A Transformer having 1000 Primary turns connected to a 264 V a.c. supply. For a secondary Voltage of 432 V, the number of secondary turns should be

Q: a) Determine, by successive conversions between Thevenin and Norton equivalent networks, a Thevenin…

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Q: 1. For the circuit below, determine the output voltage. Si Ge 2k0 30 V Vo 2k0

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Q: Ex: A single phase 50 KVA transformer has primary voltage of 6600 v and secondary voltage of 254 v…

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Q: The open-circuit voltage of 246 V and the full load secondary voltage of 220 V, then the %…

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Q: The open circuit voltage of a transformer is 242 V and its % regulation is 3 %, then the value of…

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Q: A 228 V / 111 V single-phase transformer has a core loss of 110 W and the no-load current is 0.7 A.…

A: Answer.4 Given Data V1=228V V2=111V Core loss power P1=110W No load current, I0=0.7A Core loss…

Q: Find the value of the currents 11 and 12. 100 ohm SV 5V 100 ohm O a. 11--0.3A, 12--0.1A O b. 1-0.3A,…

A: Given Resistance = 100 ohms DC power source = 5V To find Value I1 and I2

Q: A transformer has a turns ratio of 2;1. What is the peak secondary voltage if 115 Vrms is applied to…

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Q: Example 33.10. A 3-ph, delta/star connected 11,000/440 V, 50 Hz transformer takes a line current of…

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Q: If the core loss of single phase transformer at full load is 294 W, then the core loss at 25% of…

A: Core loss is always constant does not depend on load condition , it is always constant at every load…

Q: A balanced star-connected load of (8 + j6) Q per phase is connected to a Balanced 3- phase 400-V…

A: Diagram of the given problem

Q: If the core loss of single phase transformer at full load is 177 W, then the core loss at 50% of…

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Q: The following data were obtained on a 50 kVA 2400/120 V transformer : Open circuit test, instruments…

A: Given   Open circuit test, instruments on low voltage side : Waltmeter reading = 396 Watts Ammeter…

Q: Draw the phasor c

A: Phasor Diagram of transformer. Note: There are two question posted by the student both are different…

Q: 34. Four 10 mH inductors are in series. The total inductance is (a) 40,000 µH (b) 40 mH (с) 30 Н (d)…

A: Option (b) is correct.  40 mH

Q: A 3.5 kV / 120V, 50 Hz, single phase transformer is to have an approximate e.m.f per turn of 33 and…

A: Given Data  EMF per turn=33 Frequency, f=50Hz Maximum flux density, 1.35T E1=3.5KV E2=120V

Q: 4) Find the applied Voltage necessary to develop the Current specified in each circuit? a) Find…

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Q: 10. The output voltage of a turbine is 224 V at no load and 218 V at full load. How much is the…

A: Here qw know that resistance remains unchanged due to loading and unloading so keeping resistance…

Q: A transformer has a primary voltage of 480 volts and a  secondary voltage of 20 volts. What is the…

A: Electric Energy transformed from one alternating-current circuit to one or more another circuit is a…

Q: What are common efficiencies for transformers?

A: Given data : Transformers

Q: J. A transformer transforms (a) frequency (b) voltage (c) current (d) voltage and current. 2. Which…

A: Given

Q: In a three phase-four wire star connected system, the three outer wires are called as lines and the…

A: in a three-phase 4 wire star connected system the three outer wires are called as lines and the…

Q: If the core loss of single phase transformer at full load is 134 W, then the core loss at 50% of…

A: Given     Loss at full load = 134 W

Q: 3- why is the P.F. of the transformer is small at no-load ?

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Q: Write any one disadvantage about core and shell type transformer.

A: In Core type transformers, the rectangular frame is made up by laminating the magnetic core.…

Applied Fluid Mechanics

A fluid is a substance that is continuously deformed by the application of shear stress. The rate of deformation of a fluid depends on its viscosity. The fluid tries to flow when it interacts with some other system.