1. The starting characteristics. 2. The requirement of speed regulation. 3. The torque and the power characteristics with respect to the shaft speed. 4. The cost economy. 5. The need t o breaking. 6. The dynamic vibration such as vibration. 7. The advantage of electrical energy. 8. The efficiency including the operating condition. 9. The robustness of motor. Electrical Drive System Fixtures and Economics Whats way Wal...
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