这是电力系统中用于电动机驱动及保护的源代码。包括了目前国内外主流电动机能够适用的逻辑驱动及逻辑保护原理。-This is the power system for motor drive and the protection of the source code. Including the mainstream of the current motor home and abroad can apply to the logical drive and the protection of the principle of logic.