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: Seconday winding of transformer is made-up of material. O insulated CRGO conductor O insulated…

A: Given Secondary winding of transformer is made by using which type of conductor

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: A single phase transformer has turns ratio of 4. The resistance and reactance of the primary winding…

A:

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

A:

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: The flux linking of winding 2 if the current in the winding 1 is -4 A, and the current in winding 2…

A:

Q: Draw the output signal Q of the D-latch given the inputs Clock and D. The initial value of the clock…

A: Given:

Q: A long line with A = D = 0.9 1.5° and B = 150 65° has at the load end a transformer having series…

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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: In a fixed-bias configuration, the voltage level of VGS is equal to O a. Vs O b. none of these O .…

A: In this question,   We need to choose the correct options In a fixed bias, the level of VGS   is…

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

A: secondary voltage = primary voltage×secondary turnsprimary turns. current in load = power delivered…

Q: 1. A 2.4-kVA, 2400/240-V, 50-Hz, the step-down transformer has the following parameters: : RH =…

A: Rated kVA is  kVA.Induced EMF ratio is  V.The high voltage to low voltage winding turns ratio is…

Q: The transformer has 600 primary turns and 2500 secondary turns and its primary voltage of 240V, then…

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Q: What are the different integrated circuits? Describe their characteristics, advantages and…

A: When a set of electronic components mount on a small piece of semiconductor to perform some…

Q: Discuss the relationship between the operating frequency and the transformer size? Through your…

A: Considering the EMF equation of the transformer, E=4.44×f×Bm×N×A Here, E is emf, f is frequency, Bm…

Q: A 400/230V, 50Hz, single phase  transformer has 200 turns on high  voltage side. Find turns ratio,…

A: A transformer is an electrical machine which is used in AC circuit to either step up or step down…

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: Consider the circuit in the figure below: a) What are the benefites of using the transformer in this…

A: Cut in voltage of silicon diode is 0.7V and cut in voltage of germanium diode is 0.3V. During…

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: With base MVA of 150 and base voltage of 33. If the reactance of the transformer is 0.23 pu. The…

A: Base MVA S= 150MVA Base voltage VB = 33kV Reactance per unit = 0.23  Reactance?

Q: Question 2 A 15KVA 2300/230 V transformer has the following parameters referred to the low voltage…

A: As per Bartleby policy we can answer only one ques at a time. I am solving first ques for you please…

Q: What is the turns ratio of the transformer needed to match a 1 k source resistance to a 160 load?…

A: We need to find out the turn ratio for given load resistance

Q: B)-Bescribe various losses in transformer. Explain how each loss varies with load current, supply…

A: Type of transformer  Single phase transformer  Three phase transformer  Star Star connection  Star…

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: 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 with a 10/1 turns ratio has a maximum flux density of 60,000 lines/in2, when the…

A: EMF E = 4.44×frequency×Flux in the core×per phase turns. But flux = flux density× area of the core.…

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

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

Q: Maximum efficiency of a single phase transformer occurs at 80 percent of full load. What is the…

A: Given that maximum efficiency of single phase transformer occurs at 80 percent of full load.…

Q: Quiz2: We wish to connect a 6 kVA, 120/240 V transformer as an autotransformer to a 120 V source to…

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

A: Transformer : It is an electrical device used to transform the voltage from one level to another.…

Q: A 10 KVA, 400 / 200 V single phase transformer with resistance 4 percent and reactance 6 percent…

A: 10 kVA, 400/200 V single phase transformer- Resistance = 4%, Reactance = 6%, Current = 50 A, To…

Q: The ratings of a three-winding transformer are: Primary: Y connected, 66kV, 20MVA Secondary: Y…

A: Given data: System base=20 MVA a) The expression for the per unit value of reactance Xst is given…

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.