The rotor is the rotating part, the stator winding helps in rotating the rotor. Figure below) However, it will not self-start. Single - phase induction motor.
The start winding is usually the smaller coils with thiner wire that are degrees out if phase from the run windings. Earth Continuity and Resistance Test (c) Power Supply Test (d) AC Motor Winding Resistance Test (e) Insulation Resistance Test (f) Running Amps Test.
General Inspections For the single phase motor, do the following: (1) Check the appearance of the motor.
Check for burnt, damage to body or cooling fan or shaft.
The stator of the single phase induction motor has laminated stamping to reduce eddy current losses on its periphery. The slots are provided on its stamping to carry stator or main winding. In order to reduce the hysteresis losses, stamping are made up of silicon steel.
In addition to the main winding or running winding , the stator of single phase induction motor carries another winding called auxiliary winding or starting winding. A centrifugal switch is connected in series with auxiliary winding. The purpose of this switch is to disconnect the auxiliary winding from . Starting windings for single - phase induction motors. Abstract: Methods are given to enable the design engineer to determine the best starting winding and the best capacitor, reactor, or resistor required to meet any specified requirements. The methods given have been in actual use by design engineers for over years, . Tricky solution: Measure the winding resistances.
Once you know which terminals are used for each of the two windings , you can connect them to the power supply and the capacitor as shown in the . The proposed winding layout is based on dual two-phase . Abstract- An adjustable speed drive acting on the auxil- iary winding of single - phase induction motors is described. Stator winding : The windings are wrapped with 4turns of AWG magnet wire. A basic design of revolving field single - phase generator is shown on the right.
The windings of the two coils are in reverse direction to have the current to flow in the same direction . A method is described for the calculation of the auxiliary- winding parameters of single - phase capacitor motors. The design technique is an extension of that successfully applied to resistance-start motors(1) and is aimed toward assisting the practical design engineer to choose an auxiliary winding which uses the minimum .
No comments:
Post a Comment
Note: only a member of this blog may post a comment.