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使用兆欧表,电工对电动机电路、电动机绕组和线圈以及高功率的电缆等装置进行绝缘电阻测试。这些测试通常被称为“兆欧表测试”。进行绝缘电阻测试的主要价值在于在设备的使用寿命内把周期性测试所得的数据用图表表示出来,同时对温度进行校正。这种测试有助于检测装置的种种衰
Using megameters, an electrician tests the insulation resistance of devices such as motor circuits, motor windings and coils, and high-power cables. These tests are often called “megger tests.” The main value of insulation resistance testing is that the data obtained from the periodic tests is graphically displayed over the useful life of the equipment and the temperature is corrected. This test helps to detect the device failure