Two 220-V, 1-phase electrical furnaces take loads of 350 kW and 500 kW respectively at a power factor of 0.6 lagging. The main supply is at 11-kV, 3-phase, 50 Hz. Calculate current in the 3-phase lines which energize a Scott-connected transformer combination.

Q: and a 500-KVA, 1-phase transt ers are connected to the s ame bus-bars on the primary side. The…

A: Please find your answer below

Q: What is Per Unit System? In the given picture, would there be any difference in calculation of the…

A: The per-unit value of any quantity is defined as the ratio of actual value in any unit to the base…

Q: Please help with the transformer question

A: The equivalent circuit parameters of a 2.4 kVA, 2400/240 V, 50 Hz step-down transfer are given…

Q: 6. Transformers have the capability to step up or step down AC voltage True False

A:

Q: For this question you are to sketch two transformers (T1 and T2) side by side connected in PARALLEL.…

A: Schematic diagram requirements are  - Two single phase transformer primary connection  - Voltage…

Q: Your aunt living in the USA sent an appliance that has impedance equal to 10+ j3 2 at 60 Hz. She…

A: We draw a equivalent circuit diagram of the given system referred to primary side

Q: Write the short notes on Reactive Power compensation for test transformer. (Submit Through Turnitin…

A: The management of reactive power to improve the performance of alternating-current (ac) power…

Q: Describe the On-load and No-load in transformers

A: On-load in transformer Current flows through the secondary winding and out to the load when an…

Q: Q3) What are the elements finding from no-load test of single phase transformer?

A: At no load test  rated voltage is applied with secondary open circuited. At no load only magnetizing…

Q: In two winding transformers, windings are electrically isolated and magnetically connected. Select…

A: Transformer works on the principle faradays laws of electromagnetic induction.  Transformer consist…

Q: Discuss the role of transformers in power distribution. How do step-up and step-down transformers…

A: Transformers are electrical devices which used to change the voltage levels with constant power and…

Q: The efficiency of transformer is maximum at 10O0% loading? * True False

A: The given statement is a false statement.

Q: 1. What happen when the two transformers are operated in parallel having un equal turn's ratio. 2.…

A: 1: If two transformers with different transformation ratios (un-equal turn's ratio) are connected in…

Q: Block Parameters: Linear Transformer Linear Transfomer (mask) (link) Implements a three windings…

A: Let V1 be the primary winding voltage and, V2 be the secondary winding voltage. The mathematical…

Q: TRUE or FALSE: Distribution transformers are always step-down transformers.

A:

Q: What are the conditions for the parallel operation of 1-phase transformers

A: In this question,  We need to the conditions for the parallel operation of 1-phase transformers?…

Q: construction H.W What is the Transformer construction? Give me types of transformer?

A:

Q: Three single-phase transformers, each rated 10 MVA , 66.4/12.5 kV, 60 Hz , with an equivalent series…

A: Calculate the per unit current with respect to the base.

Q: Q.3. Why is the transformer core laminated?

A:

Q: 4. An Open-Wye/Open-Delta transformer, as shown in Figure, is formed by two identical single-phase…

A: Step 1:- Part (a) Assume the 3-phase load is delta connected. Observe that between phase b and c an…

Q: What are the uses of three-phase transformers?

A: In this question,  We need to determine the uses of three phase transformer.  We know Three phase…

Q: What is the difference between star connection and delta connection for three-phase transformers?

A: Introduction - Three-phase transformer - A three-phase transformer is composed of three groups of…

Q: Questions:- 1. What happen when the two transformers are operated in parallel having un equal turn's…

A: According to the bartleby's guidelines we have to solve only one question posted by students so…

Q: (c) Explain the losses of a real single-phase transformers.

A: In this question we will write about single phase transformer losses....

Q: The efficiency of the I.M of the same :rating as transformer is

A: Effeciency of Induction motor compared to transformer:

Q: Explain conditions of 3-phase transformer to be connected in parallel.

A:

Q: What happen when the two transformers are operated in parallel having un equal turn’s ratio.

A: We are authorized to answer one question at a time, since you have not mentioned which question you…

Q: It is the general practice to have the high voltage side lead the low voltage side by the above…

A: The high voltage and low voltage winding terminals of a three phase transformer are connected either…

Q: why is there preferable use isolating transformers with cascade transformer unit , if the power…

A: Autotransformers are also known as Isolation Transformer. This is due to the fact that their…

Q: <0° 39 VI 1Ω j2 Ω tele -j1 Ω tr j2 Ω j2 Ω j2 Ω 1Ω tele j1 Ω -j2 Ω

A: Zin  impedance seen from the source in the transformer circuit . Circuit:-

Q: A-derive an equation for the copper saving in autotransformer. B- what are the disadvantages of the…

A: Given  We need to derive the equation for saving of conductor in an autotransformer and we need to…

Q: A three-phase transformer bank is connected wye–delta. The primary voltage is 12,470 V, and the…

A: Yes, it is possible to connect the two remaining transformers in the open delta configuration in…

Q: Two transformers A and B of different ratings but equal voltage ratios share a load of 900 kVA at…

A: Load  SL = 900 KVA   0.8 pf lagging transformer  A  rating is  600 KVA transformer  B  rating is…

Q: 3.26 A bank of three single-phase transformers, each rated 30 MVA, 38.1/3.81 kV, are connected in…

A:

Q: a)Why are transformers generally connected in parallel at a substation? b)What conditions must be…

A: Transformers are generally connected in parallel at a substation to increase the overall power…

Q: The primary of a 500/5 A, 5 VA, CT Carries 200A and secondary carries 2.5 A. The ratio error of the…

A:

Q: Whenever a conductor is placed in a magnetic field it experiences a force, this is related to motor.…

A:

Q: What are the reasons for using transformer oil in power transformers and why are mineral oils…

A: The explanation is as follows.

Q: If two transformers are operated in parallel with voltage ratio of transformer A slightly greater…

A:

Q: Two 7970-V:230-V single-phase transformers with impedance with respect to their secondaries of 1.5…

A: Primary Voltage = 7900VSecondary Voltage = 7970 VLoad Impedence = 30+j40 ohms1st transformer…

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.