Given a 6 kVA , 600/120 -V, 60 Hz single phase transformer. The Transformer has primary coil impedance Answer problems 1 through 4 using the above information. Z,=202+ j50N and the impedance of the secondary coil is Zs=1Q+j2Q 1. The primary coil impedance referred to primary is: A. 20+j50N B. 5+ j102 C. 45+j100N 25+ j 50N D. 2. The secondary coil impedance referred to primary is: A. 20+j502 B. 5+ j102 C. 45+j1002 D. 25+ j 50N 3. The equivalent transformer impedance of the transformer referred to primary is A. 20+ j502 B. 5+ j102 C. 45+j100 2 25+ j 502 D.

Given a 6 kVA , 600/120 -V, 60 Hz single phase transformer. The Transformer has primary coil impedance Answer problems 1 through 4 using the above information. Z,=202+ j50N and the impedance of the secondary coil is Zs=1Q+j2Q 1. The primary coil impedance referred to primary is: A. 20+j50N B. 5+ j102 C. 45+j100N 25+ j 50N D. 2. The secondary coil impedance referred to primary is: A. 20+j502 B. 5+ j102 C. 45+j1002 D. 25+ j 50N 3. The equivalent transformer impedance of the transformer referred to primary is A. 20+ j502 B. 5+ j102 C. 45+j100 2 25+ j 502 D.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

See similar textbooks

Similar questions

3. A non-ideal 1-phase transformer has turns ratio 5:1 with 120Vac primary. The primary impedance is 1 + j1 Ohms, and the secondary impedance is 0.2 + j0.2 Ohms. Assume the core impedance (R0 and X0) can be neglected. A resistive load of 12 Ohms is connected to the secondary. What is the primary current magnitude? What is the secondary voltage magnitude? What is the efficiency of this transformer with this load?
VOLTAGE STEP UP THE VOLTAGE TRANSFORMER Done Choose... STEP UP THE CURRENT STEP UP THE VOLTAGE FREQUENCY PHASE DIFFERENCE
13)This MCQ QUESTION FROM BASIC POWER ELECTRICAL ENGINEERING course.
How does the coupling factor affect the primary and secondary voltages? For example if the turns ratio in my transformer is 1:2 and the Vin is 10V, the voltage on the primary side is 10V and the voltage on the secondary side is 20V when the coupling factor (k) is 1. What will the primary and secondary voltages be if the coupling factor becomes 0.5?
The required no-load voltage ratio in a 150 kVA single-phase 50 Hz core-type, two-winding transformer is 5000/250 V. Calculate the load kVA for maximum efficiency. The full-load I2R loss is 1800 W and the core loss is 1500 W. Round your answer off to the nearest whole number
The equivalent circuit impedances of a 20-kVA, 8000/240-V, 60-Hz transformer are to be determined. The open-circuit test and the short- circuit test were performed on the primary side of the transformer, and the following data were taken: Open-circuit test (on primary) Short-circuit test (on primary) 8000 V V= 489 V I0.214 A 2.5 A P= 400 W P= 240 W Find the impedances of the approximate equivalent circuit referred to the primary side, and sketch the circuit.
Q5:Choose the correct answer from the given alternatives (answer five only) 1.In an ideal transformer, (a) windings have no resistance (b) core has infinite permeability (d) all of the above. (c) core has no losses 2. The primary and secondary induced e.m.fs. El and E2 in a two-winding transformer are always: (a) equal in magnitude (b) in-phase with each other (c) antiphase with each other (d) determined by load on transformer secondary. 3. In relation to a transformer, the ratio 20 : 1 indicates that (a) there are 20 turns on primary one turn on secondary (b) secondary voltage is 1/20th of primary voltage (c) primary current is 20 times greater than the secondary current. (d) for every 20 turns on primary, there is one turn on secondary. 4. A transformer has negative voltage regulation when its load power factor is: (a) zero (b) lagging. (d) unity (c) leading
For the network shown in figure . determine the imput impedance ,out put impedance, Noltage gain , cuent gain and source Voltage gain by using complet hybrid equivalent modle if hie = l.6k2 hve =2*10 hfe =110 and ho = 20 us -12 V 1ouf 3 Kohm 1kohm 8-2 Kohm luf V =10 mU 3 kohm
In a practical transformer, Identify, which component of no load current supplies eddy current loss? a. I0 b. IC c. IM d. None of these
In a transformer that has 10 times more turns on the secondary side (side 2) than on the primary side (side 1), the magnitude of the voltage/EMF across the windings on the secondary side, E₂ will be... O a.... 10 times lower than the voltage/emf on the primary side, E₁. O b.... the same as the voltage/emf on the primary side. O c.... always zero regardless of the voltage on the primary side, E₁. O d.... 10 times higher than the voltage/emf on the primary side, E₁.
When rated voltage at rated frequency is applied to a single phase transformer, the hysteresis loss is 420W and eddy current loss is 150W, respectively. Solve for the new core loss if the voltage is increased by 10% and frequency is decreased by 5%.