A 500 MVA 66 kV/132 kV transformer star-delta has per unit leakage reactance of 0.1 pu on the base of 500 MVA, primary voltage 66 kv. What is the leakage reactance referred to secondary side in ohms is:

A 500 MVA 66 kV/132 kV transformer star-delta has per unit leakage reactance of 0.1 pu on the base of 500 MVA, primary voltage 66 kv. What is the leakage reactance referred to secondary side in ohms is:

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter3: Power Transformers

Section: Chapter Questions

Problem 3.10MCQ: For large power transformers rated more than 500 kVA, the winding resistances, which are small...

See similar textbooks

Related questions

Q: 2. In PM system, A. the instantaneous phase deviation is directly proportional to the phase of the…

A: For first question, Table 6.2 is not given here. So second and third questions are being answered…

Q: Question Find out the average monthly load factor Given Reading obtained for 1 month = 30 days kWh…

A: Given- 1 month reading, 30 days, kWh/month=386,540, Maximum demand=1500 kW. To Find- The value of…

Q: To understand how the problems can be done in complex number format Problem 4: A 3600 rpm, 60 Hz,…

A: Given: The speed is 3600 rpm. The frequency is 60 Hz. The voltage is 13.8 kV. The reactance is 20…

Q: DC Diode Circuit. Find I1 -Assume Diode is OFF -Assume Diode is ON -Redrawing

A: Given,

Q: A 500-km, 500-kV, 60-Hz, uncompensated three-phase line has a positive-sequence series impedance…

A: Given that, Pr (Power at receiving end)=900MW Vr (Voltage at receiving end) =475kV Z=0.03+j0.35 Ω/Km…

Q: V1 -0.1V Į V2 0.5V Ţ V3 2.0V + V4 5.0V 0.028u DC 1e-090hm DC 10Mohm 0.05Cu DC 1e-090hm DC 10Mohm U5…

Q: Use loop analysis to find the current down through the 8-ohm resistor in the circuit shown below. 8…

Q: Using nodal analysis, determine the potential across the 4-ohm resistor in the figure melow. 2 Ω 5…

Q: The switch in the circuit shown has been in position a for a long time. At t = 0, the switch moves…

A: Given: A network with a switch. To find: i) the expression for i(t) and v(t) for t≥0 ii) how many…

Q: 3.7 Determine the Laplace transform of the following functions: *(a) x₁ (t) = 25 cos(4πt +30°) 8(t)…

Q: V₁ww R Op-amp What do you call this OP-AMP configuration? Derive its output expression. If…

Q: F(W, X, Y, Z) = m (1,3,5,7,9,13,15) Construct the Truth Table of this SSOP. b. Use Karnaugh Map to…

A: Given here expression and asked to draw the truth table and simplified expression.

Q: 1. The input signal x[n] shown in Fig. 1 is input to an LTI system whose impulse response is shown…

A: In this question, We need to determine the output signal of the given signals. We know y(n) = x(n)…

Q: 4. A parallel resistance-capacitance bridge as shown in the figure has a standard capacitance value…

A: The parallel-resistance-capacitance bridge is shown below: For the bridge to be balanced,…

Q: FM slope detector is a kind of demodulator circuit, how it is demodulated in the receiver?

Q: 12. What is the function of a transducer in a communication system? a. Converts energy from one form…

Q: Given a 50 μC point charge located at the origin, find the total electric flux passing through a)…

A: We need to find out electric flux passing through given surface .

Q: The cause of connection problems when using thermocouples for measurements done remotely (long…

A: Thermocouples Thermocouples are temperature measurement instruments used in industrial and…

Q: (2) Find the equivalent Ceg seen from a-b. a att 3F b 2F 2F 10F 30F 5F TISF

A: Given,

Q: An application demands that a sinusoidal pressure variation of 250 Hz be measured with no more than…

Q: Find the approximate collector current in the given transistor circuit. (Take current gain, B = 100)…

A: Given- Current gain- β=100, To Find- The collector current.

Q: 4. Determine the nodal voltages as labeled in the figure below, making use of the supernode…

Q: 2. Find Vo Vsa 3 V all R₁ 1 k02 VS₁ O 5 V R3 Ε ΚΩ! W R4 10 kn O U₁ L F₂ www 2 ΚΩ OUT Vc

A: We need to find out the output voltage for given operational amplifier .

