Electrical Engineering ⇒ Topic : Motor converter
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Sachin
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MOTOR CONVERTER A motor converter essentially consists of an ordinary slip-ring induction motor coupled both mechanically and electrically to a D.C. generator. The rotor of the induction motor is usually wound for 12 phases to obtain better performance. A.C. voltage up to 11 kV can be directly fed to the stator. If A.C. voltage available is more than 11 kV then it is economical to step down the voltage before feeding it to the stator winding. The rotor of the slip-ring induction motor is mechanically as well as electrically coupled to D.C. generator. D.C. generator is also known as armature of the converter. The motor input energy is partly transmitted mechanically (through the shaft) and partly electrically, i.e., as slip ring energy from the rotor of the induction motor | |
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