交流电

The electro-magnetic microgenerator utilizes a moving magnet or coil for inducing an alternating electric current in a circuit.

微型电磁发电器以移动的磁铁或线圈，在电路制造出感应交流电。

AC Milliammeter, Model J0414, is suitable for the laboratories of middle schools and polytechnic schools to measure current intensity in the AC circuit.

J0414型交流毫安适用于学、专实验室测量交流电路的电流强度。

The result shows that CJD alternating current electrodynamometer has simple structure and the energy feedback efficiency can reach 74%, with outstanding energy-saving effect, good control stability.

运行明，该CJD交流电力测功机控制性能稳定，可靠性好，节能效显著，能量反馈效率最高可达到74%。