Q: What is coupling? What is rise time? What is rise time for a signal? How does rise time relate to…

A: Signal An electromagnetic or electrical current known as a signal is used to transfer data from one…

Q: • Draw the relation between frequency and e

A: We need to find out the relationship between angle and frequency .

Q: In the circuit below, V₁ = 1.9 V, V₂ = 2.4 V, R₁ = 1.7 KN, R₂ = 2.1 KN, and R3 = 1.5 KN. Find the…

Q: The impedance of the following network is found to be purely resistive at f= 400Hz, What is the…

A: It is given that:

Q: 1. Refer to the signal shown below. x(t) 2 02 -2 -4 1 +2 -2 C. Find the total energy in x(t) 3 4 a.…

Q: 7. Determine the current i in the circuit using Thevenin's theorem. 1092 50 V 12 Ω 30 V Figure 23.…

Q: Figure P3.9-4 locates the characteristic roots of the causal LTID system. If the the system has two…

Q: A R1 .What is the value of R3 in Fig.10 24 V R2 R2 (4A)

A: Given data, Circuit diagram is given as,

Q: Given an amplifier circuit in Fig. Q4(a) with input signal Vin = 0.18 Vac, calculate the total gain…

Q: For a silicon BJT shown in figure find Rg that establish VCE = 2 V. Assume VBE = 0.7 V +12V www R₂ B…

A: Given circuit: VCC=12 V. Collector resistance, RC=5 kΩ. Current gain, β=50. VCE=2 V.VBE=0.7 V.

Q: 17. Expand the triple product for a wx (w x r) given in the discussion of Figure 3.8. If r is…

A: Basic Formulae 1. a →× (b →× c )→ = (a .→ c )→b → - (a .→ b )→c → ....... Eq (1)…

Q: 50 -π -30 Vi(t) [V] vi(t) [V] 50 가 0 50, 20 30 50 60 0 Hình 1.1 20 30 50 60 Hình 1.2 80 vi(t) [V]…

Q: For the circuit shown, determine the range (i.e., maximum and minimum values) of V1 such that the…

A: Given: The values of the resistances are R1 = 9.4 kΩ , R2 = 1.6 kΩ , R3 = 4.0 kΩ, and RF = 200 kΩ…

Q: Consider the output voltage measured across the resistor in the circuit shown below. a. Find the…

A: Since you have posted the questions with multiple subpart so we are supposed to answer 3 subpart.

Q: An inverting amplifier has a maximum output of ±5.1 V and an open-loop voltage gain of 105,229. The…

Q: Find the total charge in a cylindrical conductor (solid wire) 1 meter long and a diameter of 2 mm.…

Q: 4. Explain the relationship between back emf E, terminal voltage V and coil voltage drop IR in DC…

A: Answer and an explanation below Explanation: 4. Explain the relationship between back emf E,…

Q: B) A SINGLE PHASE TRANSMISSION LINE IS COMPOSED OF THREE SOLD 2.5 CM RADIUS COPPER WIRE AND TWO…

Q: Determine the frequency deviation and carrier swing for a frequency-modulated (FM) signal which has…

A: It is given that: fu=105.007 MHzfr=105.00 MHz

Q: Consider the RL filter shown in the figure below. If v₁-2cos(wt), the steady state expression of vo…

A: Given- RL filter: Input voltage, vi=2cosωt. To find- Steady-state expression of output voltage.

Q: 3) Using Kirchoff's AN SOON + -1₁ Joy LIN 13 m² 600N -12 200 F0.7V = 0.7 Det I, I, Iz

Q: Determine the transfer functions, Ha(N) = Ya(N)/X (N) and H₂(N) = Y()/X(), for the digital system…

Q: 118 Meters, 1. Whats the number of significant digits? 2. Precision? 3. Greatest Possible Error?…

A: 1.To count the number of significant digits in 118, count all 3 digits since it has no insignificant…

Q: AC 15. What would the equivalent resistance be of a 159 uF capacitor? 16. What is the RMS voltage of…

Q: 2. Use mesh analysis to find the current flowing through R1, R2, R3 and R4. +V1 50 V R2 2 Ω R4 10 02…

Q: Find the variation in Q-point for an emitter-stabilized circuit with VBB = 3 V, R₂ = 10 KS, R₂ =…

A: Given: VBB=3 V, RB=10 kΩ, RE=200 Ω, RC=1 kΩ and VCC=20 Volts. Required: Variation in Q-point for an…

Q: 25 mA 150 Ω io 3302270 225 mA O Figure 2.

