小相序紊乱引起WK─4挖掘机无力故障浅析

Fault Analysis of Lack Strength Led by the Second Power Out of Phase in WK-4 Excavator

阐述了ＷＫ-４挖掘机小相序固定移相原理，并针对其相位发生紊乱时造成的挖掘机故障进行了详细分析。

This article describes the principle of phase control of the second power in WK-4 excavator,The faults that the secondpower is out iof phase is analyzed in detail.