CN111404266A - Remote fixed value intelligent comparison method, system and device - Google Patents

Remote fixed value intelligent comparison method, system and device Download PDF

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Publication number
CN111404266A
CN111404266A CN202010084315.4A CN202010084315A CN111404266A CN 111404266 A CN111404266 A CN 111404266A CN 202010084315 A CN202010084315 A CN 202010084315A CN 111404266 A CN111404266 A CN 111404266A
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CN
China
Prior art keywords
relay protection
fixed value
model
protection device
comparison
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.)
Pending
Application number
CN202010084315.4A
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Chinese (zh)
Inventor
陈倩男
张华宁
樊磊
吉祥
葛王飞
凤振宇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NARI Group Corp
Nari Technology Co Ltd
NARI Nanjing Control System Co Ltd
Original Assignee
NARI Group Corp
Nari Technology Co Ltd
NARI Nanjing Control System Co Ltd
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.)
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Application filed by NARI Group Corp, Nari Technology Co Ltd, NARI Nanjing Control System Co Ltd filed Critical NARI Group Corp
Priority to CN202010084315.4A priority Critical patent/CN111404266A/en
Publication of CN111404266A publication Critical patent/CN111404266A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • 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
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • 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
    • Y04S10/16—Electric power substations
    • 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
    • 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
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems
    • Y04S20/242—Home appliances

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)

Abstract

The invention discloses a remote fixed value intelligent comparison method, which comprises the steps of receiving a fixed value list sent by an OMS system; analyzing the constant value list to obtain a relay protection device model and a relay protection constant value model; carrying out model matching on the relay protection device; and responding to the successful matching of the relay protection device model, and comparing the relay protection constant value model. Corresponding systems and apparatus are also disclosed. The method realizes automatic on-line comparison of the setting fixed value and the field fixed value and real-time management of the fixed value of the protection device based on comparison of the relay protection device model and the relay protection fixed value model, is favorable for ensuring that the relay protection device can correctly and effectively act when a power system fails, and provides powerful support for reliable operation of a power grid.

