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Prefabricated bin for high-voltage SF6 phase angle control switching breaker

A technology for controlling switching and circuit breakers, which is applied in the settings of switchgear, electrical components, and switchgear, etc., can solve the problems of malfunction of relay protection, large impact and increase of switching capacitors and reactors on equipment, etc. Achieve the effect of reducing inrush current and overcurrent, improving breaking capacity and improving power grid quality

Inactive Publication Date: 2014-03-26
郭建厂
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The grid structure of the State Grid has become large-scale, and ultra-high voltage and ultra-high voltage will become the main system of China's power grid in the future. The problems and difficulties brought about by it will also increase accordingly. The main problem is that the impact of switching capacitors and reactors on equipment is relatively large. Big
[0003] To improve power quality and reduce equipment maintenance, it is necessary to prevent overvoltage and inrush current generated during the operation of power network circuit breakers, which will affect the insulation, life of the equipment and the stability of the power system, and will also induce malfunction of relay protection and other equipment maintenance into power system operation question on

Method used

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  • Prefabricated bin for high-voltage SF6 phase angle control switching breaker
  • Prefabricated bin for high-voltage SF6 phase angle control switching breaker
  • Prefabricated bin for high-voltage SF6 phase angle control switching breaker

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Embodiment Construction

[0012] Such as figure 1 As shown, the box body 1 is divided into several compartments, which are the incoming line compartment 2, the PT compartment 3, at least one capacitor compartment 4, at least one inductance compartment 5, the variable compartment 6 and the control room 7.

[0013] Such as figure 2 As shown, the high-voltage busbar terminal 8 is fixed in the incoming line interval 2, and the high-voltage busbar terminal 8 is electrically connected to the first incoming line static seat 10 that is insulated and fixed on the box body 1 through the first cable 9, and is connected to the first incoming line static seat 10 is fixed on the upper connecting post of the circuit breaker 14, the first outgoing moving seat 12 is fixed on the lower connecting post of the circuit breaker 14, and the first outgoing moving seat 12 plugged with the first The outgoing line static seat 13 is insulated and fixed on the box body 1; the first incoming line moving seat 11, the first outgoin...

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Abstract

The invention relates to a prefabricated bin for a high-voltage SF6 phase angle control switching breaker. A box is divided into a plurality of compartments, namely an incoming line compartment, a PT (potential transformer) compartment, at least one capacitor compartment, at least one inductor compartment, a transformer compartment and a control chamber. The prefabricated bin is simple in structure, small in occupied area, capable of realizing workshop assembly, low in cost, and convenient to use, maintain and overhaul.

Description

technical field [0001] The invention relates to a prefabricated warehouse of a circuit breaker, which is especially suitable for a prefabricated warehouse of a high-voltage SF6 phase angle controlled throwing and breaking circuit breaker. Background technique [0002] The grid structure of the State Grid has become large-scale, and ultra-high voltage and ultra-high voltage will become the main system of China's power grid in the future. The problems and difficulties brought about by it will also increase accordingly. The main problem is that the impact of switching capacitors and reactors on equipment is relatively large. big. [0003] To improve power quality and reduce equipment maintenance, it is necessary to prevent overvoltage and inrush current generated during the operation of power network circuit breakers, which will affect the insulation, life of the equipment and the stability of the power system, and will also induce malfunction of relay protection and other equi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02B13/035
Inventor 郭建厂
Owner 郭建厂
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