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Archive | 2013

Power meter calibrating system and power meter calibrating method for intelligent electric meter

Ren Zhiren; Zhou Xuan; Kang Xi; Guo Ru


Archive | 2014

Micro control unit (MCU) built-in reference temperature compensation method based on system on chip (SOC) electric meter

Wang Longfeng; Ren Zhiren; Jia Jun; Zhou Xuan; Han Xiaojun; Huang Jie


Archive | 2013

RTC clock verification apparatus for electric energy meters

Huang Jie; Ren Zhiren; Zhou Bi; Zhang Liang; Zhou Xuan


Archive | 2011

Reactive power measurement method

Wang Longfeng; Gao Bo; Ren Zhiren; Zhou Jiewen; Zhou Xuan


Archive | 2014

Method for dynamically adjusting current channel gain of wide-range electric energy meter

Ren Zhiren; Zhou Xuan; Jia Jun; Xia Daye


Archive | 2013

Single-phase intelligent electric energy meter

Han Xiaojun; Ren Zhiren; Zhou Xuan


Archive | 2015

Multifunctional clock tester for detection of electric energy meter

Ren Zhiren; Xue Lei; Zhou Xuan; Huang Jie; Zhou Jiewen


Archive | 2013

Static bolt lock protection circuit based on chip SW172x

Ren Zhiren; Liu Wei; Zhou Xuan


Archive | 2013

Nonpolar 485 communication circuit suitable for electric energy meter

Ren Zhiren; Xue Lei; Zhou Xuan; Wu Haiqiang


Archive | 2013

Small-signal filtering algorithm used for wide-range energy meter

Xiao Qian; Zhou Xuan; Jia Jun; Guo Ru; Ren Zhiren

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