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Power input assembly for high-power low-voltage SVG and APF

A power input, high-power technology, used in active power filtering, reactive power adjustment/elimination/compensation, flexible AC power transmission systems, etc. Solve the effect of high temperature rise, simple structure and improved reliability

Pending Publication Date: 2022-03-15
JIANGSU MODERN POWER CAPACITOR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing high-power low-voltage SVG and APF power input components have problems such as improper use of components and unreasonable structure, resulting in large power loss, temperature rise, poor reliability, large volume, and difficult production and assembly.

Method used

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  • Power input assembly for high-power low-voltage SVG and APF
  • Power input assembly for high-power low-voltage SVG and APF
  • Power input assembly for high-power low-voltage SVG and APF

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Embodiment Construction

[0019] In order to explain in detail the technical solutions adopted by the present invention to achieve the intended technical purpose, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described implementation Examples are only part of the embodiments of the present invention, rather than all embodiments, and, on the premise of not paying creative work, the technical means or technical features in the embodiments of the present invention can be replaced, the following will refer to the accompanying drawings and combine Examples illustrate the present invention in detail.

[0020] like figure 1 As shown, a power input assembly for high-power low-voltage SVG and APF of the present invention includes A-phase branch 1, B-phase branch 2, C-phase branch 3 and panel 10 arranged in parallel, and the A-phase branch 1. Phase B b...

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PUM

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Abstract

The invention discloses a power input assembly for a high-power low-voltage SVG and APF, which comprises an A-phase branch, a B-phase branch, a C-phase branch and a panel which are arranged in parallel, and each of the A-phase branch, the B-phase branch and the C-phase branch comprises an external wire shield, a fuse, a main relay, a current-limiting relay, a current-limiting resistor and a reactor, the external wire protective cover, the fuse, the main relay and the reactor are sequentially connected along the straight line direction, the current-limiting relay and the current-limiting resistor are positioned on the outer side of the main relay, and the external wire protective covers of the A-phase branch, the B-phase branch and the C-phase branch are fixed on the panel. The invention has the characteristics of simple structure, low temperature rise, high reliability, small volume, low cost and the like.

Description

technical field [0001] The invention relates to a power input assembly, in particular to a power input assembly for high-power low-voltage SVG and APF, and belongs to the field of SVG and APF. Background technique [0002] Low-voltage SVG is used for reactive power control of low-voltage distribution grids, so as to reduce the power loss of the grid, improve the operation safety and efficiency of the grid, and improve the voltage quality of the grid. The low-voltage APF is used for harmonic control of the low-voltage power distribution grid, so as to eliminate the harmonic pollution of the grid and improve the power quality of the grid. Low-voltage SVG and APF have the same circuit structure, but write different programs. [0003] There are essential power input components in SVG and APF, including terminal blocks, protective fuses, on-off circuit switches, filter reactors, etc. For high-power and low-voltage SVG and APF, due to the large current passing through Power loss...

Claims

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Application Information

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IPC IPC(8): H02J3/18H02J3/01H02B1/04H02B1/24
CPCH02J3/18H02J3/01H02B1/04H02B1/24Y02E40/20Y02E40/10
Inventor 王春华王宗臣施磊纪陈平夏武陈佳佳李天鹰薛玲丽
Owner JIANGSU MODERN POWER CAPACITOR
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