A 20-kVA 8000/480-V distribution transformer has the following resistances and reactances: R, = 32N R =0.05 2 X, = 45N X =0.06 Q %3D R. = 250 kN XM = 30 k2 The excitation branch impedances are given referred to the high-voltage side of the transformer. (a) Find the equivalent circuit of this transformer referred to the high-voltage side. (b) Find the per-unit equivalent circuit of this transformer. (c) Assume that this transformer is supplying rated load at 480 V and 0.8 PF lagging. What is this transformer’s input voltage? What is its voltage regulation?

Q: Derive the equation of induced voltage in secondary winding of transformer (load side).

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Q: What is the material commonly used for construction of transformer core? Draw the B- H curve for…

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Q: he de-rating of a heavily loaded transformer with harmonic currents is known as... O Q-factor O…

A: This method, used  to estimate by how much a standard transformer should be de-rated so that the…

Q: If the open circuit voltage is 225V and the full load voltage is 200V, then the percentage…

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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…

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Q: 4. Define voltage regulation of a transformer? 5. Full load copper loss in a transformer is 1600W.…

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

Q: L1 R1 R1 L2 N1:N2 12 Lm Rc V1 V2

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Q: Ideal transformer with primary of 200 turns and secondary of 100 turns. The primary is connected to…

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Q: (a) find the eddy current frequency of 50Hz (b) find the hysteresis loss in watt at a frequency of…

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Q: 3. A 3200/400 single-phase transformer has winding resistance and reactance of 30 and 132…

A: In this question,  We need to determine the equivalent terms in primary side and secondary side.

Q: The idle operating current of the three-phase transformer connected to Yy0 (Y-Y) with a power of…

A: Given transformer with rating 6300 KVA and 15/0.4 KV The no load current I0=2.91No load active power…

Q: The magnetization current of transformer depends on: Select one:

A: The magnetization currrent of transformer depends on

Q: The parameters of the transformer equivalent circuit are given bellow, Primary winding turns =1150.…

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Q: A 50 KVA, 4,400/220 V transformer has r1 =3.54 ohms r2=0.009 ohms, x1 =5.2 ohms and x2 =0.15 ohn…

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Q: 1. A transformer transforms. (a) frequency (b) voltage (c) current (d) voltage and current. 2. Which…

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Q: A 3000V/4400V, single-phase transformer takes a no-load current of 0.5A and the iron loss is 200W.…

A: We will solve this question by using the no-loaad conditions of the transformer.

Q: Figure Q1 shows a transformer core that has the primary winding (Np) of 500 second winding (N,) of…

A: Introduction: A transformer is a device that steps up or steps down the level of voltage without…

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

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Q: Detailed conclusions we can come up with after conducting open circuit test on single phase…

A: According to the question we have to, Detailed conclusions we can come up with after conducting an…

Q: If the open circuit voltage is 225V and the full load voltage is 214V, then the percentage…

A: Percentage regulation is given by R    R = (VOC - VFL ) / VFL    VOC = Open circuit voltage    VFL =…

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Q: THE PERCENTAGE RESISTANCE AND REACTANCE OFA1-F TRANSFORMER ON LOAD ARE 3% AND 6 %…

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Q: Find the elements of the equivalent circuit relative to the secondary of a single-phase transformer.…

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Q: Given a 20 kVA, 50 Hz, 2000/200 V single-phase transformer. The parameters of the transformer…

A: Given data 20kVA, 50Hz, 2000/200V transformer R1 = 0.5, R2 = 0.005, X1 = 0.5, X2 = 0.005, Rc = 500…

Q: Draw an equivalent circuit for a real transformer. Briefly discuss the reason that each element…

A: Given: To draw an equivalent circuit for a real transformer and its elements is described as:

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 EMF equation of transformer referring to primary turns is Select one: O a. 4.440 N.B O b.4.440…

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Q: Solv

A: a)Transformers work on the principle of electromagnetic induction in accordance with Faraday’s law.…

Q: The purpose of Scott connection of transformer is to convert...

A: Need to explain purpose of Scott connection of transformer is to convert

Q: Which of the following statements is true about an ideal transformer? O It changes the magnitude of…

A: Ideal Transformer is an electrical device which is used in electrical system for the ome main…

Q: What are the advantages of Delta connection in high power transformer?

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Q: 1. DERIVE AMPERE'S LAW BXH = - WD FROM FARADAY'S LAW AXE =WB

A: The given question requires derivation of Ampere's law from Faraday's law. Answer in short…

Q: An ideal transformer is one which has No losses and magnetic leakage Core of stainless steel and…

A: Correct option is No losses and magnetic leakage an ideal transformer haven't any losses and…

Q: Questions: 1. Why a short circuit test is done on the transformer with LV winding shorted and supply…

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Q: Write the voltage as a function of the transformer turns ratio for the following circuits respecting…

A: This question belongs to electrical machine . It is based on the concept of relation between…

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.