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A motor control center ( MCC) is an assembly to control some or all electric motors in a central location. It consists of multiple enclosed sections having a common power bus and with each section containing a combination starter, which in turn consists of motor starter, fuses or circuit breaker, and power disconnect. [ 1]
An electric wheel hub motor car was raced by Ferdinand Porsche in 1897 in Vienna, Austria. He developed his first cars as electric cars with electric wheel hub motors that ran on batteries. [15] A racecar by Lohner–Porsche fitted with four wheel-hub motors debuted at the World Exhibition in Paris in 1900. Alongside it a commercial model was ...
A motor controller is a device or group of devices that can coordinate in a predetermined manner the performance of an electric motor. [1] A motor controller might include a manual or automatic means for starting and stopping the motor, selecting forward or reverse rotation, selecting and regulating the speed, regulating or limiting the torque, and protecting against overloads and electrical ...
P {\displaystyle \scriptstyle P} is the resistive power loss ( SI unit: watt) The motor constant is winding independent (as long as the same conductive material is used for wires); e.g., winding a motor with 6 turns with 2 parallel wires instead of 12 turns single wire will double the velocity constant, , but remains unchanged. can be used for ...
Horsepower. One imperial horsepower lifts 550 pounds (250 kg) by 1 foot (30 cm) in 1 second. Horsepower ( hp) is a unit of measurement of power, or the rate at which work is done, usually in reference to the output of engines or motors. There are many different standards and types of horsepower.
The engine was dropped from production in 1998. [1] The CB-40 was re-engineered to overcome problems of vibration and cooling in the original design. [2] Suited for ultralight use and single seat light sport aircraft, the engine weighs 86 lbs and produces 40 hp (30 kW). The engine uses a short aluminum crankcase with redesigned oil galleries ...
EA52: 977 cc OHV, 55 hp at 6,000 rpm used in the 1966–1971 Subaru 1000. EA61: 1088.8 cc OHV, 62 hp at 6,400 rpm used in the 1970–1972 Subaru FF-1 Star and Subaru G. EA62: 1267.5 cc OHV, 80 hp at 6,400 rpm used in the 1971–1972 Subaru G. EA63: 1362 cc OHV, 58 hp at 5,200 rpm used in the 1973–1976 Subaru Leone.
Induction motor. Three-phase totally-enclosed fan-cooled ( TEFC) induction motor with end cover on the left, and without end cover to show cooling fan on the right. In TEFC motors, interior heat losses are dissipated indirectly through enclosure fins, mostly by forced air convection. Cutaway view through stator of TEFC induction motor, showing ...