Disclosed herein is a power measurement system capable of power of electric devices without performing a quantization process through a separate analog-digital converter for voltage. The power measurement system includes a smart meter measuring a voltage root mean square value input to an electrical device; and a power measurement device measuring power of the electrical equipment using a voltage root mean square value Vrms measured by the smarter meter and a current instantaneous values of power lines connected to the electric device.
申请公布号
US2013085692(A1)
申请公布日期
2013.04.04
申请号
US201213607969
申请日期
2012.09.10
申请人
LEE HYUN SUK;BAEK WON JIN;LEE YUN HEE;SAMSUNG ELECTRO-MECHANICS CO., LTD.