Synchronous motor with soft start element formed between the motor rotor and motor output shaft to successfully synchronize loads that have high inertia and/or high torque
Patent
·
OSTI ID:1162106
A line-start synchronous motor has a housing, a rotor shaft, and an output shaft. A soft-start coupling portion is operatively coupled to the output shaft and the rotor shaft. The soft-start coupling portion is configurable to enable the synchronous motor to obtain synchronous operation and to drive, at least near synchronous speed during normal steady state operation of the motor, a load having characteristics sufficient to prevent obtaining normal synchronous operation of the motor when the motor is operatively connected to the load in the absence of the soft-start coupling. The synchronous motor is sufficiently rated to obtain synchronous operation and to drive, at least near synchronous speed during normal steady state operation of the motor, a load having characteristics sufficient to prevent obtaining normal synchronous operation of the motor when the motor is operatively connected to the load in the absence of the soft-start coupling.
- Research Organization:
- Baldor Electric Company, Fort Smith, AK (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- FG36-08GO18132
- Assignee:
- Baldor Electric Company (Fort Smith, AK)
- Patent Number(s):
- 8,872,465
- Application Number:
- 13/787,216
- OSTI ID:
- 1162106
- Country of Publication:
- United States
- Language:
- English
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