The lowvoltagepowersupply of Na (Hg) lamp used in experiment usually uses inductance to operate as current limiter.
实验用低压钠（汞）灯电源一般用电感元件作为限流器。
2
The hotel, which can be set up in any place, provides a private bathroom, wooden flooring, a heating system and lowvoltagepowersupply.
酒店中包括私人浴室、木质地板、供热系统以及低压电源。
3
This paper investigates the phenomenon of electrification of zero conductor in lowvoltagepowersupply system on the basis of actual circuit, and suggests sollutions for four possible causes.