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通过对500kV光学电压传感系统在工频高压下的传感特性测试，研究了光学电压传感器在垂直位置、上部法兰高度等变化时对测试参数大小、灵敏度、线性度，稳定性的影响．实验研究表明：垂直位置的变化、上部法兰高度的变化都会对测试值有显著影响；下引电极或下置电极的引入能有效地调整和改善测试灵敏度；光学电压传感系统测试值与外加电压有较好的线性关系。
By measuring the sensing characteristics of 500kV optical voltage sensing system under high frequency and high frequency, the influence of the optical voltage sensor on the parameters of size, sensitivity, linearity and stability when the vertical position and the height of the upper flange are changed is studied. Experimental results show that the change of vertical position and the height of the upper flange all have a significant influence on the test value. The introduction of the lower or lower electrodes can effectively adjust and improve the test sensitivity. The test values of the optical voltage sensor system and the external Voltage has a good linear relationship.