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Insulated overhead ground wire resonance energy taking system and method

An overhead ground wire and insulating ground technology, which is applied to the configuration of ground wires, electrical components, circuit devices, etc., can solve problems that restrict the development of on-line monitoring technology

Pending Publication Date: 2022-02-01
GUANGDONG POWER GRID CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Through the analysis of the on-site operation of the online monitoring equipment for the operation status of transmission lines in recent years, the insufficient power supply is still the main factor affecting the normal operation of these devices, and it also seriously restricts the development of online monitoring technology for the operation status of transmission lines

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  • Insulated overhead ground wire resonance energy taking system and method
  • Insulated overhead ground wire resonance energy taking system and method

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Embodiment Construction

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0027] It should be understood that the step numbers used herein are only for convenience of description, and are not intended to limit the order in which the steps are performed.

[0028] It should be understood that the terminology used in the description of the present invention is for the purpose of describing particular embodiments only and is not intended to limit the present invention. As used in this specification and the appended claims, the singular forms...

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Abstract

The invention discloses an insulated overhead ground wire resonance energy taking system and method, and relates to the technical field of electric energy conversion. The system comprises a resonant capacitor, an energy taking converter and a power conversion circuit; one end of the resonant capacitor is connected with an insulated overhead ground wire, and the other end is connected with the energy taking converter; one end of the energy taking converter is connected with the resonant capacitor, and the other end is grounded; and the power conversion circuit is connected with the output end of the energy taking converter and is used for providing electric energy for the online monitoring device of the power transmission line. When an AC power transmission line is in a live operation state, the electromagnetic field around the power transmission line contains rich energy, the space electric field has the advantage of being not affected by meteorological conditions and load currents, and all-weather work can be achieved as long as the line is live. Electric field energy of the space around the power transmission line can be collected, and energy can be collected and output as long as the power transmission line operates in an electrified mode.

Description

technical field [0001] The invention relates to the technical field of electric energy conversion, in particular to a resonant energy harvesting system and method for insulated overhead ground wires. Background technique [0002] At present, most of the transmission line online monitoring devices use solar power as the working power source, and cannot work normally in rainy days and at night. Under extreme weather conditions, if the continuous sunshine is insufficient, the transmission line online monitoring device will not be able to work after the stored energy is exhausted, which is seriously restricted. With the development of online monitoring devices for transmission line operation status, it is impossible to expand new functions by adding new sensors or equipment components to further meet the application needs of transmission line operation management departments. [0003] In order to solve this problem, it is generally solved by reducing the operating power consumpt...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J50/12H02G7/22
CPCH02J50/12H02G7/22
Inventor 赵东生黄缙华王锐李志勇赵兵
Owner GUANGDONG POWER GRID CO LTD
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