A transformer has 800 primary turns and 100 secondary turns. The primary and secondary resistances are 0.2 and 0.05, respectively, and the corresponding leakage reactances are 0.5 and 0.05, respectively. Calculate the magnitude of the equivalent impedance referred to the primary winding

A transformer has 800 primary turns and 100 secondary turns. The primary and secondary resistances are 0.2 and 0.05, respectively, and the corresponding leakage reactances are 0.5 and 0.05, respectively. Calculate the magnitude of the equivalent impedance referred to the primary winding

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 3.1P: (a) An ideal single-phase two-winding transformer with turns ratio at=N1/N2 is connected with a...

See similar textbooks

Related questions

Q: A 440/110 V single phase transformer when operated at no load has 6 A No current takes at 0.25…

A: solution: Given data; single phase transformer: 440/110 V, no load current Io=6 A, cosϕo=0.25,…

Q: An ideal transformer has 8658 turns on the primary and 4405 turns on the secondary. Calculate the…

A: We need to find impedance on primary side due to given load impedance .

Q: Consider Figure 1 of the text. For an ideal phase-shifting transformer, the impedance is unchanged…

A: Referring to the given hints, the impedance of the secondary side seen from the primary side:

Q: A 600kVA three phase transformer has iron losses of 900W and full load copper losses of 8100W. Find…

A: For maximum efficiency of the transformer, the relation between the copper loss and the iron loss is…

Q: 4.5 +J6 ohms referred to the high-Voltag A 1200/240-V practical transformer has an equivalent…

Q: A transformer has 1200 primary turns and 200 secondary turns. The primary and secondary resistances…

A: It is given that: N1=1200N2=200R1=0.2ohmR2=0.02ohmX1=1.20hmX2=0.05ohm

Q: There is no leakage in an ideal transformer Select one: O True O False

Q: A 100-kVA 400/2000-V single-phase transformer has the following parameters: R = 0.01 N R2 = 0.25 N…

Q: The table below shows some performance parameters of a certain power transformer. Full-load voltage…

Q: A short circuit test on a 15KVA,2400/240V, 50hz transformer yields the following results: 6.25A,131V…

A: In this question, We need to determine the voltage regulation If power factor is 0.8 lagging and…

Q: A 600 kVA transformer has a primary winding resistance of 0.62 and a secondary winding resistance of…

A: We need to find a efficiency of transformer at full load with power factor 0.8 and on half loaded…

Q: A transformer has 700 primary turns and 150secondary turns. The primary and secondary resistances…

A: Given, Transformer has, Primary turns, N1= 700 Secondary turns, N2= 150 Primary Resistance, R1= 0.4…

Q: A 4:1 ratio step-down transformer takes 1 A at 0.15 power-factor on no-load. Determine the magnitude…

A: In this solution we discuss about no load equivalent circuit of transformer & its no load…

Q: A transformer has an input voltage of 2kV and a step-down ratio of 5:1. The primary and secondary…

A: According to question: The equivalent resistance with respect to secondary winding is calculated as…

Q: Draw the approximate equivalent circuit of the transformer referred to the LV side.

Q: Problem 6.10: A 2-MVA, 4160/480 V transformer has series impedance of R= 2% and X = 6%. Determine…

A: The solution can be achieved as follows.

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

Q: The transformer will operate at its minimum efficiency when the variable loss equals the fixed loss.…

Q: A transformer has 700 primary turns and 150secondary turns. The primary and secondary resistances…

Q: A 500 kVA transformer has an efficiency of 95% at full load and also at 60% of full load; both at…

A: (a)Separation of losses: Where Pi is iron loss and PC is full load cu loss.…

Q: Problem: An ideal transformer is rated at 2400/120 V, 9.6 kVA, and has 50 turns on the secondary…

A: We need to analyse the given single phase Transformer .

Q: A single-phase 100 kVA, 1000 V/100 V, 50 Hz transformer has a voltage drop of 5 cross its series…

Q: A 200MVA 200/15kV single-phase power transformer has a per-unit resistance of 1.1% and a per-unit…

A: Given, 200MVA woo/15KV single phase transformer RPu = 1.1% and XPu = 2% we need to determine…

Q: A transformer has 800 primary turns and 250 secondary turns. The primary and secondary resistances…

A: For this problem, we can solve each by using particular formula.

