Permanent split capacitor single phase electric motor system
Patent
·
OSTI ID:7249708
A permanent split capacitor single phase electric motor achieves balanced operation at more than one operating point by adjusting the voltage supplied to the main and auxiliary windings and adjusting the capacitance in the auxiliary winding circuit. An intermediate voltage tap on an autotransformer supplies voltage to the main winding for low speed operation while a capacitive voltage divider is used to adjust the voltage supplied to the auxiliary winding for low speed operation. 4 figs.
- DOE Contract Number:
- W-7405-ENG-26
- Assignee:
- Westinghouse Electric Corp., Pittsburgh, PA (United States)
- Patent Number(s):
- US 4465962; A
- Application Number:
- PPN: US 6-479776
- OSTI ID:
- 7249708
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
320303* -- Energy Conservation
Consumption
& Utilization-- Industrial & Agricultural Processes-- Equipment & Processes
CONTROL
CONTROL EQUIPMENT
CONTROL THEORY
ELECTRIC MOTORS
ELECTRICAL EQUIPMENT
ENGINES
EQUIPMENT
MOTORS
OPEN-LOOP CONTROL
SPEED REGULATORS
TRANSFORMERS
320303* -- Energy Conservation
Consumption
& Utilization-- Industrial & Agricultural Processes-- Equipment & Processes
CONTROL
CONTROL EQUIPMENT
CONTROL THEORY
ELECTRIC MOTORS
ELECTRICAL EQUIPMENT
ENGINES
EQUIPMENT
MOTORS
OPEN-LOOP CONTROL
SPEED REGULATORS
TRANSFORMERS