摘要 |
The present DC motor with auxiliary exciting power supply (P101) for switching-on series (or compound) start of shunt normal operation according to the load discloses the operation of switch device (SW101) for auxiliary exciting power supply to excite series field winding (S101) during normal operation and further appear the characteristics of high-efficiency and low-loss shunt operation, while series or compound start or overload operation is formed to obtain excellent start or overload characteristics. <IMAGE> |