Description

Remote fixed value intelligent comparison method, system and device
Technical Field
The invention relates to a remote fixed value intelligent comparison method, system and device, and belongs to the technical field of intelligent analysis and control of power systems.
Background
Along with the enhancement of the interconnection degree of the power system and the continuous development of the extra-high voltage power grid, the scale of the power system is continuously enlarged, the structure of the power grid is increasingly complex, the stable operation of the power grid faces a severe challenge, the relay protection is directly related to the stability and the safety of the operation of the power system, the relay protection constant value management work is well done, and the method is a basis and a precondition for ensuring the full play of the relay protection function. However, in the current relay protection constant value management, there are some defects and problems, which affect the accuracy of the constant value and cannot ensure that the relay protection device can correctly and effectively operate when the power system fails.
Disclosure of Invention
The invention provides a remote fixed value intelligent comparison method, a system and a device, which solve the problems disclosed in the background technology.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a remote fixed value intelligent comparison method comprises,
receiving a fixed value list sent by an OMS system;
analyzing the constant value list to obtain a relay protection device model and a relay protection constant value model;
carrying out model matching on the relay protection device;
and responding to the successful matching of the relay protection device model, and comparing the relay protection constant value model.
The relay protection device model comprises the name of a substation to which the relay protection device belongs, primary equipment information associated with the relay protection device and the model of the relay protection device; the relay protection constant value model comprises a constant value name and a constant value.
The process of performing model matching of the relay protection device is,
and comparing the relay protection device model content obtained through analysis of the fixed value list with the relay protection device model content provided by the information-guaranteeing main station system, and responding to the consistency of comparison of all the contents, so that the relay protection device model is successfully matched.
The comparison process of the relay protection constant value model is that,
comparing the fixed value name obtained by analyzing the fixed value list with the fixed value name provided by the information protection master station system;
responding to the consistency of the fixed value name comparison, and calling the fixed value to the relay protection device;
comparing the calling value with a fixed value obtained by analyzing the fixed value list;
and responding to the consistent comparison of the fixed values, and comparing the relay protection fixed value models consistently.
A remote fixed value intelligent comparison system comprises,
a constant value single receiving module: receiving a fixed value list sent by an OMS system;
a fixed value single analysis module: analyzing the constant value list to obtain a relay protection device model and a relay protection constant value model;
a relay protection device model matching module: carrying out model matching on the relay protection device;
a relay protection constant value model comparison module: and responding to the successful matching of the relay protection device model, and comparing the relay protection constant value model.
The relay protection device model comprises the name of a substation to which the relay protection device belongs, primary equipment information associated with the relay protection device and the model of the relay protection device; the relay protection constant value model comprises a constant value name and a constant value.
The model matching module of the relay protection device comprises a model matching module,
a content matching module: comparing the relay protection device model content obtained through analysis of the fixed value list with the relay protection device model content provided by the information-guaranteeing main station system;
a content comparison result module: and responding to the consistency of all the content comparisons, and successfully matching the relay protection device model.
The relay protection constant value model comparison module comprises,
a fixed value name comparison module: comparing the fixed value name obtained by analyzing the fixed value list with the fixed value name provided by the information protection master station system;
the calling module: responding to the consistency of the fixed value name comparison, and calling the fixed value to the relay protection device;
a fixed value comparison module: comparing the calling value with a fixed value obtained by analyzing the fixed value list;
a fixed value comparison result module: and responding to the consistent comparison of the fixed values, and comparing the relay protection fixed value models consistently.
A remote fixed value intelligent comparison device comprises,
a fixed value setting device: generating a fixed value list and a text fixed value, and sending the fixed value list and the text fixed value to an OMS device;
an OMS device: simultaneously, a fixed value list and a text fixed value are transferred, and when the execution flow of the text fixed value is finished, the fixed value list is sent to a relay protection online monitoring and analyzing device in real time;
the relay protection on-line monitoring and analyzing device comprises: the remote definite value intelligent comparison system is loaded for definite value comparison.
A computer readable storage medium storing one or more programs, the one or more programs comprising instructions, which when executed by a computing device, cause the computing device to perform a remote-valued intelligent comparison method.
The invention achieves the following beneficial effects: the method realizes automatic on-line comparison of the setting fixed value and the field fixed value and real-time management of the fixed value of the protection device based on comparison of the relay protection device model and the relay protection fixed value model, is favorable for ensuring that the relay protection device can correctly and effectively act when a power system fails, and provides powerful support for reliable operation of a power grid.
Drawings
FIG. 1 is a flow chart of the method of the present invention;
fig. 2 is an architecture diagram of the device of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1, a remote fixed value intelligent comparison method includes the following steps:
step 1, receiving a fixed value list sent by an OMS system.
The fixed value list is an XM L fixed value list and is generated by the fixed value setting device when generating a text fixed value.
The content of the XM L constant value list comprises a relay protection device model and a relay protection constant value model, wherein the relay protection device model comprises the name of a substation to which the relay protection device belongs, primary equipment information associated with the relay protection device and the model of the relay protection device, and the relay protection constant value model comprises a constant value name, a constant value unit and a constant value type.
