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Apparatus and a method for taking energy at a high potential end of a transmission line

A technology of transmission lines and high-potential terminals, which can be applied to conversion equipment that can be converted to DC without intermediate conversion, and the irreversible AC power input is converted to DC power output. Reliable performance, improved reliability, and the effect of large voltage output range

Inactive Publication Date: 2019-01-25
CHINA ELECTRIC POWER RES INST +3
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

This energy harvesting method usually can only obtain tens of microwatts to tens of milliwatts of electrical energy, the output power is extremely small, and it cannot supply power to devices at the high potential end

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  • Apparatus and a method for taking energy at a high potential end of a transmission line

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Embodiment Construction

[0039] Exemplary embodiments of the present invention will now be described with reference to the drawings; however, the present invention may be embodied in many different forms and are not limited to the embodiments described herein, which are provided for the purpose of exhaustively and completely disclosing the present invention. invention and fully convey the scope of the invention to those skilled in the art. The terms used in the exemplary embodiments shown in the drawings do not limit the present invention. In the figures, the same units / elements are given the same reference numerals.

[0040] Unless otherwise specified, the terms (including scientific and technical terms) used herein have the commonly understood meanings to those skilled in the art. In addition, it can be understood that the terms defined by commonly used dictionaries should be understood to have consistent meanings in the context of their related fields, and should not be understood as idealized or ...

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Abstract

The invention discloses a device and a method for taking energy at a high potential end of a transmission line, belonging to the cross technical field of high voltage technology and power supply technology. The device of the invention comprises a capacitor voltage divider, a rectifying module, a DC / DC voltage regulating module, an overvoltage suppressing module and a power supply housing. The invention solves the problem of providing stable and reliable direct current power supply for various on-line monitoring devices located at the high potential end of the transmission line and the main equipment of the substation, The utility model improves the output power of the power supply, provides a flexible and convenient regulation mode for outputting a variety of commonly used DC voltage values, ensures that the insulation requirements of the corresponding transmission line voltage grades are met, has good electromagnetic interference resistance and reduces the cost of the transmission line energy taking device.

Description

technical field [0001] The present invention relates to the intersecting technical fields of high-voltage technology and power supply technology, and more specifically, relates to a device and method for obtaining energy at a high-potential end of a transmission line. Background technique [0002] In recent years, with the continuous expansion of the grid scale and the rapid upgrading of grid automation technology, higher requirements have been placed on the intelligent level of transmission lines and substation operation and maintenance. Obtain the operation data of transmission lines and substation main equipment through various online monitoring devices, and monitor their operation status in real time, which can provide decision-making basis for the intelligent operation and maintenance of the power grid, thereby promoting the development of this work and further improving the security of the power grid stable operating level. However, most of the online monitoring devic...

Claims

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Application Information

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IPC IPC(8): H02M5/08H02M7/04
CPCH02M5/08H02M7/04
Inventor 李永亮刘之方高强诸嘉慧李志远刘齐袁放党冬李会兵余辉陈没闫晔雷雨秋刘赫叶天华
Owner CHINA ELECTRIC POWER RES INST
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