stator winding वाक्य
उदाहरण वाक्य
मोबाइल
- One such machine had 600 pole pairs in the stator winding, and the rotor was driven at 2170 RPM, for an output frequency near 21.7 kHz.
- If the stator winding is a two-pole winding, moving the rotor through 180 degrees physically will change the phase of the induced voltage by 180 degrees.
- The traction motors are three phase synchronous type ( as used in the contemporary TGV Atlantique ) but with two three phase stator windings offset by 30 degrees.
- Low conductivity demineralised water is circulated through the stator windings by a pump and passes through coolers and a filter before entering the inlet manifold of the winding.
- In the linear synchronous motor, the copper or aluminum is replaced by large magnets under the cars which are attracted to or repelled by the magnetic field generated in the stator windings.
- Often there are three sets of stator windings, physically offset so that the rotating magnetic field produces a three phase current, displaced by one-third of a period with respect to each other.
- It is called synchronous because the composite magnetic field produced by the three stator windings rotate at the same speed as the magnetic field produced by the field winding on the rotor.
- Paraphrasing from Alger in Knowlton, an induction motor is simply an electrical transformer the magnetic circuit of which is separated by an air gap between the stator winding and the moving rotor winding.
- If the stator winding is connected to the primary phase, the total voltage seen from the neutral ( N ) will be the sum of the voltages at both windings rotor and stator.
- For the highest power generators, up to 1800 MW, hydrogen and water cooling is used; the rotor is hydrogen-cooled, the stator windings are made of hollow copper tubes cooled with water circulating through them.
- Where N is the rotor angular speed, f is the frequency of the AC voltage generated in the stator windings, P is the number of poles in the transmission system for a variable speed is not permissible.
- Each coil side of the stator winding consists of rectangular copper tubes, each tube being insulated with resin-impregnated glass braid, and the tubes are transposed within the coil length by the Roebel method to minimise stray copper losses.
- Thus, an influence of drive system vibratory behaviour on the electric machine rotor angular speed fluctuation, and in this way on the electric current oscillations in the rotor and stator windings, can not be investigated with a satisfactory precision.
- In large machines, different systems may be used according to the predicted temperature rise of the machine; for example, in large hydroelectric generators, stator windings may be Class B but the more difficult to cool rotor winding may be Class F.
- Larger single phase motors are split-phase motors and have a second stator winding fed with out-of-phase current; such currents may be created by feeding the winding through a capacitor or having it receive different values of inductance and resistance from the main winding.
- The electrical energy efficiency of a typical industrial induction motor can be improved by : 1 ) reducing the electrical losses in the stator windings ( e . g ., by increasing the cross-sectional area of the tolerances . " For further discussion on this subject, see Premium efficiency . )"
- Large brushed machines which are run with DC to the stator windings at synchronous speed are the most common generator in power plants, because they also supply reactive power to the grid, because they can be started by the turbine and because the machine in this system can generate power at constant speed without a controller.
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