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Schematic of a permanent magnet motor using brushes and magnets in the stator. A permanent magnet motor is a type of electric motor that uses permanent magnets for the field excitation and a wound armature. The permanent magnets can either be stationary or rotating; interior or exterior to the armature for a radial flux machine or layered with ...
A permanent magnet synchronous generator is a generator where the excitation field is provided by a permanent magnet instead of a coil. The term synchronous refers here to the fact that the rotor and magnetic field rotate with the same speed, because the magnetic field is generated through a shaft-mounted permanent magnet mechanism, and current is induced into the stationary armature.
The construction of a brushless motor system is typically similar to a permanent magnet synchronous motor (PMSM), but can also be a switched reluctance motor, or an induction (asynchronous) motor. They may also use neodymium magnets [ 1 ] and be outrunners (the stator is surrounded by the rotor), inrunners (the rotor is surrounded by the stator ...
Engineered fire suppression systems are design specific and most commonly used for larger installations where the system is designed for a particular application. Examples include large marine and land vehicle applications, server rooms, public and private buildings, industrial paint lines, dip tanks and electrical switch rooms. Engineered ...
The main objectives of the fire and gas system are to: Detect at an early stage the presence of flammable gas using gas detectors. Detect at an early stage hazardous liquid spills. Detect incipient fire and the presence of fire using fire detectors. Provide automatic and/or facilities for manual activation of the fire protection system as required.
Steve Angeli replaced Leonard with the Irish trailing 10-0. Leonard’s exit came as Notre Dame offensive lineman Rocco Spindler was treated by training staff.
The man and woman were walking along the beach at Smith Point County Park in Shirley just before 5 p.m. when they spotted the bone, police said.
Sgt. Robert Haugh: Her eye was swollen shut, black and blue. … She still had the, uh, zip tie around her one wrist. And I was shocked, and I had seen a lot in my career.