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    • 5. 发明授权
    • Method and device for measuring an electrical voltage
    • 用于测量电压的方法和装置
    • US07084616B1
    • 2006-08-01
    • US09380410
    • 1998-03-05
    • Frank JenauHarald Schwarz
    • Frank JenauHarald Schwarz
    • G01R31/00G01R31/308G01D5/34G01J1/34
    • G01R15/242
    • A method and device for measuring electrical voltage allow measurement under open-air conditions including high-voltage and very high voltage. Influence of temperature changes on electrical and optical parameters of the device are reduced by using light sources, at least one optical transmission path, at least one sensor element with at least one active sensor part made up of several sensor crystals and evaluation by Pockel's effect using optical activity in a crystal. Measurement light generated by a light source penetrates an active sensor, which has at least two voltage comprising evaluation means for evaluating the polarization state of measurement light traversed through sensor crystals wherein the evaluation means is used with a component assembly for scaling and multiplying input signal by a factor generated by a function unit, its input quantity representing the difference between a reference signal and a factored output signal wherein the function unit performs integration.
    • 用于测量电压的方法和装置允许在露天条件下进行测量,包括高电压和非常高的电压。 通过使用光源,至少一个光传输路径,至少一个具有至少一个由几个传感器晶体组成的有源传感器部分的传感器元件并且通过Pockel效应来评估温度变化对器件的电学和光学参数的影响, 晶体中的光学活性。 由光源产生的测量光穿透有源传感器,该有源传感器具有至少两个电压,包括用于评估通过传感器晶体穿过的测量光的偏振状态的评估装置,其中评估装置与组件组件一起使用,用于对输入信号进行缩放和乘法,并将输入信号乘以 由功能单元产生的因子,其输入量表示参考信号和因子输出信号之间的差异,其中功能单元执行积分。