Study on Test Technology of Low Current Intelligent Watt-hour Meter Demand Indication Error

Demand measurement function is an important technical index of intelligent watt-hour meter.Demand indication error test is an important content in the calibration of watt-hour meter.In the light of intelligent watt-hour meter with rated current under 1A, the problems exited in demand indication error test are analyzed.Started from test data,the test technology of low current intelligent watt-hour meter demand indication error is studied,and related resolution and suggestion are put forward.