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1100kV high-voltage 11000A high-current lead-out bushing

An outlet bushing and high-voltage technology, which is applied in the direction of electrical components, switchgear settings, switchgear, etc., can solve the problems of low insulation margin, low transmission capacity, and poor reliability of 1100kV bushings, so as to reduce electrical investment, Improved transmission capacity and high insulation level

Inactive Publication Date: 2016-07-27
SHANDONG TAIKAI HIGH VOLTAGE SWITCH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the insulation margin of 1100kV bushing is low, the reliability is poor, and the capacity of power transmission is also low

Method used

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  • 1100kV high-voltage 11000A high-current lead-out bushing

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Embodiment Construction

[0012] attached figure 1 It is a specific embodiment of the present invention. The inventive 1100kV high-voltage 11000A high-current outlet bushing includes a central conductor 1, a shielding flange 2, a support insulator 3, a sealing ring 4, a flange 5, a ground shield 6, an intermediate shield 7, and a hollow composite insulator 8, Upper shield 9 and terminal 10. The central conductor 1 is connected to the terminal 10 through screws, and both contact surfaces are silver-plated to improve the flow capacity. The inner and outer surfaces of the other end of the central conductor 1 are silver-plated; the ground shield 6 is connected to the flange 5 through screws, One end of the supporting insulator 3 is connected to the flange 5 through a screw, and the other end is connected to the intermediate shield 7 through a screw, and then the intermediate shield 7 is matched with the shielding flange 2 and then connected through screws. Connect the flange 5 and the hollow composite in...

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Abstract

The invention relates to a 1100kV high-voltage 11000A high-current lead-out bushing. The 1100kV high-voltage 11000A high-current lead-out bushing includes a center conductor, a shielding flange, a support insulator, a sealing ring, a flange, a grounding shielding component, a middle shielding component, a hollow composite insulator, an upper shielding component and a wiring terminal; after being plated with silver, an end surface of the center conductor is connected with the wiring terminal through a bolt; the grounding shielding component and the middle shielding component are connected together through the support insulator, and thereafter are fixed to the flange. According to the 1100kV high-voltage 11000A high-current lead-out bushing of the invention, a grounding shielding component and middle shielding component-combined uniform electric field distribution mode is adopted, and therefore, an insulation level can be improved; two ends of the center conductor are plated with silver, so that current through-flow capability can be enhanced; and the wiring terminal is shielded by the upper shielding component, so that the corona initial voltage level of the lead-out bushing is improved. With the 1100kV high-voltage 11000A high-current lead-out bushing of the invention adopted, the operation reliability of power transmission equipment can be improved, and the transmission of large-capacity electric power can be improved.

Description

technical field [0001] The invention relates to a 1100kV high-voltage 11000A high-current outlet bushing structure, which is applied to 1100kV extra-high voltage circuit breakers and combined electrical appliances. Background technique [0002] With the continuous advancement of my country's power system technology, the research and development strength of major high-voltage electrical appliance manufacturing companies continues to increase, the high-voltage switch structure is more reasonable, and the performance is more reliable. my country already has enough strength to carry out research and development and production of ultra-high voltage and ultra-high voltage electrical appliances; and , with the strengthening of the country's economic strength, the continuous implementation of major national construction projects and the development of the western region, the demand for high-voltage switchgear is also increasing, and the voltage level is gradually increasing from 330kV...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02B13/035H01H71/08
CPCH01H71/08H02B13/0358
Inventor 宫瑞磊史鑫乔松松谢文刚
Owner SHANDONG TAIKAI HIGH VOLTAGE SWITCH
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