The first DC motor was made by a British scientist William Sturgeon in the year of 1832. The motor he made was the first motor capable of turning machinery.
Not usually. But this depends on how the motor is made. So a permanent magnet motor is usually a d.c. Motor. It's something to do as with the wires in the motor, the electromagnet-outer fields are wound.
The synchronous motor is made self starting by providing a special winding on the rotor poles, known as damper winding or squirrel cage winding. AC supply given to the stator produces a rotating magnetic field which causes the rotor to rotate, therefore, in the beginning synchronous motor provided with damper winding starts as a squirrel cage induction motor. The exciter moves along the rotor. When the motor attains about 95%of synchronous speed, the rotor winding is connected to exciter terminals and the rotor is magnetically locked by the rotating field of the stator and the motor runs as a synchronous motor. While starting a synchronous motor, the field winding must be shorted through a suitable resistance so that the induced voltage is distributed throughout the whole winding and no part is subjected to the high voltage induced in the entire winding.
The single phase induction motors are made self starting by providing an additional flux by some additional means. Now depending upon these additional means the single phase induction motors are classified as: 1.Split phase induction motor. 2.Capacitor start inductor motor. 3.Capacitor start capacitor run induction motor. 4. Shaded pole induction motor.
That condition is called a "ground fault". That's when the insulation of the motor winding has a break somewhere, allowing current to leak to the motor housing. The motor SHOULD be grounded, protecting the user from electrical shock, but many older motors were not grounded, providing the potential for just this type of condition. Newer motors are often "double insulated", meaning that not only is the motor winding insulated, the motor housing is also insulated. Often the housing of a double insulated motor is made of a type of plastic.
China
Racal Electronics was purchased by Thales Group (formerly known as Thomson-CSF) in the year 2000. Racal used to be the third largest firm for electronics.
210000
Racal Instrument's Ltd 480 Bath Road Slough Berkshire SL1 6BE England
Rachael Carpani goes by Racal.
nope how says that he gave 2000 not 2000000
The Jeff Foxworthy Show - 1995 Jeff and Ray and Racal's Big Adventure 1-7 was released on: USA: 4 November 1995
The model in dizzee racal is your Mom
The first DC motor was made by a British scientist William Sturgeon in the year of 1832. The motor he made was the first motor capable of turning machinery.
His ac motor was made in 1888.
A brush is made out of carbon.
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