Recent questions tagged shunt

by ansarulansari asked Jul 29, 2021 1 view

A 4-pole, dc shunt motor working on 250V takes a current of 2A when running at no load on 1000 rpm. Calculate its back emf and speed at load if the motor takes 51A. Armature and shunt field resistance are 0.2Ω and 250Ω respectively

by nanirur asked Jul 19, 2021 0 views

Describe the operation of shunt capacitor filter with the help of circuit diagram and waveforms.

by nanirur asked Jul 19, 2021 0 views

Describe the operation of shunt capacitor filter with the help of circuit diagram and waveforms.

by anonymous asked Apr 23, 2020 115 views

DC shunt motor
Answer : .embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }...

by anonymous asked Aug 25, 2019 2.1k views

If field current is decreased in shunt dc motor, the speed of the motor (a) remains same. (b) increases. (c) decreases. (d) none of the above.
Answer : increases...

by anonymous asked Jul 27, 2019 90 views

State any four applications of DC shunt motor.
Answer : Applications of DC shunt motor: 1) Lathe machines 2) drilling machines 3) milling machines 4) Printing machinery 5) Paper industry 6) centrifugal and reciprocating pumps 7) blowers 8)fans...

by anonymous asked Jul 5, 2019 2.6k views

Why does the speed of a DC shunt motor decrease as the load increases?
Answer : Because if the load is increasing then the torque must also be increase. If not then the speed of motor will decrease....

by anonymous asked Sep 6, 2018 67 views

State the use of shunt and series resistance used in extension of meter.
Answer : Use of shunt and series resistance: i) Use of shunt: To extend the range of Ammeter. ii) Use of series resistance: To extend the range of Voltmeter. ...

by anonymous asked May 8, 2018 465 views

In which of the following transmission lines, the value of the Shunt admittance should be approximated to zero ? (A) A 66 kV 35 km long line (B) A 132 kV 200 km long line (C) A 220 kV 300 km long line (D) A 400 kV 500 km long line
Answer : In which of the following transmission lines, the value of the Shunt admittance should be approximated to zero ? (A) A 66 kV 35 km long line (B) A 132 kV 200 km long line (C) A 220 kV 300 km long line (D) A 400 kV 500 km long line ...

by anonymous asked May 8, 2018 339 views

A 240 V, dc shunt motor draws 15 A while supplying the rated load at a speed of 80 rad/s. The armature resistance is 0.5 W and the field winding resistance is 80 W. The net Voltage across armature resistance at the time of plugging will be
Answer : A 240 V, dc shunt motor draws 15 A while supplying the rated load at a speed of 80 rad/s. The armature resistance is 0.5 W and the field winding resistance is 80 W. The net Voltage across armature resistance at the time of plugging will be 474 V ...

by anonymous asked May 8, 2018 4.7k views

Shunt compensation in an EHV line is used to (A) Improve stability. (B) Improve the voltage profile. (C) Reduce the fault level. (D) Substitute for synchronous phase modifier.
Answer : Shunt compensation in an EHV line is used to Improve the voltage profile. ...

by anonymous asked May 3, 2018 201 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
Answer : 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 36 Ohm ...

by anonymous asked Apr 28, 2018 711 views

A shunt fault is characterized by (A) Increase in current, frequency and pf (B) Increase in current, reduction in frequency and pf (C) Increase in current and frequency, reduction in pf (D) Decrease in current and frequency
Answer : B...

by anonymous asked Mar 21, 2018 392 views

Answer : The function of shunt in an ammeter is to by pass the current. ...

by anonymous asked Mar 21, 2018 149 views

A sinusoidal voltage of 5 Hz is applied to the field of a shunt generator. The armature voltage wave?
Answer : A sinusoidal voltage of 5 Hz is applied to the field of a shunt generator. The armature voltage wave will be of 5 Hz....

by anonymous asked Mar 21, 2018 89 views

Answer : A cumulatively compounded long shunt generator when operating as a motor would be differentially compounded long shunt. ...

by anonymous asked Mar 21, 2018 433 views

The e.m.f. induced in the armature of a shunt generator is 600 V. The armature resistance is 0.1 ohm. If the armature current is 200 A, the terminal voltage will be?
Answer : The e.m.f. induced in the armature of a shunt generator is 600 V. The armature resistance is 0.1 ohm. If the armature current is 200 A, the terminal voltage will be 580 V....

by anonymous asked Mar 21, 2018 137 views

In a shunt generator the voltage build up is generally restricted by?

by anonymous asked Mar 21, 2018 1.5k views

A shunt generator running at 1000 r.p.m. has generated e.m.f. as 200 V. If the speed increases to 1200 r.p.m., the generated e.m.f. will be nearly?
Answer : A shunt generator running at 1000 r.p.m. has generated e.m.f. as 200 V. If the speed increases to 1200 r.p.m., the generated e.m.f. will be nearly 240 V. ...