Cable insulation comprehensive diagnosis and test system
A technology for comprehensive diagnostic testing and cable insulation, which is applied in the direction of testing dielectric strength, dielectric performance measurement, and electrical measurement. and other problems to achieve the effect of improving the installation quality, improving the pressure equalizing effect, and improving the pressure equalizing effect.
Pending Publication Date: 2018-04-20
杭州盛能电力科技有限公司
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Problems solved by technology
[0002] During the daily detection of cables, in order to ensure that there is no potential difference between the various parts of the detection equipment and distribute the high voltage evenly around the object, a voltage equalization ring is usually installed on the detection equipment. However, the existing voltage equalization ring needs It is installed on the detection equipment through connecting rods, etc., and in order to improve the pressure equalization effect, multiple pressure equalization rings are usually installed on the detection equipment. These pressure equalization rings need to be installed separately, which increases the difficulty of installation and the installation efficiency is not high; and workers It is difficult to ensure that the distance between the pressure equalizing ring and the detection equipment is consistent during installation, which will affect the pressure equalizing effect
Therefore, the existing technology has the problems of troublesome installation and unsatisfactory pressure equalization effect.
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[0020] The present invention will be further described below in conjunction with the accompanying drawings and embodiments, but not as a basis for limiting the present invention.
[0021] Example. A comprehensive diagnostic test system for cable insulation, which consists of Figure 1 to Figure 8 As shown, it includes a high-voltage generating unit 1, a high-voltage switch 2, a high-voltage reactor 3, a capacitor voltage divider 4, a PC control unit 5 and a partial discharge coupling capacitor 6; The switch 2 is connected to the partial discharge coupling capacitor 6, the output end of the high-voltage generating unit 1 is connected to the input end of the high-voltage switch 2 and the high-voltage reactor 3, and the output end of the high-voltage reactor 3 is respectively connected to the input end of the capacitive voltage divider 4 and the cable under test The output end of the capacitive voltage divider 4 is connected to the input end of the partial discharge coupling uni...
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The invention discloses a cable insulation comprehensive diagnosis and test system, which comprises a high-voltage generating unit, a high-voltage switch, a high-voltage electric reactor, a capacitivevoltage divider, a PC control unit and a partial discharge coupling capacitor, wherein the PC control unit is connected with the high-voltage generating unit, the high-voltage switch and the partialdischarge coupling capacitor separately, an output end of the high-voltage generating unit is connected with input ends of the high-voltage switch and the high-voltage electric reactor, an output endof the high-voltage electric reactor is connected with an input end of the capacitive voltage divider and a tested cable separately, and an output end of the capacitive voltage divider is connected with an input end of the partial discharge coupling capacitor; and the upper ends of the high-voltage electric reactor and the capacitive voltage divider are each provided with a voltage equalizing mechanism. The cable insulation comprehensive diagnosis and test system has the advantages of convenient installation and capability of improving voltage equalization effect.
Description
technical field [0001] The invention relates to a cable testing device, in particular to a cable insulation comprehensive diagnosis testing system. Background technique [0002] During the daily detection of cables, in order to ensure that there is no potential difference between the various parts of the detection equipment and distribute the high voltage evenly around the object, a voltage equalization ring is usually installed on the detection equipment. However, the existing voltage equalization ring needs It is installed on the detection equipment through connecting rods, etc., and in order to improve the pressure equalization effect, multiple pressure equalization rings are usually installed on the detection equipment. These pressure equalization rings need to be installed separately, which increases the difficulty of installation and the installation efficiency is not high; and workers It is difficult to ensure that the distance between the pressure equalizing ring and...
Claims
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IPC IPC(8): G01R31/12G01R27/26
CPCG01R27/2694G01R31/1272
Inventor 斯应昌
Owner 杭州盛能电力科技有限公司
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