有功电能表
介绍了ADE7763芯片测量有功电能的原理及用该芯片设计的单相多费率电能表。
Introduces the principle of ADE7763 chip on measuring active energy and the design of single-phase multiple-rate electricenergy meter based on chip.
本文给出了一种电能计量装置现场校验的方法，通过对三相电能表无功计量误差的校验，可以间接地求得其表计的有功计量误差。
TA field calibration method for power metering device is given. By calibrating the error of the reactive power metering, the error of active power metering can be indirectly calibrated.
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