The single phase kilowatt-hour meter is an often-used electrotechnical instrument to measure the active electric energy.
单相电度表是度量有功电能的常用电工仪表。
Measure function: can measure current, voltage, active power, reactive power, frequency, zero sequence current, electric energy, 2 pulse inputs implement watt-hour meter auto read;
测量功能：高精度测量电流电压、P、Q、功率因数、频率、零序电流、计算电度；2路脉冲量输入实现外部电度表自动抄表；
Introduced energy measurement chipset AT73C500 and AT73C501 of ATMEL company. Designed a kind of electronic energy meter with the chipset to measure various electric parameters.
介绍了ATMEL公司的电能计量专用芯片组at73 C5 0 0和at 73 C5 0 1，用它设计了一种全电子电能表，以实现对多种电参数的测量。
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