And 2, analyzing the constant value list, and acquiring a relay protection device model and a relay protection constant value model, namely acquiring the content of each model.
And 3, matching models of the relay protection devices.
And comparing the relay protection device model content obtained through analysis of the fixed value list with the relay protection device model content provided by the information-guaranteeing main station system, and responding to the consistency of comparison of all the contents, so that the relay protection device model is successfully matched.
The specific process comprises the steps of matching the name of the substation to which the XM L constant value sheet belongs with the name of the substation to which the insurance master station system belongs, matching the name of primary equipment provided by the XM L constant value sheet with the name of primary equipment provided by the insurance master station system on the premise that the name of the substation to which the XM L constant value sheet belongs is successfully matched (namely, the comparison is consistent), matching the model of the relay protection device provided by the XM L constant value sheet (hereinafter referred to as 'A') with the model of the relay protection device provided by the insurance master station system (hereinafter referred to as 'B') under the condition that the primary equipment is successfully matched, matching the model of the relay protection device successfully, and failing to match any content.
The relay protection device model comparison rule is as follows:
a) normalizing the A and the B, removing special symbols such as < - >, "_ and blank spaces in the models, converting capital English letters into lowercase English letters, and then matching (namely one kind of character comparison);
b) if the models of the two sets of protection devices on the same line are the same, accurate judgment can be carried out by identifying the primary protection and the primary protection of the remark field in the XM L fixed value list.
Through the comparison of the sequence, a specific protection device can be matched, so that the premise of comparison of subsequent relay protection constant value models is met.
And 4, responding to the successful model matching of the relay protection device, and comparing the relay protection constant value models.
The specific process is as follows:
41) comparing the fixed value name (hereinafter referred to as 'C') obtained by analyzing the fixed value list with the fixed value name (hereinafter referred to as 'D') provided by the information-guaranteeing master station system;
the constant value name comparison rule is as follows: normalizing C and D, replacing numerical symbols such as 'I', 'II', 'III' and 'IV' with '1', '2', '3' and '4', converting capital English letters into lowercase English letters, and comparing normalized fixed value names;
42) responding to the consistency of the fixed value name comparison, and calling the fixed value to the relay protection device;
43) comparing the calling value with a fixed value obtained by analyzing the fixed value list;
44) responding to the consistent comparison of the fixed values, and comparing the relay protection fixed value models; in the constant value comparison, a constant value unit and a constant value type are considered.
The method realizes automatic on-line comparison of the setting fixed value and the field fixed value and real-time management of the fixed value of the protection device based on comparison of the relay protection device model and the relay protection fixed value model, is favorable for ensuring that the relay protection device can correctly and effectively act when a power system fails, and provides powerful support for reliable operation of a power grid.
A remote fixed value intelligent comparison system comprises,
a constant value single receiving module: and receiving a fixed value list sent by the OMS system.
A fixed value single analysis module: and analyzing the constant value list to obtain a relay protection device model and a relay protection constant value model.
The relay protection device model comprises the name of a substation to which the relay protection device belongs, primary equipment information associated with the relay protection device and the model of the relay protection device; the relay protection constant value model comprises a constant value name and a constant value.
A relay protection device model matching module: and matching the relay protection device model.
The model matching module of the relay protection device comprises:
a content matching module: comparing the relay protection device model content obtained through analysis of the fixed value list with the relay protection device model content provided by the information-guaranteeing main station system;
a content comparison result module: and responding to the consistency of all the content comparisons, and successfully matching the relay protection device model.
A relay protection constant value model comparison module: and responding to the successful matching of the relay protection device model, and comparing the relay protection constant value model.
The relay protection constant value model comparison module comprises:
a fixed value name comparison module: comparing the fixed value name obtained by analyzing the fixed value list with the fixed value name provided by the information protection master station system;
the calling module: responding to the consistency of the fixed value name comparison, and calling the fixed value to the relay protection device;
a fixed value comparison module: comparing the calling value with a fixed value obtained by analyzing the fixed value list;
a fixed value comparison result module: and responding to the consistent comparison of the fixed values, and comparing the relay protection fixed value models consistently.
As shown in fig. 2, a remote fixed-value intelligent comparison device comprises,
a fixed value setting device: and generating a fixed value list and a text fixed value, and sending the fixed value list and the text fixed value to the OMS device.
An OMS device: and simultaneously, the fixed value list and the text fixed value are transferred, and when the text fixed value execution process is finished, the fixed value list is sent to the relay protection online monitoring and analyzing device in real time.
The relay protection on-line monitoring and analyzing device comprises: loading a remote constant value intelligent comparison system, and performing constant value comparison; and acquiring the constant value list through a request-response mode of a Service bus and Web Service, and connecting the constant value list with a message-guaranteeing main station system through an office network.
A computer readable storage medium storing one or more programs, the one or more programs comprising instructions, which when executed by a computing device, cause the computing device to perform a remote-valued intelligent comparison method.
A computing device comprising one or more processors, memory, and one or more programs stored in the memory and configured to be executed by the one or more processors, the one or more programs comprising instructions for performing a remote fixed-value intelligent alignment method.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The present invention is not limited to the above embodiments, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention are included in the scope of the claims of the present invention which are filed as the application.

