电气，Cascade Protection，汉语啥意思？

Cascade Protection
The application of protective devices in which the device nearest to the source of power has short-circuit ratings equal to or in excess of the maximum prospective short-circuit current, while devices in succeeding steps further from the source have lower short-circuit ratings.

菠菜东

过电流保护装置？你哪里看到的？

孤单的瓶子

级联保护
是限流保护的一种应用。