浙江电力
浙江電力
절강전력
ZHEJIANG ELECTRIC POWER
2013年
9期
22-24
,共3页
单相电能表%电流采样%误差
單相電能錶%電流採樣%誤差
단상전능표%전류채양%오차
single-phase electric emergy meter%current sampling%error
针对一起单相智能电能表存在空走反向功率的故障，实验分析指出电流采样回路中电阻阻值变化是引起故障的原因，从电流采样回路焊接质量、工艺与装配质量等方面分别分析造成阻值变化的原因，提出电能表质量监督与管控的要点。
針對一起單相智能電能錶存在空走反嚮功率的故障，實驗分析指齣電流採樣迴路中電阻阻值變化是引起故障的原因，從電流採樣迴路銲接質量、工藝與裝配質量等方麵分彆分析造成阻值變化的原因，提齣電能錶質量鑑督與管控的要點。
침대일기단상지능전능표존재공주반향공솔적고장，실험분석지출전류채양회로중전조조치변화시인기고장적원인，종전류채양회로한접질량、공예여장배질량등방면분별분석조성조치변화적원인，제출전능표질량감독여관공적요점。
Aiming at a fault of reverse power of single-phase smart electric energy meter, the paper by exper-iment analyzes and indicates that the fault is caused by change of resistance value in sampling circuit. The paper analyzes the reasons of resistance value change in terms of welding quality of current sampling circuit , technology and assembly quality, and proposes the essentials of quality inspection and control of electric en-ergy meters.
