Recent questions tagged winding

1 answer 27 views

Damper winding in a synchronous motor

asked May 8, 2018 in Electrical Machine by Shimroz123
1 answer 25 views

A certain transformer has 200 turns in the primary winding, 50 turns in the secondary winding and 120 volts applied to the primary. What is the voltage across the secondary?  (A) 30 Volts (B) 480 Volts (C) 120 Volts (D) 60 Volts

asked May 8, 2018 in Electrical Engineering by Shimroz123
1 answer 29 views

A _________ is used to measure the stator % winding temperature of the generator.  (A) Thermocouple (B) Pyrometer (C) Resistance thermometer (D) Thermometer

asked May 8, 2018 in Electrical Machine by Shimroz123
1 answer 36 views

A 200 V dc shunt motor is running at 1000 rpm and drawing a current of 10 A. Its armature winding resistance is 2 Ohm. It. is braked by plugging. The resistance to be connected in series with armature to restrict armature current to 10 A, is

asked May 3, 2018 in Electrical Machine by Shimroz123
1 answer 32 views

A 36 slot, 4 -pole, dc machine has a simplex lap winding with two conductors per slot. The back pitch and front pitch adopted could be respectively

asked May 3, 2018 in Electrical Machine by Shimroz123
1 answer 30 views

Damper winding is provided in 3 phase synchronous motors to :

asked Apr 29, 2018 in Electrical Machine by Shimroz123
1 answer 31 views

Aluminium is not used as winding wire for the armature of a dc machine because  (1) aluminium has low resistivity (2) a large winding space is taken by aluminium conductors and creates jointing problems (3) the thermal conductivity of aluminium is low (4) aluminium has low conductivity as compared to copper

asked Apr 29, 2018 in Electrical Machine by Shimroz123
1 answer 15 views
1 answer 16 views
1 answer 30 views

The running winding of a single phase motor on testing with meggar is found to be ground. Most probable location of the ground will be?

asked Mar 20, 2018 in Induction Machine by Shimroz123
1 answer 17 views

The damping winding in synchronous motor is generally used to?

asked Mar 18, 2018 in Synchronous machine by Shimroz123
1 answer 434 views

In synchronous motor, does the winding losses vary with load?

asked Mar 3, 2018 in Electrical Machine by Quiz
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