An ideal transformer is rated to deliver 460 kVA at 380 V to a customer, as shown in Figure 7. a. How much current can the transformer supply to the customer? b. If the customer's load is purely resistive (i.e., if pf = 1), what is the maximum power that the customer can receive? [hint Pout=PinCos(e)] c. If the customer's power factor is 0.8 lagging, what is the maximum usable power the customer can receive? d. What is the maximum power if the pf is 0.7 lagging? e. If the customer requires 300 kW to operate, what is the minimum power factor with the given size transformer? Customer's load Ideal transformer Customer elle

An ideal transformer is rated to deliver 460 kVA at 380 V to a customer, as shown in Figure 7. a. How much current can the transformer supply to the customer? b. If the customer's load is purely resistive (i.e., if pf = 1), what is the maximum power that the customer can receive? [hint Pout=PinCos(e)] c. If the customer's power factor is 0.8 lagging, what is the maximum usable power the customer can receive? d. What is the maximum power if the pf is 0.7 lagging? e. If the customer requires 300 kW to operate, what is the minimum power factor with the given size transformer? Customer's load Ideal transformer Customer elle

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

Related questions

Q: Approximate solution time is 5 minutes. A transformer supplies power to a feeder that has five…

Q: 18. In single phase transformer, if the secondary turns N2 is greater than the primary turns N1,…

Q: A 240/60 V, single-phase, ideal transformer is to supply power to a load rated at 90 V, 60 Hz. What…

Q: Complete the answer : A transformer takes a current of 0.42 A, when its primary winding is connected…

Q: When a transformer takes a current of 0.8 A and its primary is connected to a 235 V, 50 Hz supply,…

Q: 2-An ideal transformer consists of a primary winding (100 turn) and a secondary winding (1000 turn).…

A: Given here an ideal transformer primary winding turns and secondary winding turns and secondary…

Q: Discuss the relationship between the operating frequency and the transformer size? Through your…

A: Considering the EMF equation of the transformer, E=4.44×f×Bm×N×A Here, E is emf, f is frequency, Bm…

Q: A 100kVA transformer has a maximum efficiency of 0.95 at 50% full load and unity power factor .…

A: Electrical machines can be either generator or motors. They can be either Ac machines or DC…

Q: 6) A transformer takes 100V at primary and gives 50V at secondary, its turn ratio equals ... ....…

A: Primary voltage =100V secondary voltage= 50V

Q: -V 50-Hz distribution transformer is tested for efficiency and regulation as follows OC. test( Low…

A: Note: We are authorized to answer three sub parts at a time, since you have not mentioned which part…

Q: A transformer is needed that will cause an actual load resistance of 25 Ω to appear as 100 Ω to an…

A: The circuit diagram is shown below: Transfer RL on primary side;

Q: In a 15KVA, 2000/ 200 V power transformer, the iron and full load copper losses are 375W and 410W…

A: Dear,as per company guidelines we can answer only one question at a time, kindly post other…

Q: 11) Which phenomenon is used in transformer to change the values of alternating voltages and…

A: Given that Which phenomenon is used in transformer to change the values of alternating voltages and…

Q: transformer as shown in the figure given below. transformer is connected to form an auto A…

Q: 3) Obtain the relationships between terminal voltages and currents for each of the ideal…

A: The solution is given below

Q: In an ideal transformer having a 1 to 2 turns ratio, the secondary: O a) current is half the primary…

A: In case of ideal transformer, transformer used for transfer the power and stepping up and stepping…

Q: For problem 1-3, consider Figure 1. 2:1 120 Vrms ooooo rellle D. 84.9 V 2. The dc voltage at the…

A: We need to analyse the given half wave rectifier circuit

Q: You have been assigned to select a transformer to supply a peak power of 100 kW to a load that draws…

A: Given a transformer is supplying the peak load of 100 kw for small time and very less load in the…

Q: A step-up transformer is designed so that the output of its secondary winding is 2,200 V (rms) when…

A: Given: A step up transformer is designed to have V1=210 VV2=2200 V

Q: Q2/The primary of a certain transformer takes 1 A at a power factor of 0.4 when it is connected…

