首页>
外国专利>
ADJUSTABLE SPEED MOTOR DRIVE USING A WOUND ROTOR OF AN INDUCTION MOTOR MECHANICALLY CONNECTED TO THE ARMATURE OF A D.C. MOTOR,BOTH ELECTRICALLY CONNECTED BY A CONTROL SYSTEM
ADJUSTABLE SPEED MOTOR DRIVE USING A WOUND ROTOR OF AN INDUCTION MOTOR MECHANICALLY CONNECTED TO THE ARMATURE OF A D.C. MOTOR,BOTH ELECTRICALLY CONNECTED BY A CONTROL SYSTEM