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For example; a single-phase motor with 3 north and 3 south poles, having 6 poles per phase, is a 6-pole motor. A three-phase motor with 18 north and 18 south poles, having 6 poles per phase, is also a 6-pole motor. This industry standard method of counting poles results in the same synchronous speed for a given frequency regardless of polarity.
is the motor velocity, or motor speed, [2] constant (not to be confused with kV, the symbol for kilovolt), measured in revolutions per minute (RPM) per volt or radians per volt second, rad/V·s: [3]
A linear induction motor (LIM) is an alternating current (AC), asynchronous linear motor that works by the same general principles as other induction motors but is typically designed to directly produce motion in a straight line. Characteristically, linear induction motors have a finite primary or secondary length, which generates end-effects ...
[2] [3] [4] Usage is attested the same year by Silvanus P. Thompson in the first edition of Dynamo-Electric Machinery. [4] Thompson motivates the term as follows: [ 3 ] Just as the Newtonian definition of force is that which produces or tends to produce motion (along a line), so torque may be defined as that which produces or tends to produce ...
Boston should record about 3 feet of snow each winter but less than 2 feet fell in the past two winters combined. This upcoming stretch could bring 1 to 2 feet of snow to the city, depending on ...
3. Stir the beans, chopped tomatoes, Italian seasoning and orzo into the roasted vegetables, along with 350ml boiling water and some seasoning. Add the chicken breast chunks, scatter over the ...
Torsion of a square section bar Example of torsion mechanics. In the field of solid mechanics, torsion is the twisting of an object due to an applied torque. [1] [2] Torsion could be defined as strain [3] [4] or angular deformation, [5] and is measured by the angle a chosen section is rotated from its equilibrium position. [6]
DETROIT — Retired Lt. Col. Harry Stewart Jr., a decorated combat pilot of World War II’s mostly Black 332nd Fighter Group, commonly known as the Tuskegee Airmen, has died.He was 100.