Breakdown test of kitten cable
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The AC breakdown strength has a great relationship with the boosting speed. Continuous boosting makes the breakdown of the cable within a few minutes as an instantaneous breakdown, which is basically no thermal factor and belongs to the type of electrical breakdown. Therefore, wire and cable are generally not tested in this way. The other is step-up step-up, starting from a lower voltage (for example, 0.5 to 2 times the operating voltage), and maintaining enough time for the cable to fully generate electricity and heat at this voltage level. Then rise to another voltage level again. Step up until breakdown. The level of voltage rise at each level increases step by step as a percentage of the initial pressure. This test reflects the factors of thermal breakdown. This test result has a good reference value. It is often used when studying product characteristics.