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Power transmission line fault monitoring and shooting method and device based on dynamic power taking

A transmission line and transmission line technology, which is applied in the field of transmission line fault monitoring based on dynamic power extraction, can solve the problems of high power consumption and low charging efficiency of electromagnetic core supercapacitors, so as to reduce weight and solve low charging efficiency. , the effect of reducing the cross-sectional area

Active Publication Date: 2020-11-10
SHANDONG SENTER ELECTRONICS
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Problems solved by technology

[0003] The embodiment of the present application provides a transmission line fault monitoring method and device based on dynamic power acquisition, which is used to solve the problem that the existing power transmission line monitoring device consumes a lot of power, needs to continuously increase the cross-sectional area of ​​the electromagnetic core and is super Technical problem of low capacitor charging efficiency

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  • Power transmission line fault monitoring and shooting method and device based on dynamic power taking
  • Power transmission line fault monitoring and shooting method and device based on dynamic power taking
  • Power transmission line fault monitoring and shooting method and device based on dynamic power taking

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Embodiment Construction

[0022] In order to make the purpose, technical solution and advantages of the present application clearer, the technical solution of the present application will be clearly and completely described below in conjunction with specific embodiments of the present application and corresponding drawings. Apparently, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0023] figure 1 It is a schematic diagram of a transmission line fault monitoring device based on dynamic power acquisition provided by the embodiment of the present application.

[0024] Such as figure 1 As shown, the transmission line fault monitoring device 100 at least includes: an induction power-taking unit 110, a protection circuit 120 for ov...

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Abstract

The invention discloses a power transmission line fault monitoring and photographing method and device based on dynamic power taking, and the device obtains the phase current of a power transmission line through an induction power taking unit, carries out the processing of the phase current of the power transmission line, and obtains two power supplies. The first power supply of the two power supplies is used for supplying power to the monitoring and photographing device; according to the phase current of the power transmission line and / or the power consumption value of the monitoring and photographing device, charging a super capacitor in the monitoring and photographing device through the second power supply. The super capacitor is used for providing electric energy for the monitoring and photographing device when the energy obtained by the induction power taking unit is lower than the power consumption value of the monitoring and photographing device. According to the invention, energy storage can be carried out on the super capacitor to the greatest extent in the power transmission line fault monitoring and shooting process, so a basis is provided for power transmission maintenance personnel to timely and effectively deal with field faults.

Description

technical field [0001] The present application relates to the technical field of on-line monitoring of power transmission lines, in particular to a method and device for monitoring faults of power transmission lines based on dynamic power acquisition. Background technique [0002] At present, the existing transmission line monitoring device is connected to the line for inductive power acquisition. There are two main directions of inductive power acquisition technology: electric field induction and current induction power acquisition. Compared with video surveillance devices, electric field induction power harvesting has relatively low efficiency, and can only prolong the working interval to obtain enough energy, which limits its use frequency; current induction power harvesting has relatively high energy harvesting capacity, but it needs to If you want to increase the frequency of use, the conventional method is to increase the cross-sectional area of ​​the electromagnetic c...

Claims

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Application Information

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IPC IPC(8): H02J7/34H02J9/06H02J50/10
CPCH02J7/345H02J9/061H02J50/10Y02B70/30Y04S20/20
Inventor 李全用王成王力民文刚蔡富东朱荣俊陈雷杨玉国李忠平朱硕
Owner SHANDONG SENTER ELECTRONICS
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