系统具有对三相电机的断相、过载和短路保护，并且系统结构简单、成本较低。
1·The analytical and experimental results show that the shortcircuit protection circuit is fast, safe, reliable and simple, and is of great application value.
分析与实验结果表明，短路保护快速、安全、可靠、简便、应用价值较大。
2·The thesis will analyze the fast fuse used as soft start shortcircuit protect.
本文分析了快熔作软起动器短路保护的可行性和必要性。