A.1. A gas likely to be used in an inert-gas system of a power transformer is A. oxygen. B. hydrogen. C. air. D. nitrogen.

Q: What is the characteristic of transformer of step-up and step-down transformer?

A: We are supposed to be answer of first question as per guildlines.

Q: Choose which of the following current is in phase with the flux in the no load phasor diagram of…

A: At no load, transformer draws some current to meet no load losses.

Q: Question 1. a) Give the schematic diagram showing a shunt compensator on a distribution…

A: It is asked to draw a schematic diagram showing a shunt compensator on a distribution transformer.

Q: 1. From first principles, derive the per-phase equivalent circuit of a three-phase transformer…

A: In this section are multipart questions. I have done only one part. A transformer is an electrical…

Q: Q1) I. A 100 kVA, three-phase ideal transformer has 4950 turns on the pr imary and 180 turns on the…

A: As per Bartleby guidelines we are allowed to solve only one question with maximum three subparts,…

Q: (b) A three phase distribution transformer characteristics is shown in Table Q1(b). Referring to…

A: Formula to calculate efficiency of a transformer is: η=n×KVA×cosϕn×KVA×cosϕ+Pi+n2×PCUwhere, n is…

Q: If the supply frequency of the transformer increases, the secondary output voltage of a transformer.…

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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: Determine the value of v and the power supplied by the independent current source. 6 kN. 2i,1 24 mA…

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Q: b) Sketch four (4) types of possible connections for a three-phase transformer bank.

A: Three-phase transformer bank is in the transmission line and is studied in the power electrical…

Q: 5. A 100-kVA, 3-phase, 50-Hz 3,300/400 V transformer is A-connected on the h.v. side and Y-connected…

A: Rating of transformer S = 100 KVA Frequency f = 50 Hz Voltage rating 3300/400 V Resistance at hv…

Q: describe the application of transformer oil in power system equipments.

A: Transformer: Transformer is an electric device. It is also known as static device as it doesn't have…

Q: Report: 1.Compute the Core losses(no-load loss) of the Transformer. ? 2.Compute the exciting branch…

A: As per the policy , I am attempting the only first question as of my knowledge please ask the second…

Q: what are the advantages and disadvantages of single phase dry-type power transformer when used with…

A: Single-phase dry-type power transformer: Dry-type transformer never uses insulating liquid (which is…

Q: What is instrument transformer? Also discuss the types of instrument transformer?

A: Instrument transformer For a measurement of AC electrical quantities of the system transformers are…

Q: An 11,000/230-V, 150-kVA, 50-Hz, 1-phase transformer has a core loss of 1.4 kW and full-load Cu loss…

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Q: Explain the origin of negative voltage regulation in a transformer. Derive the equation of no-load…

A: We will answer both subparts. It is asked to explain the origin of negative voltage regulation in a…

Q: 1) What is the need of compensation in power system?

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

Q: (a) A 5 MVA 230/11.5-kV single-phase power transformer has a per-unit resistance of 1.5% and a…

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Q: 1) What happens to the waveform of the magnetizing current of a power transformer as the transformer…

A: Dear student, Since you have posted multiple questions, we will provide the solution only to the…

Q: What is a transformer and explain how does it works

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: The construction of a Linear Variable Differential Transformer (LVDT) is shown in Figure 2.

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Q: b- What is the main differences in the design of Pulse transformer and Isolating transformer. c-…

A: B) Main differences of pulse and isolation transformer They are not the same, although a pulse…

Q: 4. The core loss of the single phase 2200/220-V, 50-Hz transformer is measured using the low-…

A: It is given that:ϕ=cos-10.1ϕ=84.16° voltmeter reading=240 VExciting current=1  AWattmeter reading=24…

Q: 1. From first principles, derive the per-phase equivalent circuit of a three-phase transformer…

A: As it is asked only solve subpart (c) so we are solving only that subpart. It is asked to draw the…

Q: 9 2. Transformer Representations For each of the three phase transformers shown below, (a) connect…

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Q: If the polarity of one transformer is reversed on a delta bank of single-phase transformers that are…

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Q: The Transformer core is laminated in order to: Select one:

A: The solution is provided in the following section:

Q: Question- The net cross-sectional area of a single-phase, 50 Hz transformer is 500 cm? having 400…

A: The specifications of the transformer are given as:

Q: What is the need of compensation in power system? b) Give the schematic diagram showing a shunt…

A: Power System:- The generating, distribution and transmission systems make up the network that is…

Q: A 5-kVA, 4.16kV/120-V, 60-Hz single-phase transformer has the following parameters as referred to…

A: In this question we need to find the efficiency and voltage regulation of the given transformer

Q: The number of secondary turns required is: 1200 turns 120 turns |12 turns 120.5 turns

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Q: 5-Questions : 1- What are the advantages of Transformer Tests?

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Quesion 2. Draw an open-delta transformer bank circuit diagram and identify the requirements of open…

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Q: (5) The saturation in transformer appears: a- At no-load. b- At half-load. c- At full-load. (6) The…

A: 5). The saturation in transformer appears at full load. At full load condition the transformer core…

Q: Q1: During the separation of transformer core losses experiment: 1. Why should always keep the ratio…

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Q: The Generator transformer is Select one: a. One-one transformers b. Step-up transformers c.…

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Q: Draw the representation schemes for: Phase shifting transformer       2. Tap changing transformer

A: It is asked to draw the representation schemes for (1) Phase shifting transformer. (2) Tap changing…