b) A Scott-connected transformer is fed from a 6,600-V, 3-phase network and supplies two single-phase furnaces at 100 V. Calculate the line currents on the 3- phase side when the furnaces take 400 kW and 700 kW respectively at 0.8 power factor lagging.

b) A Scott-connected transformer is fed from a 6,600-V, 3-phase network and supplies two single-phase furnaces at 100 V. Calculate the line currents on the 3- phase side when the furnaces take 400 kW and 700 kW respectively at 0.8 power factor lagging.

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 3.33P: Consider the three single-phase two-winding transformers shown in Figure 3.37. The high-voltage...

See similar textbooks

Related questions

Q: I need the expert's handwritten solution. Is this a single visa or a multiple visa, and how?

Q: A)-An 8-pole lap wound d.c shunt generator has 120 slots with 4 conductors per slot. If each…

Q: Subject : electrical machine Please write handwritten Answer

A: Step 1:Step 2:

Q: if you can explain, that'll be awesome, anything is great though, txt book is Signal and Processing…

A: Step 1:Learning outcome: an is 0 for odd signals. Step 2:Step 3:Step 4:

Q: B-7-5. Given G(s) Show that = w s² + 25wns + w |G (jon)| = 1 25

Q: Needs Complete solution with 100 % accuracy don't use chat gpt or ai plz plz plz.

A: Here's a breakdown of how it works:Components:BJT (Q1): This is likely an NPN BJT transistor,…

Q: Los campos vectoriales mostrados son conservativos, encuentra una función potencial y aplica el…

A: Step 1:Step 2: Step 3:Step 4:

Q: Question 2: The signals S and R to a S-R edge-triggered flip flop are provided below. What is the…

A: Step 1:

Q: Please solve a to b handwritten detailed step by step solution thabk

A: Step 1:c=speed of light in free space= 299792458 m/s is a constant. Step 2:

Q: Calculate the peak to peak levels of I1 and I2 I got: I1 = 6.77mA∠-32.14° I2 = 8.66mA∠59.43° Can you…

Q: I couldn't understand the solution provided by the previous expert because the writing was not…

A: Let's dive into a comprehensive explanation of current flow and commutation in the armature of an…

Q: Q1) A) Draw the root locus of the system represented by the following transfer function; G(S)= k…

Q: Draw the gates: How many XOR gates are required to generate the parity bit for an eight-bit data…

A: Diagrams:Parity Generation (Single XOR Gate): +-------+ | Data0| +-------+…

Q: (b) Find the currents ₁ and 2 in the circuit of figure 3 3A 8A 12 4A I₁ 7A Figure 3

A: Step 1: Step 2: Step 3: Step 4:

Q: A- AB C- Figure P4.14 F2 Figure P4.15 F1 4-11. Analyze the two-output combinational circuits shown…

A: Step 1: One thing which you can identify very easily by looking at the gates is their type, AND, OR,…

Q: Please don't use matlab please answer in typing format

A: Step 1:root locus is plotted for open loop transfer function…

Q: Problem 3: The magnetization in a magnetic material for which Xm = 8 is given in a certain region as…

Q: Problem Set 1. Formulate the transfer function that describes the system shown when the input is…

A: Step 1: Step 2: Step 3: Step 4:

Q: Use the following for all 3 circuits. V1 = 9.0 V, V₂ = 12.0 V R₁ = 2.0 ohms, R₂ = 4.0 ohms, R3 = 6.0…

Q: Please solve a) and b) showing all the necessary detailsin each step of ur work. THe figure is also…

A: Certainly! Let's break down both parts:(a) Finding the values of i and j:In a hexagonal cellular…

Q: Compute the rms value of the voltage waveform shown below

Q: Please solve the following problem with detailed explanation.

A: To select the appropriate dielectric material for the given spherical capacitor, we need to consider…

Q: Q3 Find IL using superposition theorem for the following circuit : R30 XL E₁ =30 V/30° ( 000 892 Xc…

A: Step 1: Step 2: Step 3: Step 4:

Q: Q.4. Consider a unity feedback control system with feed forward :transfer function is .Q.4 G(s)…

A: Step 1: Step 2:

Q: Please answer in typing format

A: Step 1:here we assume nodal voltage V1 and V2applying nodal analysis…

Q: 1. Design or Draw a "3 to 8" decoder. Add (1) enable pin as an input to control when your design is…

A: To design a "3 to 8" decoder with an enable pin, let's start by drawing the truth table including…

