synthesis, fusion is primary
The operating status of equipment and secondary device establishes the active safety mechanism of covering substation all devices control operation, substation
The control operation of interior any appliance could export after having to pass through comprehensive anti-error logic judgment.But this method is only in anti-error rule
Comprehensive secondary device operating mode, equipment need to be operated according to the anit-misoperation rules of itself in then.Thus, although being capable of anti-locking apparatus pressure
The problem of device caused by plate maloperation is switched to abnormality, but the shape for caused by the factor except protective relaying device
State is abnormal, and there is no solve.Also, only it is to describe various comprehensive anit-misoperation rules in the document, without to specifically how real
Existing active anti-error method is introduced, and therefore, is badly in need of a kind of substation relay protection master that can be suitable for engineering construction
Dynamic formula anti-misoperation method.
Invention content
The present invention proposes a kind of active anti-misoperation method of intelligent substation relay protection, it is therefore intended that solves the prior art
In, only have the problem of theoretical contact is without set of system, reliable scheme in the active anti-misoperation method of protective relaying device.
To achieve the goals above, the present invention provides a kind of active anti-misoperation methods of intelligent substation relay protection, i.e.,
Scheme one, includes the following steps：
1) protective relaying device condition diagnosing is carried out, whether judgement protective relaying device is in normal condition；
2) when protective relaying device is in abnormal condition, judge protective relaying device pressing plate state, relevant apparatus shape
Whether state and primary equipment operating status state rule corresponding with normal condition match, to find abnormal pressing plate；
3) operation preview is carried out to abnormal pressing plate, and issues corresponding operational order after previewing successfully；
4) operational order is executed, protective relaying device is made to enter normal condition.
Scheme two：On the basis of scheme one, the normal condition includes：Run mode, exits state and maintenance at signal state
State.
Scheme three：On the basis of scheme one, in step 3), if operated to abnormal pressing plate, make protective device
Reach normal condition, and pressing plate is not carried out locking, then issues operational order.
Scheme four：On the basis of scheme one, in step 3), while issuing corresponding operational order, operation is sent
Reason and the alarm solved the problems, such as.
The present invention is by when protective relaying device is in abnormal condition, by primary equipment operating status, pressing plate
Throwing state and associated apparatus state carry out comprehensive diagnos, analyze the reason of leading to protective relaying device abnormal condition, go forward side by side
Row operation preview actively corrects abnormal pressing plate throwing and moves back state.It realizes to the pressing plate of security risk may be caused to miscarry, leak and move back
Phenomenon actively remedy, while having considered the letters such as device internal pressure board status, primary equipment state, relevant device state
Breath, to obtain a kind of active anti-misoperation method of the substation being applied particularly in engineering construction, realizes comprehensive, effective
Anti-error analysis effectively raises the reliability of relay protection, keeps power grid safe and reliable.
Description of the drawings
Fig. 1 is the corresponding unit state rule schema of four kinds of states；
Fig. 2 is active anti-error process flow of the present invention；
Fig. 3 is bus arrangement mode.
Specific implementation mode
According to protective relaying device pressing plate state and primary equipment operating status, protective relaying device can be divided into operation
State, signal state exit state and maintenance state, and the rule of each state is as shown in Figure 1.
Under normal circumstances, protective relaying device can be only in run mode, signal state, exit state, overhaul a kind of shape in state
State, the anti-misoperation logical operation of protective relaying device can device caused by anti-locking apparatus misoperation be switched to it is improper
State, but can not be except anti-locking apparatus variation caused by it is abnormal, therefore, the present invention proposes a kind of intelligent substation relay and protects
Protect active anti-misoperation method.
By the way that protective relaying device condition diagnosing, the state of current protective relaying device can be calculated in real time.
If device is in nondeterministic statement, starts actively anti-error analysis immediately, pass through analytical equipment pressing plate state, phase
It closes unit state and whether primary equipment operating status state rule corresponding with normal condition matches, to find out abnormal state
Pressing plate.
Operation preview is carried out to abnormal pressing plate, if device can reach normal condition after operated clamp and pressing plate is grasped
Make non-latching, then previews success, operational order can be issued.
Operation command, and the alarm for sending operation reason and solving the problems, such as.
Based on these steps, realizes to leak the pressing plate for being likely to cause security risk and throw, leak and move back phenomenon progress active benefit
It rescues, effectively increases the security reliability of intelligent substation O＆M.