Q: A 23-kVA, 2300/230-V, 60-Hz, step down transformer has the following resistance and leakage-…

Q: A 50 kVA transformer has a core loss of 500 W and full load core loss of 900 W. The load at which…

A: Given Full load KVA= 50 KVA Iron losses (pi) =500w Copper losses (pcu) =900w

Q: 11. A single-phase transformer has a voltage ratio on open-circuit of 3300/660-V. The primary and…

A: step-1Primary voltage V1=3300 vsecondary voltage V2=660 vprimary resistance R1=0.8?secondary…

Q: he apparent power in primary and secondary side of the distribution transformer remains the same at…

A: Given In transformer apparent power remains same on primary and secondary side.

Q: An ideal transformer can be used as impedance transformer. Select one :- True. False

A: We need to tell about given statement

Q: A transformer has 600 primary turns and 300secondary turns. The primary and secondary resistances…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: The open-circuit voltage of 242 V and the full load secondary voltage of 222 V, then the %…

A: As per guidelines I have to answer first question only.please post remaining again Given data Voc or…

Q: A transformer has 520 primary turns and 160 secondary turns. The primary and secondary resistances…

A: First we will refer secondary side resistance and reactance to primary side and than we will find…

Q: A 300 kVA transformer has a primary winding resistance of 0.4 0 and a secondary winding resistance…

Q: 4.1 Assume that an ideal transformer used to step down 13.8–2.4kV and that it is fully loaded when…

A: Given:Transormer is ideal,Hence, the i/p KVA = o/p KVAVoltage rating 13.8 kV/ 2.4 kVAlso, o/p KVA =…

Q: A single phase, 250 kVA, 10kV/2kV 60 Hz transformer has the following equivalent circuit parameters…

A: Given Single phase transformer 250 KVA,10 Kv/2Kv 60 HzRc(HV)=60.2 kΩ Xm(HV)=18.44…

Q: Find (i) the equivalent circuit parameters referred to the low-voltage side of the transformer, (ii)…

Q: A transformer has 800 primary turns and 250 secondary turns. The primary and secondary resistances…

Q: For any transformer, one can prove that Il*N1/fl=12*N2*f2, where fl and f2 denote the frequencies of…

A: Transformer is an static device which convert energy from one circuit to other circuit using primary…

Q: A 150-kVA simple-phase transformer has a core loss of a 1.5kW and a full-load Cu loss of 2 kW.…

A: In this question we need to find a efficiency of the transformer at the given condition.

Q: A 230/460-V transformer has a primary resistance of 0.2 ohms and reactance of 0.5 ohms and the…

A: Given: N1N2=230460R1=0.2 ΩX1=0.5 ΩR2=0.75 ΩX2=1.8 ΩI2=15 Acosϕ=0.6 pf lagging

Q: The efficiency of a 400 kVA, 1-phase transformer is 95 % when delivering full load at 0.8 power…

Q: A 600 kVA transformer has a primary winding resistance of 0.60 and a secondary winding resistance of…

Q: A 100 KVA transformer is at 80% of full-load with power factor of 0.85 lagging. What KVA of load of…

Q: A transformer with turns-ratio 8:1, has the resistances of the primary and secondary windings as…

Q: A single-phase transformer, working at unity power factor has an efficiency of 90 % at both half-…

Q: The open-circuit voltage of 240 V and the full load secondary voltage of 226 V, then the %…

Q: The maximum efficiency of a 200KVA, 6000/230volt, 50HZ, single phase transformer occurs at half load…

Q: A 19kVA transformer steps down from 3300V to 240V. The resistance of the primary and the secondary…

Q: 6- A 600 kVA, 1-ph transformer has an efficiency of 92 % both at full- load and half-load at unity…

A: In this question we need to find efficiency of transformer for given loading conditions.

Q: 2) The following no-load results are obtained at the excitation branch of a 10, 20 kVA Hz…

Concept explainers

Analog to Digital Converters

The analog-to-digital converter (ADC) allows circuits controlled by microprocessors, Arduinos, Raspberry Pi, and various reasonable digital circuits to be connected to the real world. In the real world, analog signals have a continuous stream of information from a variety of sources and sensors capable of measuring sound, light, temperature, or movement, in addition to the many digital systems that interact with their environment by measuring analog signals from those transducers.

