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In-situ feeder fault processing method and system

A fault handling method and a processing system technology, which are applied in the field of on-site feeder fault handling methods and systems, can solve problems such as time-consuming, affecting user use, and large power outage range, so as to shorten the time, ensure normal power supply, and improve power consumption. The effect of electric experience

Pending Publication Date: 2022-05-10
SHANGHAI HOLYSTAR INFORMATION TECH
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Problems solved by technology

The existing on-site feeder automation mainly adopts the voltage-time type, and the voltage-time on-site feeder automation adopts the working characteristics of "no voltage opening, incoming call delay closing" to cooperate with the secondary closing of the switch in the substation. Realization, when the feeder line fails, the switch in the station needs to trip twice to disconnect the entire line twice, the fault zone is determined by closing the switch in the station for the first time, and the power supply of the non-fault line is restored by closing the switch in the station for the second time, and the power failure range Large, time-consuming, affecting the user's use

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  • In-situ feeder fault processing method and system
  • In-situ feeder fault processing method and system

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Embodiment Construction

[0041] The advantages of the present invention will be further elaborated below in conjunction with the accompanying drawings and specific embodiments.

[0042] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present disclosure as recited in the appended claims.

[0043] The terminology used in the present disclosure is for the purpose of describing particular embodiments only, and is not intended to limit the present disclosure. As used in this disclosure and the appended claims, the singular...

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Abstract

The invention discloses a local feeder line fault processing method and system, and belongs to the field of power distribution transmission. According to the in-situ feeder fault processing method, after the fault is detected, the in-station switch of the distribution line is triggered to trip, so that all section switches on the corresponding target line are controlled to be switched off; and then the in-station switch is switched on again, and the states of the section switches are controlled according to the positions of the section switches in the target line and based on the detected electric energy data on the two sides of each section switch on the basis of preset logic, so that fault points are isolated, power supply of non-fault sections is recovered, and normal power supply of the non-fault sections is ensured. According to the technical scheme, the in-station switch only needs to trip once, secondary tripping is not needed, the time for recovering power supply of a non-fault line is shortened, secondary power failure of the whole line is not needed, and the power utilization experience of a user is improved.

Description

technical field [0001] The invention relates to the field of power distribution and transmission, in particular to a method and a system for handling local feeder faults. Background technique [0002] With the rapid development of the economy, users have higher and higher requirements for power supply reliability. The distribution network feeder automation function plays an important role in quickly isolating faults and restoring power supply in non-faulty areas, and improving the reliability of distribution network power supply. The existing on-site feeder automation mainly adopts the voltage-time type, and the voltage-time on-site feeder automation adopts the working characteristics of "no voltage opening, incoming call delay closing" to cooperate with the secondary closing of the switch in the substation. Realization, when the feeder line fails, the switch in the station needs to trip twice to disconnect the entire line twice, the fault zone is determined by closing the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02H7/26H02H3/06H02J13/00
CPCH02H7/26H02H3/06H02J13/0004Y02E60/00Y04S10/20
Inventor 唐捷郑资张占冯燕鹏郑国章
Owner SHANGHAI HOLYSTAR INFORMATION TECH
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