According to the mode of connection as shown in Figure 3, by detection device status discovery, turnaround of unit pressing plate exits, protects work(
Can pressing plate input, GOOSE receive/send pressing plate input, associated apparatus maintenance pressing plate input, SV receive pressing plate input, obtain after
Electrical protective device is in abnormal condition；
Pass through comprehensive analysis device pressing plate state, relevant apparatus state and primary equipment running state information and normal service
Whether the corresponding state rule of state matches, and analyzes abnormal pressing plate state.Above-mentioned abnormal condition reason is analyzed,
Obtain may be associated apparatus maintenance malposition or SV press plate positions it is abnormal, stop using as a servant shape by analyzing primary equipment and being in
State, it can be deduced that SV pressing plates should be at exiting state, and current position has exception, needs to exit pressing plate；
Next, receiving pressing plate execution to the SV for thinking to be abnormal exits operation preview, and after exiting SV reception pressing plates, dress
Setting will be in operating status, and SV reception pressing plates are non-latching, then it represents that abnormal phenomenon can be solved after operating the exception pressing plate,
So this time operation previews successfully.
The alarm for after operation previews successfully, issuing corresponding operational order, and sending operation reason and solving the problems, such as, such as
" because primary equipment stops labour, combining unit maintenance, protective device SV reception pressing plates in position is closed, unit protection function is caused to be latched,
Accident range may be expanded in equipment fault.It exits after SV receives pressing plate and solves defencive function latch-up problem ".
As a further refinement of the present invention, clamp operation described above must meet the anit-misoperation rules of equipment itself
(such as proofing rules), equipment state itself is normal after operation, otherwise lock operation.
As the further improvement to the present invention, it further includes primary equipment that operation, which previews the dbjective state successfully reached,
Match with the operating status of secondary device, otherwise lock operation.
Specific embodiment is presented above, but the present invention is not limited to described embodiment.The base of the present invention
This thinking is above-mentioned basic scheme, and for those of ordinary skill in the art, various changes are designed in introduction according to the present invention
The model of shape, formula, parameter do not need to spend creative work.It is right without departing from the principles and spirit of the present invention
The change, modification, replacement and modification that embodiment carries out are still fallen in protection scope of the present invention.
Claims (4)
1. a kind of active anti-misoperation method of intelligent substation relay protection, which is characterized in that include the following steps：
1) protective relaying device condition diagnosing is carried out, whether judgement protective relaying device is in normal condition；
2) when protective relaying device is in abnormal condition, judge protective relaying device pressing plate state, relevant apparatus state and
Whether primary equipment operating status state rule corresponding with normal condition matches, to find abnormal pressing plate；
3) operation preview is carried out to abnormal pressing plate, and issues corresponding operational order after previewing successfully；
4) operational order is executed, protective relaying device is made to enter normal condition.
2. the active anti-misoperation method of intelligent substation relay protection according to claim 1, which is characterized in that described normal
State includes：Run mode, signal state exit state and maintenance state.
3. the active anti-misoperation method of intelligent substation relay protection according to claim 1, which is characterized in that step 3)
In, if operated to abnormal pressing plate, so that protective device is reached normal condition, and pressing plate is not carried out locking, then issues
Operational order.
4. the active anti-misoperation method of intelligent substation relay protection according to claim 1, which is characterized in that step 3)
In, while issuing corresponding operational order, send the alarm for operating reason and solving the problems, such as.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810045675.6A CN108448539A (en) | 2018-01-17 | 2018-01-17 | A kind of active anti-misoperation method of intelligent substation relay protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810045675.6A CN108448539A (en) | 2018-01-17 | 2018-01-17 | A kind of active anti-misoperation method of intelligent substation relay protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108448539A true CN108448539A (en) | 2018-08-24 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810045675.6A Pending CN108448539A (en) | 2018-01-17 | 2018-01-17 | A kind of active anti-misoperation method of intelligent substation relay protection |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102801216A (en) * | 2012-09-06 | 2012-11-28 | 上海欣影电力科技发展有限公司 | Intelligent substation inspection system |
| CN106680634A (en) * | 2016-12-30 | 2017-05-17 | 国家电网公司 | Intelligent relay protection safety measure warning method for intelligent substations |
| CN107332349A (en) * | 2017-08-11 | 2017-11-07 | 国网山东省电力公司泰安供电公司 | A kind of online O＆M method and system of secondary equipment of intelligent converting station |
| CN107546854A (en) * | 2017-09-12 | 2018-01-05 | 国家电网公司 | Transformer station's pressing plate method for preventing misoperation and device |
-
2018
- 2018-01-17 CN CN201810045675.6A patent/CN108448539A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102801216A (en) * | 2012-09-06 | 2012-11-28 | 上海欣影电力科技发展有限公司 | Intelligent substation inspection system |
| CN106680634A (en) * | 2016-12-30 | 2017-05-17 | 国家电网公司 | Intelligent relay protection safety measure warning method for intelligent substations |
| CN107332349A (en) * | 2017-08-11 | 2017-11-07 | 国网山东省电力公司泰安供电公司 | A kind of online O＆M method and system of secondary equipment of intelligent converting station |
| CN107546854A (en) * | 2017-09-12 | 2018-01-05 | 国家电网公司 | Transformer station's pressing plate method for preventing misoperation and device |
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Application publication date: 20180824 |