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Power distribution network self-healing control method combining master station and local control

A self-healing control and distribution network technology, applied to electrical components, circuit devices, AC network circuits, etc., to improve the ability to restore power supply, realize fault location, and improve fault efficiency

Active Publication Date: 2019-02-15
NR ELECTRIC CO LTD +1
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AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a distribution network self-healing control method combining master station and local control to solve the reliability problems of voltage-time feeder automatic locking and switching and power supply recovery

Method used

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  • Power distribution network self-healing control method combining master station and local control
  • Power distribution network self-healing control method combining master station and local control
  • Power distribution network self-healing control method combining master station and local control

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Embodiment Construction

[0030] Main content of the present invention is:

[0031] Realized the mutual cooperation between the master station of the distribution network and the voltage-time feeder automation to complete the self-healing control of the overhead line, and adopted the combination of the master station and local control, and the master station issued a closing and locking command to realize the isolation switch of the fault area Reliable closing and locking, so as to ensure the smooth progress of load transfer.

[0032] On the basis of making full use of the existing voltage-time feeder automation basic conditions, it integrates the wireless public network centralized communication means of the master station to improve the overhead line failure handling efficiency and power supply recovery capability.

[0033] The configuration of the voltage-time type feeder automation terminal retains the existing configuration requirements to ensure that the original feeder automation function is ret...

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Abstract

The invention discloses a power distribution network self-healing control method combining master station and local control; the existing resources of local feeder line automation terminal informationcan be utilized, and self-healing control of automatic mutual cooperation of a power distribution network master station and a voltage time type feeder line is achieved, so that the method is suitable for fast positioning of faults suitable for various power distribution network topologies, and power distribution network fault positioning, fault isolation and post-failure power supply recovery combining the power distribution network master station and the local power distribution automation terminal control are realized.

Description

technical field [0001] The invention relates to the field of distribution network self-healing control, in particular to a method for realizing distribution line fault self-healing control based on a distribution network master station and an on-site feeder automation terminal during distribution network operation. Background technique [0002] As the scale of the distribution network continues to expand, the possibility of faults also increases greatly. When a fault occurs, rapid fault diagnosis and restoration of normal operation of the system after an accident are necessary conditions for reducing power interruption time and improving power supply reliability. [0003] Distribution network self-healing control can detect and isolate various possible faults and hidden dangers in a timely manner, resist the impact of serious external faults, maintain the continuous operation of the system under fault conditions, self-repair faults and quickly restore power supply, by reduci...

Claims

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Application Information

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IPC IPC(8): H02J3/00H02J13/00H02H7/26
CPCH02H7/261H02H7/262H02J3/00H02J13/00Y04S10/20
Inventor 徐晓亮赵月辉邹大云蒲桂林毛建维薛忠张代新陈根军顾全
Owner NR ELECTRIC CO LTD
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