摘要
运用交流电路中线圈的自感特性 ,制成一种白炽灯的延寿节电开关 ,它可消除白炽灯起动瞬间的浪涌电流 ,延长白炽灯寿命 ,节约用电 .
According to self-induction characteristic of the coils in alternating circuit, a kind of lamp switch that can eliminate the surge current at the moment of the incandescent lamp being started is produced. It can prolong lamp life and economize electric energy.
出处
《物理实验》
北大核心
2003年第3期37-39,共3页
Physics Experimentation