Q: 32. An alternator requires an alternating current of 2.1 A to produce on short circuit its full-load…

Q: 18. [-/3 Points] DETAILS MY NOTES ASK YOUR TEACHER For the circuit in the figure below, find the…

A: In a capacitive AC circuit, the interplay between voltage and current leads to intriguing dynamics,…

Q: 3. RB=1 kn, R₁=15 kn, R₂-100 2, R₁-2.7 k, I-1 mA, B=100, VT-26 mV is given for the circuit below. IA…

A: Step 1: Step 2: Step 3: Step 4:

Q: Please answer in typing format

A: Step 1: for dc analysis voltage VBE assumed as 0.7V Step 2: applying KVL to base emitter loop…

Q: Please answer in typing format

A: The root locus technique is a graphical method used to analyze the stability and transient response…

Q: Q2: Write VHDL codes to implement the logic circuit in Fig. 1. A. With out using signal data…

A: Step 1: (a) Without using signal data objectsThe VHDL codes for a Full Adder implemented without…

Q: Part A In the circuit shown in (Figure 1) the batteries have negligible internal resistance and the…

A: First, we need to understand the problem. We are given a circuit with several resistances and two…

Q: The truth table for a boolean function F(w,x,y,z) is provided below. What is the optimized sum of…

A: Step 1:Here we have formed 2 groups each of size 4. Now, we are writing the expression which is…

Q: Design a ripple counter that counts to "6" and resets to "0." Use the logic gate to CLR' to inputs…

A: A ripple counter is a type of counter where each flip flop is triggered by the previous one. In this…

Q: Q2/ Find the current (1) for the following circuit : 8 ΚΩ 4 ΚΩ w E32 V 24 ΚΩ w 24 ΚΩ (a) 20 ΚΩ

Q: Consider the unit-feedback system shown in Figure 1, where G(s) = (s2-2s+2) Sketch s(s+1)(s+2) the…

A: Step 1:Step 2:Step 3:Step 4:

Q: Calculate io in the circuit of the figure applying mesh analysis.

A: KIRCHHOFFS VOLTAGE LAW:It states that the algebraic sum of voltages and their voltage drops are…

Q: 3. A particle is subjected to an impulsive force that acts over the timescale-T < t <T and is zero…

Q: Electric charge is distributed over the triangular region D shown below so that the charge density…

Q: Please answer in typing format

A: To solve for the output voltage Vo in the given circuit, we need to apply the fundamental laws of…

Q: B)- Simplify the following equation and draw the diagram for simplified equations Y=((ABC+A B) BC)

A: Step 1:Step 2:

Q: Please answer in typing format

A: Step 1:Given circuit is, The input voltage Vi is in the range of -10V to +10V. The…

Q: How do I answer part ii) the answer is 9.23mA

Q: 12: An RLC series circuit has a resistance of R=10 and a variable inductance. is connected in series…

A: Step 1: Step 2: Step 3: Step 4:

Q: Please answer in typing format

A: Step 1:Step 2:

Q: Given that the Fourier Transform of signal x(t) is: X (f) = rect (½) Find the Fourier Transform X(f)…

A: Step 1:Step 2: Step 3: Step 4:

Q: Determine si los campos vectoriales mostradosson conservativos o no lo son, y si lo son encuentra…

A: Step 1:Step 2:Step 3: Step 4:

Q: QUESTION 6 Two blocks are supported at rest as shown. Each block weighs 10N. Block A rests on a…

A: Step 1: Step 2:Step 3:

Q: A three phase inverter has a Y-connected load. The inverter frequency is fo = 50 Hz and the DC input…

A: Step 1: Step 2: Step 3: Step 4:

Question

Subject : electrical machine Please write handwritten Answer

b) A Scott-connected transformer is fed from a 6,600-V, 3-phase network and
supplies two single-phase furnaces at 100 V. Calculate the line currents on the 3-
phase side when the furnaces take 400 kW and 700 kW respectively at 0.8 power
factor lagging.

Expert Solution

This question has been solved!

