Q/A single-phase transformer with a capacity of 100 kVA and a voltage of 2000/400 and the equivalent circuit elements are as follows R1=0.10 x1=0.20 R2= 0.250 X2 = 0.75 2 RO = 500 XO = 150 It feeds a 90 kVA load at a voltage of 2000 volts and a power factor of 8.0 delayed. Calculate the initial voltage and current? JXcgl Mmm V'. Z₁

Q/A single-phase transformer with a capacity of 100 kVA and a voltage of 2000/400 and the equivalent circuit elements are as follows R1=0.10 x1=0.20 R2= 0.250 X2 = 0.75 2 RO = 500 XO = 150 It feeds a 90 kVA load at a voltage of 2000 volts and a power factor of 8.0 delayed. Calculate the initial voltage and current? JXcgl Mmm V'. Z₁

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

For the transformer below determine the magnitude for the induced secondary voltage if: Ep = 1kV Np = 200 turns Ns = 800 turns M N₂: N₂ 0000000 eeeee Find the magnitude of the induced secondary voltage Es Es = units
Ql-phase step down transformer 1250 KVA, 1 1000/2200 V, 50 Hz .The resistance /phase and leakage reactance phase of the primary winding are 0.78 2 and 4.82 and the corresponding values for the secondary winding are 0.012 and 0.002 respectively if the primary winding is connected in delta and secondary in star calculate: )The voltage to be applied at normal frequency to the primary to circulate full-load through it when the secondary is short-circuited Ii) The full load copper loss
SOLVE STEP BY STEP IN DIGITAL FORMAT XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 4. A 100 KVA, 2200 / 220 v, 50 cps transformer has the following constants: Rp = 0.42 Ω, Xp = 0.72 Ω, Rs = 0.0035 Ω and Xs = 0.070 Ω. Calculate the % regulation for the following cases a) At fp = 1 b) At fp = 0.8 behind c) At fp = 0.8 ahead
please solve the question lmlmlmlm
Problem 5 Consider a three winding transformer with the following particulars: = Z₁ Z2 Z3 =0.02 + j0.08 £, V₂ = 400 V, 12 = 60/30° A, and I3 = 50/-40° A. Assume that V₂ is the reference phasor, calculate: The intermediate voltage Vo. a. b. The primary current I₁ and the primary voltage V₁. c. The tertiary voltage V3 referred to the primary side. d. The apparent powers and the power factors at the primary, secondary and tertiary terminals. e. The transformer efficiency.
How do i calculate secondary current in transformer analysis
Two transformers A and B of different ratings but equal voltage ratios share a load of 900 kVA at 0.8 power factor lagging at 400 V by operating in parallel. Transformer A has a rating of 600 kVA, resistive drop of 1% and reactance drop 5%. Transformer B has a rating of 300 kVA, resistive drop of 1.5% and reactance drop of 4%. Calculate the load shared by each transformer and the power factor at which it is working.
An ideal transformer circuit is shown in Figure Q4(a). Its primary and secondary turns are 400 and 200 respectively. (1) Calculate the rms primary current. (ii) Calculate the rms flux in the transformer core. (iii) State two losses that contribute to transformer active power loss that have been ignored in this ideal model. N, Ny 30 + j30 2 300 sin50t Figure Q4(a) 00000000
Given a center tapped transformer, plot the output wave form. (Assuming practical model)
A short transmission line connects a step-up transformer on the source side with a series impedance of j0.5 ohms (referred to the primary) to a step-down transformer on the load side with a series impedance of 50 ohms (referred to the primary). The turn ratio of the step-up transformer is 1:10 and a no-load primary voltage of 23 (line-to-line) kV. The step-down transformer has a turn ratio of 35:2 and it has a Y-connected, balanced load of 0.490 +j 0.0816 ohms connected to its secondary side. Assuming an ideal transmission line, compute the load voltage (line-to-neutral).
by High Voltage
Q3/A/ The equivalent circuit impedances of a 20-kVA, 8000/240 V, 60-Hz transformer are to be determined. The open-circuit test was performed on the secondary side of the transformer and the short circuit test was performed on the primary side of the transformer .The following data was taken: Open-circuit Short-circuit test test (on secondary) Voc 240 v (on primary) Vsc 489 v Isc 2.5 A Psc 240 W loc 7.133 A Poc 400 W