Find the percentage voltage regulation

Assignment Help Electrical Engineering
Reference no: EM131266013

A transformer of rating 20 kVA, 2000/200 V has the following parameters:

1182_90f4ba22-5400-4de9-9164-29bdc521f3f4.png

Core loss at rated voltage = 95 W

(a) Calculate transformer efficiency when delivering 20 kVA at 200 V at 0.8 pf lagging

(b) What voltage must be applied on the HV side for load as in part (a).

(c) Find the percentage voltage regulation.

Reference no: EM131266013

Questions Cloud

Integral parts of the development process : The importance of health and education/technology as the integral parts of the development process, where the role of women's empowerment in key decision-making process of family affairs and population planning has been highlighted.
Function of high- powered money h : a) Express the money supply M as a function of high- powered money H. b) Would an increase in the reserve ratio or lower the money supply? c) How would an increase in the cash-deposit ratio c affect the money supply?
Is it possible to achieve sustainable competitive advantage : Is it possible to achieve a sustainable competitive advantage, or is a sustainable competitive advantage just a theory? Do Apple's iPad, TiVo, Netflix, Starbucks, Walmart, etc. have a competitive advantage? Why or why not? Explain your thoughts.
Why topic is important and deserves investigation : Explain why this topic is important and deserves investigation - Literature review includes other relevant research in this area. You must carefully structure your review on literature.
Find the percentage voltage regulation : Calculate transformer efficiency when delivering 20 kVA at 200 V at 0.8 pf lagging
Interest of national government bond holders : How might the interest of national government bond holders, slave owners, or merchants be affected by a stronger national government?
Calculate the currents in the 3-phase lines : Calculate the currents in the 3-phase lines, neglecting transformer losses. Draw the phasor diagram.
Identify any ethical issues that could impact chosen firm : Identify any ethical issues that could impact your chosen firm. What steps should be taken to handle these issues? - How should your company integrate corporate social responsibility into its marketing plan?
Difference between a normative and positive statement : What is the difference between a normative and positive statement? Can you provide examples as well?

Reviews

Write a Review

Electrical Engineering Questions & Answers

  Show that the acceleration of the particle lies in x-y plane

A charged particle (charge q, mass m) is moving under the influence of a magnetic field B = B0 az. If the velocity vector of the particle is v = v a ax +- vy ay + vx az Show that the acceleration of this particle lies in the x-y plane.

  What will be the minimum ground plane impedance at 600 mhz

What will be the minimum ground plane impedance at 600 MHz?

  Calculate the magnitude and direction of the polarization

A line of charge with line charge density PI C/m is placed at the center of the inner shell. Calculate the magnitude and direction of the polarization vector inside the two dielectrics.

  How many pulses per minute are being applied per minute

A pacemaker is programmed to deliver pulses a certain times every minute for a patient with heart block. A 0.5µF capacitor controls the pulse discharges through a 2M resistor. One pulse is delivered every time the fully charged capacitor loses 50%

  Determine the common-mode gain and the cmrr

The noise signal is measured to be 1.35 V. The output difference signal is 3.95 V and the common-mode output signal is0.95 mV. Determine the common-mode gain, the differential mode gain, the CMRR, and the CMR (in dB) for the amplifier.

  What is the de broglie wavelength of an electron at 150ev

What is the de Broglie wavelength of an electron at 150eV. what is the wavelength for electrons at 10keV, which istypical of electron microscopes. Comparing this to visiblel light,comment on the advantages of electron microscopes.

  Determine how fast must hit the ball to land at the base

in the bottom of the 9th inning, the bases are loaded and the braves are down by three runs. chipper johns steps to the plate. twice he swings and misses. The crowd heads for the exits. the next pitch is a fast ball down the middle.

  Determine what is the ac peak to peak voltage

For a BJT common Emitter Amplifier, the AC base voltage = 1,2Vrms, Av=50, Bdc=150, Bac=200, alpha dc =0.98 and an RE of 500 ohm. What is the AC P-P voltage

  What is the atmospheric pressure under the conditions

1.A liquid has an enthalpy of vaporization of 30.8 kJ/mol. At 275 K it has a vapor pressure of 117 mmHg. What is the normal boiling point of this liquid 2. In a certain mountain range, water boils at 94°C. What is the atmospheric pressure under the..

  What is the torque on the loop from the magnetic field

A coil of wire contains 50 square turns, each one 5 cm long and 3 cm wide, and has a current of 30 A running through it. it is placed inside a magnetic field of 0.55 T at a 60 degree angle. what is the torque on the loop from the magnetic field

  What are the advantages of using wind for power and how

what are the advantages of using wind for power and how does wind actually generate powerthe mechanical side of

  How much energy does this wave carry through window

The electromagnetic wave that delivers a cellular phone call to acar has a magnetic field with an rms value of 1.38E-10 T. The wavepasses perpendicularly through an open window, the area of which is0.244 m2.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd