分析两种剩余电压测试方法—剩余电压测试仪法和数字存储示波器法的优、缺点，详细分析数字存储示波器法的输入阻抗、示波器供电电源、测试设备计量溯源等问题，并对最大剩余电压测量结果的不确定度进行分析评定，尽量减小各不确定度分量，以保证最高剩余电压的检测结果准确可靠。%The advantages and disadvantages ofthe residual voltage tester method and digital storage oscilloscope method in the input impedance of the oscilloscope、power supply of oscilloscope and traceability of measurement equipment etc are analyzed in details.The maximum residual voltage measurement uncertainty components arealso analyzed to minimize the uncertainty components and to ensure accurate and reliable results of the highest residual voltage test.
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