Can you help by answering this question?

The purpose of Oil in a distribution Transformer is for...

105 views
by

Your answer

Thanks for your contribution. Feel free to answer this question. Please avoid short answer. Your answer is most welcome. Be genuine.

Upload image or document:

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:
Are you a robot ? (Y = Yes / N = No)
To avoid this verification in future, please log in or register.

1 Answer

0 votes
by
S=p/cosα

Where α is the powerfactor 

Related questions

0 answers 21 views

How do you calculate power loss?

asked Mar 10, 2018 in High voltage engineering by Quiz
1 answer 41 views

The ratio of active power to apparent power is known as____ factor.

asked Mar 25, 2018 in Electrical Engineering by Shimroz123
0 answers 128 views
1 answer 54 views

The product of apparent power and cosine of the phase angle between circuit voltage and current is?

asked Mar 25, 2018 in Electrical Engineering by Shimroz123
1 answer 98 views

The apparent power drawn by an A.C. circuit is 10 kVA and active power is 8 kW. The reactive power in the circuit is?

asked Mar 25, 2018 in Electrical Engineering by Shimroz123
1 answer 20 views

Active power and apparent power are represented by?

asked Mar 19, 2018 in Electric Power Generation by Shimroz123
0 answers 46 views

For a balanced three phase star connected load for which line voltage is 230V and per phase resistance and reactance is 6 Ohm and 8 Ohm respectively. Calculate: 1) phase voltage 2) line current 3) power factor 4) total power absorbed

asked Aug 12, 2018 in Basic electrical and electronics engineering by Quiz
0 answers 38 views

A balanced Delta connected load supplied with 440 V 50 Hz three phase AC supply has R=10 Ohm and L=0.6 mH in is each arm. Calculate line and phase current, active power.

asked Aug 12, 2018 in Basic electrical and electronics engineering by Quiz
0 answers 32 views

 AM transmitter has a carrier power of 30 W. The percentage of modulation is 85%. Calculate the total power : (A) 5.4 W (B) 40.8 W (C) 10.8 W (D) 20.4 W

asked Apr 14, 2018 in Electrical Engineering by Shimroz123
0 answers 189 views

Calculate the power loss, if power generated by two plants are P1=50 MW and P2 =40 MW and the loss coefficients are B11=0.001, B22=0.0025 and B12=-0.0005.  (A) 4.5 MW (B) 5.5 MW (C) 6.5 MW (D) 8.5 MW

asked Apr 5, 2018 in Electrical Engineering by Shimroz123
0 answers 74 views
asked Dec 20, 2018 by Harun
1 answer 97 views

How many volts does it take to power an Arduino?

asked Mar 15, 2018 in Arduino by Zeeshan
1 answer 42 views

How does electricity get from the power plant to your home?

asked Mar 10, 2018 in Advanced electrical power system by Quiz
1 answer 68 views

How to make power bank from laptop battery cells?

asked Mar 8, 2018 in Electronics Project by Quiz
1 answer 94 views
0 answers 7 views

Transfer function of a system is used to calculate  (a) the steady state gain (b) the time constant (c) the order of the system (d) the output for a given input

asked Apr 9, 2018 in Control System by Shimroz123
1 answer 98 views
asked Nov 13, 2018 by anonymous
1 answer 35 views

Discuss how power factor tariff results into energy conservation.

asked Sep 29, 2018 in Energy Conservation And Audit by Shimroz123
0 answers 13 views

how can I make  a dc variable power supply

asked Sep 9, 2018 by anonymous
1 answer 46 views

How is Power electronics distinct from linear electronics?

asked May 27, 2018 in Power Electronics by Shimroz123
2 answers 73 views

A heater takes 4 Amp at 250 volts. How much power does it consume? A. 1 KWatt B. 2 KWatt C. 3 KWatt D. 4 KWatt 

asked Apr 12, 2018 in Electrical Engineering by Shimroz123
0 answers 22 views

How can we improve power factor using synchronous motor?

asked Mar 15, 2018 in Electrical Machine by Quiz
0 answers 25 views

How many watts does a power plant produce?

asked Mar 10, 2018 in Electric Power Generation by Quiz
0 answers 28 views

How much electricity is produced by a power plant?

asked Mar 10, 2018 in Electric Power Generation by Quiz
0 answers 33 views

How can power loss be reduced?

asked Mar 10, 2018 in High voltage engineering by Quiz
0 answers 28 views

How much power does an Arduino use?

asked Mar 10, 2018 in Arduino by Quiz
0 answers 18 views

How do you power an Arduino?

asked Mar 10, 2018 in Arduino by Quiz
1 answer 12 views

How do you measure power factor?

asked Mar 10, 2018 in Power quality by Quiz
0 answers 17 views

How often do power surges occur?

asked Mar 10, 2018 in Power quality by Quiz
0 answers 35 views

How many volts are in the power lines?

asked Mar 10, 2018 in Advanced electrical power system by Quiz
1 answer 60 views

How do you find power in a circuit?

asked Dec 16, 2017 in Power electronics converters by Quiz
1 answer 48 views

How does a capacitor improve power factor?

asked Dec 16, 2017 in Flexible AC Transmission System by Quiz
0 answers 7 views

Calculate the resistance value in ohms for the following conductance values: (a) 0.002 S (b) 0.004 S (c) 0.00833 S (d) 0.25 S.

