Gas-insulated power supply device

A power supply device and gas-insulated technology, which is applied in the field of gas-insulated power supply devices, to achieve the effects of improving power reliability, avoiding reactive power backflow, and facilitating on-site installation

Active Publication Date: 2018-01-12
CHINA ELECTRIC POWER RES INST +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The invention provides a gas-insulated power supply device to solve the problem of how to directly take power through high-voltage lines

Method used

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Embodiment Construction

[0036] 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.

[0037] 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 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 over...

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Abstract

The invention discloses a gas-insulated power supply device. The gas-insulated power supply device comprises a high-transformation-ratio transformer, a voltage regulating circuit for achieving regulation of output voltage of the high-transformation-ratio transformer, a protection-level current transformer, a metering-level current transformer and a control screen unit, wherein the high-transformation-ratio transformer is connected with a high-voltage power transmission line through a high-voltage bushing and is connected with an external electrical load through a power output terminal, the first end of the protection-level current transformer is connected to the high-voltage bushing, the second end of the protection-level current transformer is connected to a high-voltage protection control module of the control screen unit, the first end of the metering-level current transformer is connected to the high-voltage bushing, the second end of the metering-level current transformer is connected to an electric energy metering module of the control screen unit, the control screen unit comprises the high-voltage protection control module, the electric energy metering module, a fault recording module, a low-voltage control module and a power module, and a power supply port connected to the high-transformation-ratio transformer is used for providing power for the high-voltage protectioncontrol module, the electric energy metering module, the fault recording module and the low-voltage control module.

Description

technical field [0001] The invention relates to the field of high-voltage electrical equipment, and more specifically, to a gas-insulated power supply device. Background technique [0002] At present, small-capacity power supply platforms are mainly box-type substations, also known as prefabricated substations or prefabricated substations. It is a compact complete power distribution device that combines high-voltage switchgear, distribution transformer, low-voltage switchgear, electric energy metering equipment and reactive power compensation device in one or several boxes according to a certain wiring scheme. It is suitable for rated voltage 10 / 0.4kV three-phase AC system, especially suitable for residential quarters, urban public transformers, bustling downtown, construction power supply and mines, factories, enterprises, oil and gas fields and wind power stations, etc., users can use according to different conditions , Load level selection box-type transformer. [0003]...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/00
Inventor 李璿汪本进王晓琪王欢吴士普刘鹍陈江波史强姜华李福超余春雨
Owner CHINA ELECTRIC POWER RES INST
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