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Distribution line on-line monitoring method, device and system

A technology of distribution lines and monitoring devices, which is applied in the direction of information technology support system, fault location, fault detection according to conductor type, etc., and can solve the problem that the fault location cannot be given in time and accurately

Pending Publication Date: 2021-06-29
MEIZHOU POWER SUPPLY BUREAU OF GUANGDONG POWER GRID CORP
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Problems solved by technology

However, this method only detects the state quantity, so that the fault location cannot be given in time and accurately when a fault occurs, and it cannot meet the needs of modern distribution line state monitoring.

Method used

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  • Distribution line on-line monitoring method, device and system
  • Distribution line on-line monitoring method, device and system
  • Distribution line on-line monitoring method, device and system

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Embodiment Construction

[0046] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings but not all structures.

[0047] figure 1 A flow chart of an on-line monitoring method for distribution lines provided by an embodiment of the present invention, such as figure 1 As shown, the distribution line online monitoring method provided in this embodiment includes:

[0048] Step S101, collecting power data of fault monitoring points on the distribution line, wherein the power data includes current data and voltage data.

[0049] The method for on-line monitoring of distribution lines provided in this embodiment is used for on-lin...

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Abstract

The invention discloses a distribution line on-line monitoring method, device and system, and the method comprises the steps: collecting the power data of a fault monitoring point on a distribution line, and enabling the power data to comprise current data and voltage data; performing fault detection according to the power data to obtain a fault detection result; performing real-time wave recording on the electric power data, and outputting transient wave recording data when a fault detection result is that a fault occurs; and analyzing the transient wave recording data, and determining a fault state and a fault occurrence position on the distribution line. According to the distribution line on-line monitoring method, device and system disclosed by the embodiment of the invention, a more accurate power distribution network fault condition can be obtained, and the fault occurrence position can also be determined.

Description

technical field [0001] The distribution network technology of the embodiment of the present invention particularly relates to a distribution line online monitoring method, device and system. Background technique [0002] The distribution network is an important part of the power system, responsible for the distribution and transmission of electric energy. Different from the transmission network, the distribution network has to extend from the substation to the end users, resulting in very complicated wiring methods, harsh site environment, complex operating conditions, and unpredictable human factors, resulting in a high probability of failure. Especially overhead lines. Therefore, fault line selection, fault inspection, and fault elimination in the operation of distribution network are common and important production management tasks faced by power supply enterprises. [0003] Fault indicators and fault diagnosis systems are currently the most used for distribution networ...

Claims

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Application Information

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IPC IPC(8): G01R31/08
CPCG01R31/085Y04S10/52
Inventor 丘演峰吉海明温庆环邓明威
Owner MEIZHOU POWER SUPPLY BUREAU OF GUANGDONG POWER GRID CORP
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