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Box-type opening and closing station without external power supply

A technology of external power supply and switch station, applied in substation/switch layout details, electrical components, etc., can solve the problems of high cost and heavy workload, and achieve the effect of easy operation, reduced workload, and simple and convenient connection

Inactive Publication Date: 2014-11-26
天津三源电力智能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is often necessary to dig cable trenches, lay cables, and install control boxes to introduce external power to the box-type switching station. Not only the workload is very heavy, but also the cost is very high.

Method used

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  • Box-type opening and closing station without external power supply
  • Box-type opening and closing station without external power supply
  • Box-type opening and closing station without external power supply

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Embodiment Construction

[0016] The embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings; it should be noted that the embodiments are illustrative, not restrictive, and cannot limit the protection scope of the present invention.

[0017] A box-type switching station without external power supply, including a housing 1, a ring network cabinet 2 and a power communication screen 3, the ring network cabinet and the power communication screen are installed in the housing, and the ring network cabinet and the power communication screen are electrically connected.

[0018] The innovation of the present invention is that a station dry-type transformer 4 is installed in the casing, and the ring main unit is connected to the high-voltage side of the station dry-type transformer through a cable 5. The specific connection method is: one end of the cable is connected to the station dry-type transformer. The high-voltage side of the transformer and the ...

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PUM

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Abstract

The invention relates to a box-type opening and closing station without an external power supply. The opening and closing station includes a casing, a ring main unit and a power supply communication screen. The ring main unit and the power supply communication screen are installed in a casing. The ring main unit is electrically connected with the power supply communication screen. A station dry-type transformer is installed in the casing. The ring main unit is connected with a high-voltage side of the station dry-type transformer through a cable. A low-voltage side of the station dry-type transformer is connected with the power supply communication screen. The opening and closing station is a box-type opening and closing station which is ingenious in design, reasonable in improvement, easy to realize and free from an external power supply so that use of the box-type opening and closing station is capable of simplifying work procedure, reducing workload, speeding up construction progress and reducing construction cost.

Description

technical field [0001] The invention relates to a box-type switching station in the field of electric power technology, in particular to a box-type switching station without an external power supply. Background technique [0002] Such as figure 1 As shown, in the existing box-type switching station, the ring main unit 2 and the power communication screen 3 are installed in the housing 1, and then connected to the power communication screen through an external power supply, and the power communication screen converts the input AC220V into DC48V is used for electric operation of the ring network cabinet, and power supply for the communication equipment in the power communication screen. The introduction of external power to the box-type switching station often requires digging cable trenches, laying cables, and installing control boxes. Not only is the workload very heavy, but the cost is also very high. Contents of the invention [0003] The purpose of the present inventi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02B1/46
Inventor 赵冠桥王文强周庆祝刘月婵苏勇刘彦东杜艳杰杨萌李香王妍张迪江宁张俊恒张怀砚王雅琳赵秀芳王怡
Owner 天津三源电力智能科技有限公司
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