Complementary method for handling fault in power distribution network based on power guarantee mode

A distribution network fault and mode technology, applied in the direction of emergency protection circuit devices, electrical components, etc.

Inactive Publication Date: 2016-08-24
STATE GRID TIANJIN ELECTRIC POWER +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the variety of power supply modes of the distribution network, the existing fault handling of the distribution network cannot meet the actual needs under the operation mode of the power protection mode. Therefore, it is necessary to provide differentiated distribution network fault handling technology for special operation modes to meet the needs of the ever-changing distribution network power supply mode.

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  • Complementary method for handling fault in power distribution network based on power guarantee mode
  • Complementary method for handling fault in power distribution network based on power guarantee mode

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Embodiment Construction

[0011] The present invention will be specifically introduced below in conjunction with the accompanying drawings and specific embodiments.

[0012] A supplementary method for fault handling of distribution network based on power-guaranteed mode, which analyzes the power-guaranteed mode and obtains a solution strategy for differentiated fault handling. The fault handling is to ensure the dual power supply of dual power users, that is, before the fault is restored, the dual power users are dynamically calculated, and the power supply of the dual power users is compared with the newly transferred power supply, so as to modify the priority level of the recovery plan .

[0013] as attached figure 1 , #1 line, #2 line and #3 line are three connections, #1 ring network cabinet is powered by #1 line, #2 ring network cabinet and #3 ring network cabinet are powered by #3 line, #4 ring network cabinet Powered by line #2, the contact point of #1 line and #3 line is #1 ring main unit 12 ...

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Abstract

The invention relates to a complementary method for handling a fault in a power distribution network based on a power guarantee mode. An analysis is conducted for a power guarantee mode to obtain a solving strategy for differential fault handling. The power guarantee mode is to ensure, for dual power supply users, the differential fault handling of the dual power supply property of the users after non-fault recovery, and is mainly to ensure the dual power supply property of the dual power supply users, that is, before fault recovery, the dual power supply users are calculated dynamically, and the priority level of recovery schemes is modified by comparing power supplies of the dual power supply users with newly transferred power supplies. The invention considers the adaptability of fault handling functions of the power distribution network at this stage, the impact of the trend for special operating modes on a general fault handling logic algorithm, and the general fault handling logic flaws, and ensures wide adaptability and practicability of fault handling for the power distribution network, thereby improving the fault handling reliability of the power distribution network, shortening the power supply time and providing customer satisfaction.

Description

technical field [0001] The invention relates to a distribution network fault processing technology, relates to a fault processing technology in a distribution automation system, specifically a supplementary method for fault processing of a distribution network based on a power conservation mode. Background technique [0002] The distribution network fault isolation and power supply recovery methods in the prior art are all analyzed for the general distribution network grid structure. However, due to the variety of power supply modes of the distribution network, the existing fault handling of the distribution network cannot meet the actual needs under the operation mode of the power protection mode. Therefore, it is necessary to provide differentiated distribution network fault handling technology for special operation modes to meet the needs of the ever-changing distribution network power supply mode. Contents of the invention [0003] In order to solve the deficiencies o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02H7/28
CPCH02H7/28
Inventor 赵宇营刘钧元李聪利张渭鹏王宝英王磊吴凯李旭光
Owner STATE GRID TIANJIN ELECTRIC POWER
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