Claims (10)

1. A remote fixed value intelligent comparison method is characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
receiving a fixed value list sent by an OMS system;
analyzing the constant value list to obtain a relay protection device model and a relay protection constant value model;
carrying out model matching on the relay protection device;
and responding to the successful matching of the relay protection device model, and comparing the relay protection constant value model.
2. The remote-fixed-value intelligent alignment method of claim 1, wherein: the relay protection device model comprises the name of a substation to which the relay protection device belongs, primary equipment information associated with the relay protection device and the model of the relay protection device; the relay protection constant value model comprises a constant value name and a constant value.
3. The remote-defined intelligent alignment method as claimed in claim 1 or 2, wherein: the process of performing model matching of the relay protection device is,
and comparing the relay protection device model content obtained through analysis of the fixed value list with the relay protection device model content provided by the information-guaranteeing main station system, and responding to the consistency of comparison of all the contents, so that the relay protection device model is successfully matched.
4. The remote-fixed-value intelligent alignment method of claim 2, wherein: the comparison process of the relay protection constant value model is that,
comparing the fixed value name obtained by analyzing the fixed value list with the fixed value name provided by the information protection master station system;
responding to the consistency of the fixed value name comparison, and calling the fixed value to the relay protection device;
comparing the calling value with a fixed value obtained by analyzing the fixed value list;
and responding to the consistent comparison of the fixed values, and comparing the relay protection fixed value models consistently.
5. A remote fixed value intelligent comparison system is characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
a constant value single receiving module: receiving a fixed value list sent by an OMS system;
a fixed value single analysis module: analyzing the constant value list to obtain a relay protection device model and a relay protection constant value model;
a relay protection device model matching module: carrying out model matching on the relay protection device;
a relay protection constant value model comparison module: and responding to the successful matching of the relay protection device model, and comparing the relay protection constant value model.
6. The remote-location-based intelligent alignment system of claim 5, wherein: the relay protection device model comprises the name of a substation to which the relay protection device belongs, primary equipment information associated with the relay protection device and the model of the relay protection device; the relay protection constant value model comprises a constant value name and a constant value.
7. The remote-defined intelligent alignment method as claimed in claim 5 or 6, wherein: the model matching module of the relay protection device comprises a model matching module,
a content matching module: comparing the relay protection device model content obtained through analysis of the fixed value list with the relay protection device model content provided by the information-guaranteeing main station system;
a content comparison result module: and responding to the consistency of all the content comparisons, and successfully matching the relay protection device model.
8. The remote-location-based intelligent alignment system of claim 6, wherein: the relay protection constant value model comparison module comprises,
a fixed value name comparison module: comparing the fixed value name obtained by analyzing the fixed value list with the fixed value name provided by the information protection master station system;
the calling module: responding to the consistency of the fixed value name comparison, and calling the fixed value to the relay protection device;
a fixed value comparison module: comparing the calling value with a fixed value obtained by analyzing the fixed value list;
a fixed value comparison result module: and responding to the consistent comparison of the fixed values, and comparing the relay protection fixed value models consistently.
9. The utility model provides a device is compared to distant place definite value intelligence which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
a fixed value setting device: generating a fixed value list and a text fixed value, and sending the fixed value list and the text fixed value to an OMS device;
an OMS device: simultaneously, a fixed value list and a text fixed value are transferred, and when the execution flow of the text fixed value is finished, the fixed value list is sent to a relay protection online monitoring and analyzing device in real time;
the relay protection on-line monitoring and analyzing device comprises: the remote quantitative intelligent comparison system of any one of claims 5 to 8 is loaded for quantitative comparison.
10. A computer readable storage medium storing one or more programs, characterized in that: the one or more programs include instructions that, when executed by a computing device, cause the computing device to perform any of the methods of claims 1-4.
CN202010084315.4A 2020-02-10 2020-02-10 Remote fixed value intelligent comparison method, system and device Pending CN111404266A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113643154A (en) * 2021-08-16 2021-11-12 国家电网有限公司西北分部 Relay protection constant value intelligent auditing system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103606048A (en) * 2013-11-22 2014-02-26 国家电网公司 Relay protection on-line rechecking method and system based on OMS
CN110165631A (en) * 2019-05-10 2019-08-23 中国南方电网有限责任公司 A kind of relay protection device constant value distant place check method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103606048A (en) * 2013-11-22 2014-02-26 国家电网公司 Relay protection on-line rechecking method and system based on OMS
CN110165631A (en) * 2019-05-10 2019-08-23 中国南方电网有限责任公司 A kind of relay protection device constant value distant place check method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113643154A (en) * 2021-08-16 2021-11-12 国家电网有限公司西北分部 Relay protection constant value intelligent auditing system
CN113643154B (en) * 2021-08-16 2022-10-28 国家电网有限公司西北分部 Relay protection constant value intelligent auditing system

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RJ01 Rejection of invention patent application after publication

Application publication date: 20200710

RJ01 Rejection of invention patent application after publication