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Direct-current voltage output mechanism of six-pulse-wave de-icing rectifier

A technology of DC voltage and output mechanism, which is applied in the direction of conversion of AC power input to DC power output, output power conversion device, electrical components, etc., which can solve problems such as difficult assembly and complex structure, and achieve simple high-voltage insulation, simplified connection, Realize the effect of high voltage insulation

Inactive Publication Date: 2013-09-11
STATE GRID CORP OF CHINA +2
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Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a DC voltage output mechanism of a six-pulse wave ice-melting rectifier, which can greatly improve Simplify the internal structure of the six-pulse ice-melting rectifier and thus realize the high-voltage insulation of the internal live parts

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  • Direct-current voltage output mechanism of six-pulse-wave de-icing rectifier

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Embodiment Construction

[0018] see figure 1 Shown is a specific embodiment of the DC voltage output mechanism of the six-pulse ice-melting rectifier of the present invention. The first side fixed post insulator 1 and the second side fixed post insulator 3 of this embodiment are all made by Fuyikai Electric Co., Ltd., Fuzhou, Fujian Province, China. The FN7 post insulator produced by the company; the six-pulse wave converter 2 adopts the HCBLQ-6 diode six-pulse wave converter developed by China Hunan Huicui Power Technology Co., Ltd.; the first bottom post composite insulator 4 and the second The bottom pillar composite insulator 6 adopts the FZSW-10 type pillar composite insulator produced by Zhejiang Golden Phoenix Electric Co., Ltd.; the positive load-bearing aluminum frame 5 adopts the SHHXZ-500 aluminum frame produced by China Shanghai Hongxiu Machinery Co., Ltd.; Frame 7 adopts the SHHXF-500 aluminum frame produced by China Shanghai Hongxiu Machinery Co., Ltd. The first side fixed post insulato...

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Abstract

The invention discloses a direct-current voltage output mechanism of a six-pulse-wave de-icing rectifier. The direct-current voltage output mechanism consists of a first side face fixing post insulator (1), a six-pulse-wave converter (2), a second side face fixing post insulator (3), a first bottom post composite insulator (4), a positive pole bearing aluminum framework (5), a second bottom post composite insulator (6) and a negative pole bearing aluminum framework (7). The positive pole output end of the six-pulse-wave converter (2) is connected with the positive pole bearing aluminum framework (5), and the output end of the positive pole bearing aluminum framework (5) is connected with the first bottom post composite insulator (4) and the first side face fixing post insulator (1) in parallel. An internal structure of the de-icing rectifier is effectively simplified, internal high-voltage insulation of the rectifier can be achieved by utilizing a plurality of post insulators, and connection of copper bars in the rectifier can be effectively simplified.

Description

technical field [0001] The invention belongs to the technical field of electrical engineering, and relates to a DC voltage output mechanism of a six-pulse ice-melting rectifier, especially suitable for high-voltage and high-power six-pulse ice-melting rectifiers. Background technique [0002] Ice and snow disasters occur frequently in southern my country, which can easily cause serious damage to power grid transmission lines. Current melting of ice-covered lines is one of the most direct, most effective, safest and most economical means for power grids to deal with freezing disasters. With DC ice melting, the reactance component on the transmission line will not work, and with the same size of ice melting current, the voltage applied by DC ice melting is much smaller than that of AC ice melting, which greatly improves the safety and security of the ice melting process. economy. DC icing has been widely used in domestic transmission line icing anti-icing. The most importan...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M7/00H02G7/16
Inventor 陆佳政朱思国李波方针张红先赵纯
Owner STATE GRID CORP OF CHINA