asked Jul 1 by Shimroz123
0 answers 13 views

Calculate the resistance value in ohms for the following conductance values: (a) 0.001 S (b) 0.01 S (c) 0.1 S (d) 1 S.

asked Jul 1 by Shimroz123
1 answer 23 views

A current of 4 amperes flowing for 45 minutes deposits 1.062 gm of metal at cathode. Calculate the equivalent weight of the metal. (Given 1 Faraday = 96500 C)

asked Sep 3, 2018 by Shimroz123
1 answer 16 views

A coil of 500 turns is linked with a flux of 25 mwb, when carries a current of 12.5A. Calculate the value of self-inductance.

asked Sep 2, 2018 by Shimroz123
1 answer 38 views

Calculate the size of memory address space for a 16 bit data and 20 bit address bus. A) 1 MB B) 2 MB C) 3 MB D) 4 MB

asked Jun 18, 2018 in Electronics Engineering by Shimroz123
0 answers 34 views

A meter whose constant is 600 revolutions/kWh makes 5 revolutions in 20 seconds. Calculate the load in kW. (1) 0.5 kW (2) 1 kW (3) 1.5 kW (4) 2 kW  

asked Apr 11, 2018 in Electrical Engineering by Shimroz123
0 answers 20 views

The stator of a 3 phase, 10 pole induction motor possesses 120 slots. If a lap winding is used, calculate the coil pitch, if the coil width extends from slot 1 to slot 11.  (A) 72.12% (B) 83.30% (C) 12% (D) 42% 

asked Apr 5, 2018 in Electrical Engineering by Shimroz123
0 answers 29 views

A Transformer rated 250 kVA, 4160 V / 480 V, 60 Hz has an impedance of 5.1%. Calculate the total impedance of the transformer referred to the primary side.  (A) 69 ohm (B) 0.92 ohm (C) 3.52 ohm (D) 0.51 ohm

asked Apr 5, 2018 in Electrical Engineering by Shimroz123
0 answers 22 views

Calculate the approximate locked rotor current of a 3 phase induction motor having a rating of 500 Hp, 2300 V.  (A) 130 A (B) 39 A (C) 390 A (D) 780 A 

asked Apr 5, 2018 in Electrical Engineering by Shimroz123
0 answers 41 views

A 0.5 Hp, 6 pole wound rotor induction motor is excited by a 3 phase 60 Hz source. Calculate the frequency of the rotor current at standstill.  (A) 50 Hz (B) 30 Hz (C) 60 Hz (D) 120 Hz 

asked Apr 5, 2018 in Electrical Engineering by Shimroz123
1 answer 37 views

A 150 kW electric motor has an efficiency of 92 %, when it operates at full load. Calculate the losses in the machine.  (A) 92 kW (B) 150 kW (C) 163 kW (D) 13 kW 

asked Apr 5, 2018 in Electrical Engineering by Shimroz123
0 answers 10 views
0 answers 11 views

How much is the potential difference between two points if 0.5 J of energy is required to move 0.4 C of charge between the two points?

asked Jul 1 by Shimroz123
1 answer 23 views

How does the resistance of a conductor compare to that of an insulator?

asked Jun 29 by Shimroz123

Welcome to electronics2electrical.com here you can ask questions related to electrical, electronics, mechanical, telecommunication, instrumentation, computer, mathematics, physics etc.
Be respectful to all the members. Do not copy and paste the answers from other websites which have copyright content. While asking question give full details about it.

Categories

Most popular tags

power motor dc circuit transformer voltage current used system phase resistance factor synchronous load ac energy induction electric generator series frequency between speed capacitor use electrical meter line difference control type mosfet transmission magnetic plant high single instrument bjt unit source advantages function diode and machine winding field define torque parallel amplifier supply shunt thyristor motors electricity arduino maximum time relay armature problem value on transformers types coil diagram state flow ratio material three formula starting direction theorem method emf operating efficiency digital wave microprocessor test instruments inductance loss measure operation connected signal low applications effect single-phase network temperature working constant losses different law wattmeter measuring compare controlled breaker drive device logic rc full switch flux wire resistivity disadvantages free of materials machines angle force converter conductor transistor gain open protection scr core measurement number bridge principle generators reactance circuits negative the friction iron loop short pole battery conservation steam resistors hysteresis computer using analog lines secondary station gate a rectifier inverter linear induced relays nuclear capacitance basic characteristics design direct work rotor electronics ammeter forces diesel damping rlc connection factors capacitors minimum insulation moving regulation running self systems air fault range main stability quality starter igbt eddy alternator ideal rl average 3-phase plants arc thermal error fuzzy biasing dielectric pressure balanced superposition errors copper rotation feedback impedance measured electronic electrons charge inductive transfer explain start off back curve over solar is three-phase tariff locomotive peak bias zener engineering commutator surge conductors rating universal potentiometer density permanent mechanical transducer capacity memory adc excitation two fuse pure harmonics application semiconductor inductor internal pmmc reaction welding resonance traction permeability breakers rms designed electromagnetic si generation brushes switching capacitive shaded rate 1 distribution resistor methods delta star oscillator reluctance simplification algebra 8085 boolean weston dynamometer insulating strength installation definition fuel heating earth units

8,530 questions

7,130 answers

135 comments

3,090 users

...