98 views

Why shunt capacitor is used?

1 Answer

Answer :

To improve voltage at receiving end and power factor
Like 0 like

Please log in or register to answer this question.

Related questions

46 views

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

0 answers
6 views

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

0 answers
79 views

Description : Which capacitor is used for high frequency?

0 answers
171 views

Description : Why capacitor bank is used?

Last Answer : In industrial or factory used E.B Power supply must be maintained above 0.90 power factor is compulsory for avoid EB Penalty. So APFC ( automatic Power factor control ) panel is used to maintained balance the load and PF maintained.

3 answers
89 views

Description : State the use of shunt and series resistance used in extension of meter.

Last 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.

1 answer
5.4k views

Description : 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.

Last Answer : Shunt compensation in an EHV line is used to Improve the voltage profile.

1 answer
91 views

Last Answer : D.C. shunt motors are used for driving machine tools.

1 answer
2.9k views

Description : Which of the following can be used to measure the capacitance of a capacitor? A) Rheostat B) Schering bridge C) Wheatstone bridge D) None of these

Last Answer : Which of the following can be used to measure the capacitance of a capacitor? A) Rheostat B) Schering bridge C) Wheatstone bridge D) None of these

1 answer
95 views

Last Answer : Commonly used standard capacitor is concentric cylindrical type.

1 answer
135 views

Last Answer : The capacitors used in single-phase capacitor motors have no polarity marking.

1 answer
164 views

Last Answer : In a two value capacitor motor, the capacitor used for running purposes is paper spaced oil filled type.

1 answer
11 views

Description : Obtain the Ripple factor of a full wave rectifier with shunt capacitor filter.

0 answers
84 views

Description : What are the characteristics of a capacitor?

0 answers
78 views

Description : What is the role of a capacitor in a circuit?

0 answers
67 views

Description : What is the basic use of capacitor?

0 answers
68 views

Description : What is the basic function of a capacitor?

0 answers
67 views

Description : How do you discharge a capacitor in a microwave?

0 answers
74 views

Description : What is the direction of flow when charging a capacitor?

0 answers
127 views

Description : How do you charge a capacitor with a battery?

Last Answer : The  capacitor  is  connected   in  parallel  with   the  battery.

1 answer
171 views

Description : What is the symbol of a capacitor?

Last Answer : symbol of a capacitor

1 answer
81 views

Description : How do I discharge a capacitor?

0 answers
116 views

Description : How do you know when a capacitor is bad?

0 answers
171 views

Description : Which side of a capacitor is negative?

Last Answer : In electrolytic type negative is shorter lead and usually mark in the tank. But of course not applicable to non-polar.

1 answer
127 views

Description : How do you test a capacitor with a multimeter?

0 answers
18 views

Description : 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

0 answers
143 views

Description : DC shunt motor

Last 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%; }

2 answers
2.8k views

Description : 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.

Last Answer : increases

4 answers
116 views

Description : State any four applications of DC shunt motor.

Last 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

2 answers
2.7k views

Description : Why does the speed of a DC shunt motor decrease as the load increases?

Last Answer : Because if the load is increasing then the torque must also be increase. If not then the speed of motor will decrease.

1 answer
527 views

Description : 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

Last 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

1 answer
497 views

Description : 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

Last 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

1 answer
357 views

Description : 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

Last 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

1 answer
1.1k views

Description : 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

Last Answer : B

2 answers
469 views

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

1 answer
184 views

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

Last 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.

1 answer
118 views

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

1 answer
692 views

Description : 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?

Last 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.

1 answer
146 views

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

0 answers
1.8k views

Description : 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?

Last Answer : 200V/E2 = 1000/1200 E2= 240 V

2 answers
161 views

Last Answer : If a D.C. shunt motor is working at full load and if shunt field circuit suddenly opens this will make armature to take heavy current, possibly burning it.

1 answer
76 views

Last Answer : The purpose of retardation test on D.C. shunt machines is to find out stray losses.

1 answer
80 views

Last Answer : In a manual shunt motor starter over load relay is connected in series and no volt relay in parallel with the load.

1 answer
210 views

Last Answer : If the speed of a D.C. shunt motor is increased, the back e.m.f. of the motor will increase.

1 answer
170 views

Last Answer : For a D.C. shunt motor if the excitation is changed torque will change but power will remain constant.

1 answer
136 views

Last Answer : The speed of a D.C. shunt motor can be increased by increasing the resistance in field circuit.

1 answer
220 views

Last Answer : The armature torque of the D.C. shunt motor is proportional to armature current.

1 answer
144 views

Last Answer : As the load is increased the speed of D.C. shunt motor will reduce slightly.

1 answer
341 views

Last Answer : The mechanical power developed by a shunt motor will be maximum when the ratio of back e.m.f. to applied voltage is 0.5.

1 answer
381 views

Last Answer : In a D.C. shunt motor, under the conditions of maximum power, the current in the armature will be more than full-load current.

1 answer
...