Question

electrıcal enery systems

A transformer has 800 primary turns and 100 secondary turns. The primary and
secondary resistances are 0.2 and 0.05, respectively, and the corresponding leakage
reactances are 0.5 and 0.05, respectively.
Calculate the magnitude of the equivalent impedance referred to the primary
winding
Lütfen birini seçin:
a.4.85
b.7.58
c.3.45
d.5.02
e.6.24

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 1: Concept

VIEW

Step 2: Solution

VIEW

Step by step

Solved in 2 steps with 4 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 40-kVA, 8000/230-V distribution transformer has an impedance referred to the primary of 18 + j80 Ω. The components of the excitation branch referred to the primary side are Rc = 100 kΩ and Xc = 20 kΩ. If the primary voltage is 7920 V and the load impedance is ZL = 1.5 + j*0.7 Ω what is the secondary voltage, in volts?
Determine the characteristic impedance for a quarter-wave transformer that is used to match a section of 50-Ωtransmission line to a 60-Ωresistive load.
Given the transformer circuit below, a load of 2.5cis20° Ohms is connected to the output terminals of the transformer. If the voltage across the load is 230V, determine the following:a. ILb. IMc. ICd. Source voltage, V
100 kVA, 6800-240 V, 50 Hz single phase step down transformer has the following parameters: RLS=0.008Ω RHS=2.6Ω Rfe-HS=5000Ω XLS=0.015Ω XHS=5.2Ω Xm,HS=8800Ω Transformer is delivering 80% of rated load at rated voltage and 0.95 lagging power factor. Determine the following: a) The equivalent impedance of the transformer referred to primary. b) Input impedance of the combined transformer and load. c) Actual input voltage at HV side. d) Input impedance if load is disconnected. e) Exciting current at no load. plesae solve the parts (d) and (e)
100 kVA, 6800-240 V, 50 Hz single phase step down transformer has the following parameters: RLS=0.008Ω RHS=2.6Ω Rfe-HS=5000Ω XLS=0.015Ω XHS=5.2Ω Xm,HS=8800Ω Transformer is delivering 80% of rated load at rated voltage and 0.95 lagging power factor. Determine the following: a) The equivalent impedance of the transformer referred to primary. b) Input impedance of the combined transformer and load. c) Actual input voltage at HV side. d) Input impedance if load is disconnected. e) Exciting current at no load.
100 kVA, 6800-240 V, 50 Hz single phase step down transformer has the following parameters: RLS=0.008Ω RHS=2.6Ω Rfe-HS=5000Ω XLS=0.015Ω XHS=5.2Ω Xm,HS=8800ΩTransformer is delivering 80% of rated load at rated voltage and 0.95 lagging power factor. Determine the following:a) The equivalent impedance of the transformer referred to primary.b) Input impedance of the combined transformer and load.c) Actual input voltage at HV side.d) Input impedance if load is disconnected.e) Exciting current at no load. please I want full anwser
Which termination would result to a phase change of 180 degrees at the load if Zo = 100 ohm? a. 50 ohm b. short circuit c. 75 ohm d. all of these What is the purpose of impedance matching? a. maximum return loss b. maximum SWR c. maximum load power d. maximum reflection A short piece of transmission line that may be open or shorted and used for impedance matching purposes. a. converter b. decoder c. stub d. transformer
The low voltage side of a particular transformer has 747 turns while its high voltage side has 69471 turns,when connected as a step-up transformer, its secondary impedance is 371907 + J 250821 ohms. What is thenequivalent of this impedance in the primary side of the transformer?
A star connected load with real impedance ZL= 1-j1 Ohm per phase is connected to the secondary of a three-phase Ynyn0 connected transformer. The equivalent impedance per reduced phase of the transformer to the primary is Zeq1= 1+j5 Ohm. The nominal primary voltage is V1Ln= 5920 V and the conversion ratio is a= 10. what is the amplitude of the actual voltage falling on one phase of the specified load? (simplified equivalent circuit will be used).
A conventional phase transformer given in the figure will be connected as an autotransformer in two different ways. Each For a connection, find the input and output powers by drawing the connection. a) Connection of 1220 / 220V autotransformer b) 1000 / 1220V autotransformer connection
A transformer has a ratio of 4:1. The high voltage side is connected to a 240 Vrms source. The low voltage side (secondary) is connected to an impedance ZL = 20 + j10 Ω.a. What is the value of the load impedance when referred to the primary?b. (in A rms) What is the current out of the source?
A single - phase transformer rated 60 KVA in connected to 400/235 VA 5HZ supply, has an efficiency of us at fuit load If the terminal voltage on full load is 200 V. Determine the voltage regulation and output frequency Voltage Regulation Frequency