Induction vs Synchronous Motors

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Compare two motor types.

Wong Vei Ling

Malaysia

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Compléter Induction vs Synchronous MotorsVersion en ligne Compare two motor types. par Wong Vei Ling 1 operate by electromagnetic induction where the stator creates a rotating field that induces current in the . The rotor typically has a squirrel cage and runs at a speed slightly below the , a difference called . They are rugged , inexpensive , and require little maintenance , but their starting torque and power factor can be lower unless specially designed . , by contrast , run at the exact synchronous speed and require or permanent magnets to lock the rotor in step with the stator field , delivering high efficiency and controllable power factor . 2 rely on a commutator and to generate , which gives good starting torque and speed control but requires more maintenance due to wear . AC machines use alternating current ; are rugged and cheap , while achieve precise speeds with . In practice , DC machines excel when speed is needed , such as in conveyors , whereas AC motors dominate - speed duties like pumps and fans .