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发明公开
CN105301554A 一种电能计量回路高精度数据同步采样装置及方法 无效 - 驳回

一种电能计量回路高精度数据同步采样装置及方法
摘要：
一种电能计量回路高精度数据同步采样装置，包括有电压变换互感器、电流变换互感器、第一滤波器、第二滤波器、第一A/D转换器、第二A/D转换器、基准模块、处理模块和恒温晶振。本发明总误差在0.0193％以内，满足对关口计量点二次回路电压和电流的高精度采样，加上数字化电能表校验仪，可以实现对关口电能表的校验功能。
摘要（英）：

Provided is an electric energy metering loop high precision data synchronous sampling device, comprising a voltage transformation mutual inductor, a current transformation mutual inductor, a first filter, a second filter, a first A/D converter, a second A/D converter, a reference module, a processing module and a constant temperature crystal oscillator. The device has a gross error within 0.0193%, and meets the high precision sampling requirement for gateway stoichiometric point secondary circuit voltage and current; in addition, in cooperation with a digital electric energy meter check meter, the device can verify a gateway electric energy meter.

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