| 21. | Instead of using a set of switched capacitors, an unloaded synchronous motor can supply reactive power.
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| 22. | Unlike synchronous motors, induction generators are load-dependent and cannot be used alone for grid frequency control.
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| 23. | This machine, using the standard synchronous motor, uses less than 1.5 amps at 115VAC 60 Hz.
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| 24. | The propulsion is realized by a permanent magnet synchronous motor with an electrical driven variable-pitch propeller.
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| 25. | Launch lift hills use mostly linear synchronous motors or linear induction motors but sometimes use drive tires.
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| 26. | Permanent magnet synchronous motors have quite limited field-weakening speed range due to the constant magnet flux linkage.
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| 27. | Usually, they are driven by AC-synchronous motors.
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| 28. | Wicked was the first LSM ( linear synchronous motor ) launched roller coaster to utilize a flywheel inverter.
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| 29. | Most had two pole synchronous motors.
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| 30. | Despite years of development, there is still no working mass transit system employing linear induction or synchronous motors.
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