Evaluation method for lightning arrester characteristic distortion caused by high and low temperature factors
A lightning arrester, high and low temperature technology, applied in the field of evaluation of arrester characteristic distortion, can solve problems affecting the safety of power grid operation, aging of zinc oxide arrester, little consideration of the degree of distortion of arrester characteristics, etc.
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[0033] The specific embodiment of the present invention will be further described below in conjunction with the accompanying drawings, including the following steps:
[0034] first step, such as figure 1 As shown in Fig. 1, an evaluation platform for arrester characteristic distortion caused by high and low temperature factors is considered. The platform includes: working voltage generation trigger (1), data collection unit (2), host computer (3), working voltage generator ( 4), current detector (5), zinc oxide arrester (6), grounding grid (7), test chamber (8), temperature adjustment device (9), temperature analysis and processing device (10), temperature sensor (11), Coaxial cable (12), switch (13), current sensor (14);
[0035] The temperature adjustment end of the temperature adjustment device (9) is connected with the lower interface of the test chamber (8), the output end of the temperature adjustment device (9) is connected with the input end of the temperature sensor ...
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