如何简单有效地限制超荷用电问题早就引起社会的关注。本文根据实验结果,提供一种新颖、实用、廉价的电子限电电路。该电路还具有对家电的延时保护功能。 How to limit the problem of super-charged electricity simply and effectively has long aroused the concern of the society. Based on the experimental results, this paper provides a novel, practical, low-cost electronic power-limiting circuit. The circuit also has the delay protection of home appliances.