Ultralow frequency partial discharge detection-based evaluation method and system
A partial discharge detection and evaluation system technology, applied in the direction of testing dielectric strength, fault location, etc., to ensure safe and reliable operation and reduce cable faults
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[0021] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0022] The application principle of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0023] like figure 1 As shown, the evaluation method based on ultra-low frequency partial discharge detection in the embodiment of the present invention includes the following steps:
[0024] S101: According to the new laying or operation of the cable line, for the power cable suspected of having insulation defects, in combination with the test arrangement before putting into operation or the power outage maintenance plan for the connected electrical equipment, ...
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