A 15 KVA, 3.81 KV/381 V, 60 Hz, 3- phase transformer is supplying a load at line load voltage of 350 Volts. Supposing that the insulation can stand up to 700 Volts on the secondary, 7000 Volts on the primary. If the transformer is operating at 50 Hz power system, and what should the new ratings of the transformer be Select one: O a. Power Rating: 12.5 KVA, Voltage Rating: 3.175 KV / 317.5 V O b. Power Rating: 15 KVA, Voltage Rating: 3.81 KV / 381 V O c. Power Rating: 18 KVA, Voltage Rating: 4.572 KV / 457.2 V O d. None

Q: A transformer rated 1-kVA, 240/120, 60 Hz. Because of an emergency, the transformer has to be used…

A: Given,The transformer's rating is,1kVA, 240/120, 60Hz.We have to calculate the volt-ampere rating at…

Q: The voltage transformation ratio(K) for a transformer is one. Identify the type of transformer.…

A: Isolation transformers used for safety usually have a turns ratio of 1:1, with the number, turns in…

Q: Equivalent circuit parameters R1 = 1ohm, X1 = 2ohm R2 = 0.0035 ohm X2 = 0.0045ohm Xm = 1100ohm Rfe =…

A: If all the secondary quantities are referred to primary, we get the equivalent circuit of the…

Q: 5) A single-phase transformer is rated: 120 kVA, 2000 V/100 V, 50 Hz. Determine: a) The primary and…

A: The ratings of a single-phase transformer is,

Q: (b) Tests are performed on 14, 5 KVA, 110/1110, 50 Hz transformer and the following results are…

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Q: 1. A voltage transformer has 1500 turns of wire on its primary coil and 500 turns of wire for its…

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Q: and a full-load copper loss of 460 W. (a) The above transformer is to be connected as an auto…

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Q: A single-phase, 100 KVA, transformer has the following parameters: R1=60, R2=0.282, X1=30.162,…

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Q: b) A single phase 50 Hz, transformer with turns ratio of 25:1400 has cross sectional area of 110 cm2…

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Q: 2. Define the voltage regulation of the transformer?

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

Q: A 12-kVA, 240/120-V conventional transformer is to be reconnected as auto-transformer to supply…

A: Connect the auto transformer winding as below

Q: The primary winding of a transformer connected to 2,200 volts circuit consists of two coils which…

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Q: A 1.5 KVA 50 Hz single-phase transformer has turns ratio 40/50. The primary winding is connected to…

A: Given data, A single phase transformer has S=1.5 kVAf=50 HzN1N2=4050V1=230 V

Q: A single-phase transformer rated at 55 KVA has no load voltage of 241 volts, when the regulation is…

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Q: Question 1 I need the answer to be supported by a diagram or an equation 1. What is the purpose of…

A: 1.The purpose of lamination the core of the transformer is to reduce the Eddy current losses in the…

Q: 2-Draw the equivalent circuit of single-phase Transformer ,and write each value on it. ?

A: Equivalent circuit of the single phase transformer is given below

Q: 2- A 100 kVA,3-phase, 50 Hz, 6,600/400 V transformer is A -connected on HV side and Y- connected on…

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Q: voltage transformer has 1500 turns of wire on its primary coil and 500 turns of wire on its…

A: As per our company guidelines we are supposed to answer only first three subparts kindly repost the…

Q: A 3 kava, 500/250 V, 50 Hz, step-down transformer has the following parameters: Re1 = 3.5 ohm, Xe1 =…

A: A 3 KVA, 500/250 V, 50 Hz, step-down transformer  parameters: Re1 = 3.5 ohm, Xe1 = 4.5 ohm, Rc1 =…

Q: An 11 kV, 25 Hz transformer has 12R, hysteresis and eddy current losses 1.5, 0.6 and 0.4 percent of…

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Q: Is AC Adapter a transformer? Yes or no? If yes, what is the usual voltage rating?

A: Question : Is AC Adapter a transformer? Yes or no? If yes, what is the usual voltage rating?…

Q: A 40-KVA, 3,300/240-V, 50 Hz, 1-phase transformer has 660 turns on the primary. Determine (a) the…

A: In this question We need to determine the unknown parameters.  We know V1 /V2 = N1 /N2   Apparent…

Q: A transformer has 300 turns of the primary winding and 210 turns of the secondary winding.   a)…

A: Given that  N1=300  N2 =210  V1 =150 Volts Part (a)  Although  Formula for turn ratio for the…

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

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Q: Equivalent circuit parameters R1 = 1ohm, X1 = 2ohm R2 = 0.0035 ohm X2 = 0.0045ohm Xm = 1100ohm Rfe =…

A: In the idle running conditions, we assume all losses to be zero. Hence the efficiency will be 100%…

Q: Q-2-c) The equivalent circuit impedances of a BK-VA, 6350/220-V, 50-Hz transformer are to be…

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Q: Identify the type of Transformer referred to K=0.7 a. Step down b. Voltage transformer c. Step up d.…

A: Given, k=0.7

Q: The short-circuit and open-circuit tests were performed high-voltage rating of 7600 volts and…

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Q: single phase transformer has primary turns

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Q: B1 A single-phase, 50 Hz transformer has 30 primary turns and 420 secondary turns. The cross-…

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Q: A 100 KVA, 11,000/2200 V, 60 Hz, single-phase power system transformer gave the following test…

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Q: Which of the following is true for the operation of the transistor in the saturation region? I.…

A: The objective of the question is to identify the correct statements about the operation of a…

Q: 3.12 The following data are obtained when open-circuit and short-circuit tests are performed on a…

A: Part a solution is in image 1 Now exciting addmitance is Ym=1/xm =1/5004.02  mho

Q: A 100-KVA, 230-V/115-V, 60-Hz transformer was tested with the following results: Short-circuit test:…

A:

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.