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

SEE SOLUTION Check out a sample Q&A here

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Similar questions

Consider the three single-phase two-winding transformers shown in Figure 3.37. The high-voltage windings are connected in Y. (a) For the low-voltage side, connect the windings in , place the polarity marks, and label the terminals a, b, and c in accordance with the American standard. (b) Relabel the terminals a, b, and c such that VAN is 90 out of phase with Va for positive sequence.
Three 1-phase, 41 kVA, 2400 V/ 277 V, 60HZ Transformers are connected to form a 3-phase 4160 V/ 480 V transformer bank. The equivalent impedance of each transformer referred to high voltage side is 2.0 + j 4.0. The low voltage side of the 3- phase transformer bank is connected to a DELTA connected load 10.0 +j 1.0 ohms. Find the Voltage Regulation is %. Enter your answer to 2 decimal places.
A 4 kVA, 400/200 V single-phase transformer has resistance of 0.02 p.u. and reactance of 0.06 p.u. Its actual resistance and reactance refferd to h.v. side are ?
6. 150 kVA, 2800-240 V, 50 Hz transformer. Regis = 0.0082N , Xeq.Ls = 0.0223N RfcHs=2200N Step down transformer delivers 135 kW to a load at 0.9 lagging power factor at rated voltage. Determine the Following: a) Terminal voltage (LV side). b) Terminal voltage (HV side). c) High side current. d) Input impedance. e) Voltage regulation. f) Efficiency. g) Voltage regulation for 0.9 leading pf. h) Draw the phasor diagram of secondary circuit at 0.9 lagging pf. i) Draw the phasor diagram of secondary circuit at 0.9 leading pf. XmHs=12002
A 120 kVA, 1350/330 V single phase transformer has the following parameters: R1 = 0.34 Q, X1 = 0.59 0, R2 = 0.014 Q, X1 = 0.029 Q, Rc = 380 and Xm = 320 Q. The no load current is 4.7 A at a power factor of 0.36 lagging and the no load losses are 4.6 kW. For a full load and 0.9 power factor lagging with 300 V load terminal voltage, determine (a) equivalent circuit parameters referred to primary side, (b) percentage regulation and (c) full load efficiency. O:01 AM
Determine the ratio of the kW output of transformer A to the kW output of transformer B. Both transformer have equal ratings and turns ration. Transformers A and B are connected in parallel to serve a 750-A single phase load at 0.85 pf lagging. The equivalent impedance of the transformers are 2.5 + j3.75 and 2.875 + j6.25 omhs, respectively.
A single-phase, 240 kVA, 240/4800 V transformer has the parameters shown in Figure Q5. Determine I and V at the primary and secondary when transformer is operating at full load kVA, 0.8 power factor leading and 220 V at the primary side. Find the voltage regulation. Use actual values and per unit system. 0.002625 Q 0.009 0 1.05 Ω 3.6 Ω V2 40 0 30 Q Figure Q5
A A-A transformer bank consists of three individual transformers each with its rating given in the figure. Y 32.3 - j223 HO Z = 0.0143 + j0.0181 2 %3D %3D 2400 240 V 50 kVA a) Give the bank rating. b) Draw and completely label with numerical values, the per-phase equivalent circuits referred to the high-side and the low-side. c) If the transformer bank is delivering half-rated kVA at rated voltage, 0.8 pf leading, what is the input line.voltage.? d) What is the load impedance? e) What is the bank efficiency and voltage regulation at this load?
Chapman Problem 3-4. A single-phase power system is shown in the figure below. The power source feeds a 100-kVA, 14/2.4-kV transformer through a feeder impedance of 38.2 + j140 N. The transformer's equivalent series impedance referred to its low-voltage is 0.12 + j0.5 N. The load on the transformer is 90 kW at 0.85 PF lagging and 2300V. а. What is the voltage at the power source of the system? b. What is the voltage regulation of the transformer? How efficient is the overall power system? С.
- A load of 200 kW at 0.85 power factor is to be shared by two transformers A and B having the same ratings and the same transformation ratio. For transformer A, the full-load resistive drop is 1% and reactance drop 5% of the normal voltage. For transformer B the corresponding values are: 2% and 6%. Calculate the load kVA supplied by each transformer. Express answers in polar form.
Two single-phase transformers A and B are connected in parallel to serve a 600-A single phase load at 080 pf lagging. The equivalent impedance of the transformers are 2 + j3 and 2.3 + j5 ohms, respectively. Determine the ratio of the kw output of transformer A to the kW output of transformer B. Assume the transformers have equal ratings and turns ratio. Draw the parallel transformer diagram
Ql-phase step down transformer 1250 KVA, 11000/2200 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 0.01N and 0.062 respectively if the primary winding is connected in delta and secondary in star calculate: i)The voltage to be applied at normal frequency to the primary to circulate full-load through it when the secondary is short-circuited I i) The full load copper loss