Determine efficiency of the transformer and core loss

Assignment Help Electrical Engineering
Reference no: EM13248297

A 100-KVA, 2500/125-V, 50-Hz, step-down transformer has the following parameters: RH= 1.5 ohm ,XH= 2.8 ohm , RL=15 m omh XL = 2.m ohm, ,RcH=3 k ohm, XmH = 5k ohm. The transformer delivers 85% of the rated load at a terminal voltage of 110V and a power factor of 0.866 lagging. A draw equivalent circuit Determine b. The core loss c. the copper loss d. the efficiency of the transformer

Reference no: EM13248297

Questions Cloud

Determine what villages will the meyer read now : A student acquires a 50mV, 1mA (meter-A) and a 50mV , 2mA (Meter-b) d'arsonval movements and converts both the meters to measure 100v full scale individually. A potential divider consisting of 70k and30k resistors was powered using an ideal 100v D..
Describe the administration process involved : Describe the administration process involved with a benefits program and how federal and state legislation plays a role in the process.
What is the natural length of the spring : If 54 J of work are needed to stretch a spring from 15 cm to 21 cm and 90 J are needed to stretch it from 21 cm to 27 cm, what is the natural length of the spring
Explain the final concentration of potassium phosphate : When 15.0 L of water is added to 1.5 liter of a 2.0 M solution of potassium phosphate (aq), what is the final concentration
Determine efficiency of the transformer and core loss : A 100-KVA, 2500/125-V, 50-Hz, step-down transformer has the following parameters: RH= 1.5 ohm ,XH= 2.8 ohm , RL=15 m omh XL = 2.m ohm, ,RcH=3 k ohm, XmH = 5k ohm. The transformer delivers 85% of the rated load at a terminal voltage of 110V
What is the current in the brain : Typical field strengths are a few femoteslas (1fT=10^-15T). An adult brain is about 140mm wide, A reasonable magnetic field is 4.35fT at the sensor. According to this model, what is the current in the brain?
Explain the energy from the electron transport chain : The reduced coenzymes generated by the citric acid cycle donate electrons in a series of reactions called the electron transport chain. The energy from the electron transport chain is used for oxidative phosphorylation.
Find the temperature inside the furnace : The blackbody radiation emitted from a furnace peaks at a wavelength of 3.4 10-6 m(0.0000034 m). What is the temperature inside the furnace
Calculate magnetizing current and component to core loss : A 10kVA, 200/400V 50Hz single-phase transformer gave the following test results. O/C test: 200V, 1.3A, 120W, on l.v. side. S/C test: 22V, 30A, 200W on h.v. side. (a) Calculate the magnetizing current and the component corresponding to core loss at ..

Reviews

Write a Review

Electrical Engineering Questions & Answers

  How the signals were changed to a power level

A typical method of measuring the linearity of an amplifier is called the "Two-tone" test. Signals at f1 and f2 are input to the amplifier and the output spectrum is observed. Assuming that signals at 14.1 and 14.2 MHz are input to an amplifier.

  Find the current nd voltage to obtain desired optical output

calculate the extraction efficiency and find the current and voltage needed to obtain the desired optical output. Once you know the current density choose Area and Find Vf that will give you the desired current density and current (If= Jf x A= Jn ..

  What was the speed of felix in kilometers per second

In 2012, Felix Baumgartner jumped from space 36.6 km above New Mexico he reached a speed of 834 mph in 4 minutes and 19 seconds. What was his speed in Kilometers per second and how many miles was he above the ground

  Determine closed-form expression of the cross-correlation

Compute and plot the correlation sequences r s1s2 (l), r s0s0 (l), r s1s0 (l) and r s2s0 (l) . Compute and plot the cross-correlation sequences and of the received signal with the template signals and s 2 (n).

  Compute the bit error probability for both constellations

2. Compute the symbol error probability for both constellations in terms of the Gaussian error integral Q(x). 3. Compute the bit error probability for both constellations in terms of the Gaussian error integral.

  What is an open collector input why is it used on sensors

Draw a strain gauge circuit and its external components to attach to a conveyor mounted only at the ends to measure the load at the center of the conveyor. What type of testing would you need to do to establish a baseline and calibration curve for..

  Determine the range of load resistances over the circuit

a) Determine the range of load resistances over which the circuit gives a constant Vout if Rs = 1500 kilo ohms and Vs = 150V. Assume the diode breakdown voltage is 100V and the maximum rated current is 100 mA.

  Determine the thermal equilibrium recombination

A semiconductor, in thermal equilibrium, has a hole concentration of p0 = 2x1016 cm-3. The minority carrier life time = 3x10-7 s. (Assume, ni = 1010 cm-3)

  Find the probability that the tenth phone installed

The probability that a person will install a black telephone in a residence is estimated to be 0.3. Find the probability that the tenth phone installed in a new subdivision is the fifth black phone.

  Find the required x-y coordinates of a 20-nc fourth charge

Three point charges are positioned in the x-y plane as follows: 5 nC at y = 5 cm, -10 nC at y = -5 cm, and 15 nC at x = -5 cm. Find the required x-y coordinates of a 20-nC fourth charge that will produce a zero electric field at the origin.

  Calculate tension in cables and components of the reaction

The boom AC is supported at A by a ball and socket joint and by two cables BDC and CE. Cable BDC is continuous and passes over a pulley at D. Calculate the tension in the cables and the x,y,z components of the reaction at A if the crate has a weig..

  Compute the ripple voltage and the time duration

(a) Compute the minimum voltage that the output voltage across R1 falls to when both capacitors C1 and C2 are present. (b) Using the same model for D1, compute the maximum voltage that the output voltage across R1 rises to.

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