Beijing University of Chemical Tehcnology

Power Supply Service and Management Center, State Grid Jiangxi Electric Power Co., Ltd.

Qiang Liu

Xuewei Wang

Di Wu

Yanlinzi Huang

Aichao Yang

Tao Hu

Gaofeng Deng

Jian Ma

Kexu Chen

Yan Zhao

Disclosed are a dynamic error measurement apparatus, system, and method for an electricity meter. The measurement apparatus includes a test signal generation unit configured to generate a voltage test signal and two-circuit current test signals, output the voltage test signal to a measurement unit, and output the two-circuit current test signals to the measurement unit and a current summation unit; the measurement unit configured to determine two-circuit electric energy values based on the voltage test signal and the two-circuit current test signals, and output the two-circuit electric energy values to a calculation control unit; the current summation unit configured to determine a combined current signal based on the two-circuit current test signals; and the calculation control unit configured to determine a total electric energy value based on the two-circuit electric energy values. The system includes a standard meter and a measurement apparatus.

Dynamic error measurement apparatus, system, method for electricity meter

Growing community of inventors

Jiangxi, China

Qiang Liu