Concept explainers

Three-Phase Transformers

Three-segment transformers are a type of transformer used to transform voltages of electrical systems into three ranges. Two type transformers are shell-type transformer and core type transformer. In brief, it could be described because of the exquisite kinds of configurations.

Transformer

Ever since electricity has been created, people have started using it in its entirety. We see many types of Transformers in the neighborhoods. Some are smaller in size and some are very large. They are used according to their requirements. Many of us have seen the electrical transformer but they do not know what work they are engaged in.

Question

A 500 MVA 66 kV/132 kV transformer
star-delta has per unit leakage reactance
of 0.1 pu on the base of 500 MVA, primary
voltage 66 kv. What is the leakage reactance
referred to secondary side in ohms is:

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.

Similar questions

In the system shown in Figure 1, the transformers are connected star-star with both star points grounded and the generators are connected in star with thier star points grounded. The system base is 15 MVA. The transformers all have reactances of 0.04 p.u. on this 15 MVA base. The reactances of all other elements are given in Table 1 (in 2) and the voltage levels are given in Table 2. p.u. G1 p.u. T1 jö Per-Unit Convert all values to p.u. on a 15 MVA base. Xa= p.u. Xc₂= XL = V BABE G1 2 X 9 T3 Figure 1: A section of the distribution system T1 L Table 1: Sequence reactances (2) 3 G1 L G2 0.3 0.59 0.01 4 L 9/10 10 Fault Voltage What is the voltage at bus 3 (in Volts) after the fault has occurred? Vp= V T2 5 T2 34 10/4 Table 2: Voltage bases (kV) G2 4 T3 10/9 | G2 Fault Current A three-phase fault with a fault reactance of 0.01 p.u. occurs at bus 3. Calculate the fault current flowing at the fault point in KA. Ip=-j KA So
Connect three single-phase transformers in Y-Y, with subtractive polarity, so that the line-to-line voltages on the primary are 30 degrees delayed to their respective line-to-line voltages on the secondary. It should show each step that is needed to make this connection (example: the phasor diagram) and should show the final connection of the three transformers including the polarity markings. Assume phase A on the primary is terminal "H1".
What is the difference between star connection and delta connection for three-phase transformers?
Question 6 What is phase angle of voltage induced in primary and secondary windings of transformers due to mutual flux? Same Opposite Zero None of option A Moving to another question will save this response. AR e IT:7
In large transformers, the total copper losses may vary from the rated output. % of 0.8 to 1.5 0.2 to 0.6 0.5 to 1 0.4 to 1
explain why Transformers are necessary in all stages of power distribution systems. Three-phase voltages may be stepped up or down by three-phase transformers
A 50 Hz, Scott connected transformer supplies an unbalanced two phase load at ( 400 V) per phase. For the leading phase the load has a resistance of (13.3 ohm) and capacitor of (318) micro farad in series. For the other phase the load consists of resistance (10) ohm and an inductance of (42.3) mH. Calculate both mathematically and graphically the lines currents on 3- phase side. The main transformer primary to secondary turns ratio is (12/1).
What is phase angle of voltage induced in primary and secondary windings of transformers due to mutual flux? Same Opposite Zero None of option
In the medium and large transformers, the total copper losses should be A2 % of the rated output. (a) 0.7 to 0.9 (b) 0.5 to 2 (c) 0.2 to 0.6 (d) 0.4 to 1 In DC machines, provides the magnetic path as well as the
A 40 KVA, 1000 V/ 400 V, 50 Hz, single phase transformer has HV and LV side winding resistance as 0.7 ohm and 0.04 ohm respectively. The leakage reactance of HV and LV sides are 4.8 ohms and 0.11 ohm respectively. The voltage to be applied to HV side in order to circulate rated current with LV side shorted is
What are the conditions for the parallel operation of 1-phase transformers?
Draw three transformers for each of the different three-phase connections. That is, draw three transformers and then make the connection, eg star-star, then redraw three transformers and make another three-phase connection, and so on until all four combinations of three-phase connections are made.