An overhead line fault monitoring device
A fault monitoring and overhead line technology, applied in the field of power grid, can solve the problems of inflexible modification of operating parameters and configuration, and fixed operating parameters and configuration of fault indicators, so as to reduce operating costs, adjust and optimize, and optimize personnel ratio. Effect
Active Publication Date: 2018-11-20
珠海市阿普顿电气有限公司
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Problems solved by technology
[0004] For this reason, the technical problem to be solved by the present invention is that the operating parameters and configuration of the fault indicator used for overhead lines in the prior art are relatively fixed, and various operating parameters and configurations cannot be flexibly modified, and cannot meet the needs of applications in various requirements. occasions, thus proposing an overhead line fault monitoring device
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[0027] Such as figure 1 As shown, an overhead line fault monitoring device of the present invention includes: a fault indicator 1 , a wireless communication terminal 2 , a wireless setting tool 3 and a remote server 4 .
[0028] The fault indicator 1 is used for monitoring line faults on overhead lines. The structure of the fault indicator 1 is as figure 2 As shown, the fault indicator 1 is installed on the overhead line, and monitors the line fault on the overhead line by monitoring the current on the overhead line. The line fault includes permanent fault, temporary fault and transient fault, wherein temporary fault and Detection of transient faults is optional. Permanent fault refers to when the load current value exceeds the trip current and the time exceeds the response delay time; temporary fault refers to a current fault on the power network, which can be automatically restored within a certain period of time; A current pulse of very short duration, the duration of t...
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The invention discloses an overhead line fault monitoring device, comprising a fault indicator, a wireless communication terminal, a wireless configuration tool and a remote server; the overhead line fault monitoring device can monitor the current on the overhead line in real time; when the overhead line is faulted, the overhead line fault monitoring device can quickly determine the fault point in order to quickly isolate and eliminate the fault, which provides the monitoring data support to the real time regulation, the fault searching and fault restoration of the power distribution network; the overhead line fault monitoring device realizes the communication between the fault indicator and the remote server through the wireless communication terminal; through the remote server, the overhead line fault monitoring device can perform real-time monitoring on the operation state of the power distribution network in the command and control center; and through the configuration of the wireless configuration tool, the operation staff can flexibly modify the various running parameters of the fault indicator according to the operation state of the power distribution network. The overhead line fault monitoring device can realize the real time regulation optimization of the power distribution network, can be applied in various occasion with different needs, improves the working efficiency, reduces the fault rates, optimizes the staff matching and reduces the operation cost.
Description
Technical field: [0001] The invention belongs to the technical field of power grids, and in particular relates to an overhead line fault monitoring device. Background technique: [0002] With the development of my country's economy, people have higher and higher requirements for the safety and reliability of distribution network operation. At present, my country's 10kV distribution network is mainly based on overhead lines. Due to the long line and complex operating environment, 10kV overhead lines are often used as power grids. The link with the most system failures. There are two ways to improve the safe operation level of the 10kV distribution network: one is to understand the operation status of the distribution network in real time during operation, and to discover hidden faults in time, so that the distribution network has been operating in a good state and reduce the probability of failure; The second is to determine the fault point as soon as possible after the fault...
Claims
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IPC IPC(8): G01R31/08
Inventor 张晓易
Owner 珠海市阿普顿电气有限公司