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Protective measurement and control integrated device and protective measurement and control method

A technology of protection measurement and control and integrated devices, which is applied in the direction of emergency protection circuit devices, circuit devices, electrical components, etc., can solve the problems of unsatisfactory operation and lack of equipment reliability, achieve rich hardware resource support, powerful functions, and ensure high precision Effect

Inactive Publication Date: 2015-06-10
XUJI GRP +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The parameter, configuration or hardware damage of any function will cause the loss of both functions at the same time, and the reliability of the equipment cannot meet the requirements of operation

Method used

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  • Protective measurement and control integrated device and protective measurement and control method

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Embodiment Construction

[0017] A protection measurement and control method of the present invention mainly includes:

[0018] The protection function and the measurement and control function are integrated in one device and are implemented by independent CPUs. The protection CPU provides the main protection and backup protection functions, and the measurement and control CPU provides functions such as telemetry, remote signaling, remote control, simultaneous closing, electric energy measurement, and logic blocking, and can be configured according to the specific needs of the actual project.

[0019] The processing of the human-machine interface is realized by a separate CPU, which ensures the convenience and independence of operation, and also has the independence of communication with different CPUs.

[0020] The protection CPU and the measurement and control CPU receive the sampling data and GOOSE information from the merging unit and the intelligent terminal through the optical fiber interface. This func...

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Abstract

The invention discloses a protective measurement and control integrated device and a protective measurement and control method which are mainly applied to intelligent substations 110 kV and below in voltage class. The protective measurement and control integrated device and the protective measurement and control method are characterized in that a protection function and a measurement and control function are integrated on one device and are respectively achieved through two mutually-independent CPUs, meanwhile a public man-machine interface is also achieved through an independent CPU, and relative independence is kept while function integration. The transformer substation construction cost is saved through the protective measurement and control integrated device, and meanwhile a protection function and measurement and control function integration achieving method is also provided. Based on the protective measurement and control integrated device, sampling data from a merging unit and GOOSE information from an intelligent terminal and other protection devices are received through process layer plug-ins, meanwhile the demands for the protection function and the measurement and control function are met. The protective measurement and control integrated device can be used for circuits, bus couplers, subsections and the like of the intelligent substations 110 kV and below in voltage class.

Description

Technical field [0001] The technical field of power system relay protection and control of the present invention particularly relates to a new generation of intelligent substation automation system protection, measurement and control integrated device and method. Background technique [0002] Relay protection and measurement and control devices are an important part of the power system, and they play a very important role in ensuring the safe operation of the system. Especially in the intelligent substation automation system, the IEC61850 standard and the application of electronic transformers have new requirements for the protection and measurement and control devices of the bay layer. [0003] In traditional substations, the integrated application of protection, measurement and control has been implemented in systems with voltage levels of 35kV and below; while in high-voltage power systems, the protection and measurement and control functions are implemented by independent devic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J13/00H02H7/26
Inventor 郝慧贞李文正李宝伟倪传坤唐艳梅石欣姜自强都磊冉志勇董新涛李杰
Owner XUJI GRP
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