This article introduced take the AD7757 electrical energy measurement chip as the core, designs one kind of survey city electricity active power the intelligent electric meter method.
介绍了以ad7757电能计量芯片为核心，设计一种测量市电有效功率的智能电度表的方法。
This paper introduces error_wiring common situation of three phase and three line active electric energy meter, and introduces the methods of test, analysis and amendment.
介绍三相三线有功电能表错误接线常见情况，介绍检查、分析及更正方法。
Introduces the principle of ADE7763 chip on measuring active energy and the design of single-phase multiple-rate electricenergy meter based on chip.
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。
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；
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；
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