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Evalution method of linearity of ratio error and phase angle error of voltage transformer comparison measurement system using capacitor burden
Evalution method of linearity of ratio error and phase angle error of voltage transformer comparison measurement system using capacitor burden
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机译：利用电容器负荷的变压器比较测量系统比率误差和相角误差的线性度评估方法
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摘要
The present invention using a capacitive load voltage transformer (voltage transformer, VT) compared to the non- measurement system error linearity relates to the evaluation method and the phase of each error . To this end, the voltage between the secondary side of the reference voltage transformer 40 and the measured voltage of the supply transformer for the same voltage to the primary side of 50, the reference voltage transformer 40, the secondary side and the measured voltage transformer (50) Comparative transformer measuring device 60 is connected , the secondary side of the measured voltage transformer 50, the capacitive charge (Z b ) (65) to compare the voltage transformer connected to the measuring system in parallel in , the capacitive charge (X b ) as a variation to the experimental value of the measured ratio error and phase angle error as compared with the theoretical value calculated from a predetermined formula ratio error (RE b ) and phase linearity is evaluated for each error ( b ).
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机译：与使用本发明的电容性负载电压互感器（电压互感器，VT）相比，非测量系统的误差线性度与评估方法和每个误差的相位有关。为此，对于与初级侧50相同的电压，基准电压互感器40的次级侧与电源变压器的测量电压之间的电压，基准电压互感器40，次级侧和测量电压互感器（ 50）连接比较变压器测量装置60，将被测电压互感器50的次级侧的电容电荷（Z b ）（65）比较，以并联方式将电压互感器连接至测量系统，即电容电荷（X b ）与从预定公式比率误差（RE b ），并针对每个误差（ b ）评估相位线性。
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