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DC insulator insulation test device and method

An insulation test and DC insulation technology, applied in the direction of measuring devices, testing dielectric strength, instruments, etc., can solve the problems of test failure, insulation support can not meet the requirements of DC insulator insulation test, etc., and achieve the effect of improving efficiency

Active Publication Date: 2019-01-01
PINGGAO GRP +2
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Problems solved by technology

[0004] The purpose of the present invention is to provide a DC insulator insulation test method to solve the problem that the current DC insulator insulation test method uses insulating supports that cannot meet the requirements of the DC insulator insulation test, resulting in test failure; in addition, the purpose of the present invention is to provide a A DC insulator insulation test device realizing the above-mentioned DC insulator insulation test method

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  • DC insulator insulation test device and method
  • DC insulator insulation test device and method

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specific Embodiment 2

[0032] Specific embodiment 2 of the DC insulator insulation test device of the present invention, the difference between the DC insulator insulation test device in this embodiment and the above-mentioned embodiment 1 is only: as image 3 As shown, the insulator ground terminal mounting base 8 is set on the upper end of the test cylinder 2, correspondingly, the test cylinder 2 is provided with a ground terminal sealing cover 22 which is arranged above the test cylinder, and the removable sealing cover 23 is arranged on the top of the test cylinder 2. The end seals are along the diametrically opposite sides of the test cylinder. A screw fixing hole 42 for fixing the insulator is provided on the side of the insulator high-voltage end mounting base 4 facing the grounding end mounting base, and a screw dismounting opening 41 is provided on the side facing the insulator dismounting opening. Since the mounting base of the insulator ground terminal can also be set on the top of the te...

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Abstract

The invention relates to the field of high-voltage insulation equipment, and especially relates to a DC insulator insulation test device and a DC insulator insulation test method. The DC insulator insulation test device comprises a vertically-arranged high-voltage lead-in sleeve and a horizontally-arranged test cylinder connected with the high-voltage lead-in sleeve. The high-voltage lead-in sleeve and the test cylinder have communicated sealed cavities. The high-voltage lead-in sleeve is internally equipped with a high-voltage lead-in device. The test cylinder is internally equipped with a high-voltage conductor electrically connected with the high-voltage lead-in device, and the high-voltage conductor is configured in the test cylinder in an overhanging way. The top or bottom, away from the joint with the high-voltage lead-in sleeve, of the test cylinder is equipped with an insulator grounding end installation seat electrically connected with the test cylinder. The high-voltage conductor is equipped with an insulator high-voltage end installation seat arranged opposite to the insulator grounding end installation seat. The space between the insulator grounding end installation seat and the insulator high-voltage end installation seat is used to support and assemble a tested insulator in test. The problem that the existing insulator insulation test device cannot meet the requirement of DC insulator test is solved.

Description

technical field [0001] The invention relates to the field of high-voltage insulation equipment, in particular to a DC insulator insulation test device and method. Background technique [0002] With the implementation of the power development strategy of "vigorously developing hydropower and thermal power resources in the west and implementing power transmission from west to east", the state will further increase the development of energy resources in Xinjiang, Tibet and other western regions. In order to reduce transmission corridors, improve transmission efficiency, and reduce transmission costs, it is urgent to build UHV DC transmission lines. Compared with AC transmission, HVDC transmission has the advantages of strong transmission capacity, small line loss, and small fault loss in long-distance (>600km) transmission, especially the newly developed flexible DC transmission technology, which is especially suitable for long-distance large-scale transmission. Capacity tr...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/12
CPCG01R31/1245
Inventor 李继承袁端鹏林生军田浩郝留成杨保利侯亚峰
Owner PINGGAO GRP
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