A: TRANSFORMER: The transformer transfers power from one circuit to another circuit without a change…

Q: A 200 V/100 V, 50 Hz transformer is to be excited at 40 Hz from 100 V side. For the exciting current…

A: Given, A 200 V/100 V, 50 Hz transformer is to be excited at 40 Hz from 100 V side. The exciting…

Q: Single phase 10 kVA, 480 V / 120 V to feed a 120 V load from a 600 V source conventional transformer…

Q: 8. The two winding transformer and the autotransformer of the circuit shown in Figur Determine the…

A: given transformer and autotransformer

Q: 1) Calculate the maximum RMS current in p.u. that guarantees the equality of losses between the…

A: Given : KVA rating is 400 KVA PCP=6% Find the RMS value of current in PU For 12 pulse converter…

Q: 3- a) An actual transformer is connected to a load with a given impedance, in that case draw…

A: The above questions are related to a 1 phase transformer.

Q: B)-Bescribe various losses in transformer. Explain how each loss varies with load current, supply…

A: Type of transformer Single phase transformer Three phase transformer Star Star connection Star…

Q: In the power system below, where would you expect to see a step-down transformer? Power Plant…

A: In power system transformers changes the voltage levels , so that transmission losses is reduced .…

Q: A 100 kVA transformer has an iron loss of 3 kW and a full load copper loss of 4 kW. So at what kVA…

A: Solution: Given data; KVA =100 KVA, Iron loss Wi=3 KW , full load copper loss Wc= 4 KW , power…

Q: Approximate solution time is 5 minutes. A transformer supplies power to a feeder that has five…

A: Given a transformer supplies power to a feeder that has a 5 consumers. Daily maximum demands for…

Q: 1.) A transformer with a rating 600 KVA has an efficiency 0f 94 percentage at full load and at 1/4TH…

Q: 14. The maximum flux of a 50HZ transformer is 0.001Wb. If the primary is wound Vwith 1080 turns,…

Q: Complete the blank The copper loss of a transformer at 4/5 of the full load is 4000 W, full load…

Concept explainers

Single Phase Transformer

A single-phase transformer is a type of power transformer. It is an electrical device that accepts converts the single phase alternating power into single phase alternating power. In this power conversion the voltage is stepped up or down. If the voltage is stepped up, the current will be stepped down and if the voltage is stepped down, the current will be stepped up.

Question

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

Step 2

Step 3

Step 4

Step 5

Trending now

This is a popular solution!

Step by step

Solved in 5 steps with 1 images

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

A single phase 220/6 Volt, 50 Hz transformer has a rated primary current = 0.5 A. its maximum efficiency is at load current = 15 A and equal to 94% at unity p.f. Its efficiency at rated load, 0.65 p.f. lagging is: 087.8%. 092.3%. 090.9%. O None.
Please ? help o have no knowledge in this field With explanations
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
Solve it quickly please
8. The two winding transformer and the autotransformer of the circuit shown in Figure are ideal. Determine the conducting and transformed currents of auto transformer. N1=200 NBC=20 N2=100 NBA=30 10A B 200 V 50,Hz C N1: N2
Solve it correctly please. I ll rate.
A 100 kVA distribution transformer has an iron loss of 2.0 kW and a total load copper loss of 4.5 kW. During the day this transformer supplies a load of 80 kW at 0.8 power factor for 5 hours, a load of 42.5 kW at 0.85 power factor for 9 hours, a load of 21 kW at 0.7 power factor for 4 hours and the rest of the time the load is zero. So find its energy efficiency.
Which of the following statements is true about an ideal transformer? O It changes the magnitude of DC signals. O It converts DC signals into AC signals. O It converts AC signals into DC signals. O It changes the magnitude of AC signals. hp
A 25 kVA, 2 kV(rms)/100 V(rms) single phase transformer is connected between a 120 V(rms) utility supply and a resistive load. The load current was measured to be 20 A(rms). i. Determine the active power of the load. ii. Determine the primary RMS current. iii. Determine the equivalent resistance of the transformer as seen by the utility supply.