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CN106501755A 一种基于动态负荷模型的智能电能表动态误差测量方法 无效 - 撤回

一种基于动态负荷模型的智能电能表动态误差测量方法
摘要：
本发明公开了一种基于动态负荷模型的智能电能表动态误差测量方法，其特征在于建立动态负荷电压、电流信号的数学模型；建立动态负荷电能序列的数学模型；建立电能序列激励与动态负荷模式；提出电能表动态误差的测量算法；建立电能表动态误差的测试系统；测试结果分析6个步骤，运用本发明方法产生的动态负荷波形便于控制，呈现周期特性，能够实现动态电能量值的溯源，可有效测试电能表的动态误差，充分反映动态负荷的变化范围和功率模式。周期变化的动态负荷测试激励可实现重复测试对比电能表的动态误差，不确定度小于 0.4%。
摘要（英）：

The invention discloses a smart electric energy meter dynamic error measurement method based on a dynamic load model. The method is characterized by comprising six steps of establishing a mathematic model of dynamic load voltage and current signals; establishing a mathematic model of a dynamic load electric energy sequence; establishing an electric energy sequence excitation and dynamic load mode; bringing forward an electric energy meter dynamic error measurement algorithm; establishing an electric energy meter dynamic error testing system; and analyzing a testing result. The dynamic load waveform generated by the method is convenient to control and has periodic characteristics, traceablility of the dynamic electric energy value is achieved, the dynamic error of the electric energy meter can be effectively tested, and the variation range and the power mode of the dynamic load can be fully reflected. Dynamic load test excitation of periodic variations can achieve repeated testing and comparison of dynamic errors of the electric energy meter, and the uncertainty is less than 0.4%.

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