Two 300-VA parallel-connected transformers can supply a maximum load of a. 150 VA b. 300 VA C. 450 VA d. 600 VA

Q: Figure 3 shows a transformers consists of soft-iron core, coils X and Y. Soft iron core aс, 240 V…

A: Transformer is a static device that transfers power from one circuit to another by using the…

Q: A single-phase, 2200/200 V transformer takes 1A at the H.V side on no load at a power factor of…

A: Given data –  VHV = 2200 V, VLV = 200 V, IHV = 1 A , cosø = 0.85 Total power loss is equal to iron…

Q: 50. Two transformers are connected open-A and deliver a load of 86.7 kva at a power factor of 0.8.…

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Q: The equivalent impedance of the transformers A and B are 1.5  + j2.25 and 1.725 + j3.75 ohms,…

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Q: A 3-phase,50HZ, 150 KVA, 2200/220 V transformer supplies a 3- phase load drawing 120 KVA and 90 KW…

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

Q: circuit breaker

A: Circuit Breaker  A circuit breaker is basically an electrical switch that opens when there is an…

Q: A three-phase transformer has 420 turns on the primary and 36 turns on the secondary winding. The…

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Q: A rural electric line supplies power to two industries by means of step-down transformers. Both…

A: Transformer is a static device which transfer electric energy from one circuit to another circuit by…

Q: Two transformers with equal turns have impedances of, Unit A (0.5 +j3) ohms and Unit B (0.6 +j10…

A: This question belongs to electrical machine . It is based on the concept of load sharing by…

Q: A)-A 3-phase 400KVA, 11000/416 transformer is delta-connected on the primary and star connected on…

A: Given data: 3ϕ, 400 kVA,  11000/416 V Power factor PF=0.8 Iron loss=990 wattTurn ratio is given…

Q: Q2/ A single phase, 2200/200 V transformer takes 1 A at the H.V side on no load at a power factor of…

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Q: (b) Two winding transformers have 1000 turns on the primary and 500 turns on the secondary. The…

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Q: Two 1-phase transformers A and B rated at 250 kVA each are operated in parallel on both sides.…

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Q: . High voltage side short circuit data for a 20 kVA, 2300/230 transformer are: P = 250 W, I = 8.7 A,…

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Q: Transformer 1 is in parallel with transformer 2. Determine the maximum kVA load the bank can carry…

A: Given: Transformer rating T-1150kVA, 1-ϕ6600/240VZ1=.02425∠62.9°       T-2300kVA,…

Q: State three (3) necessary conditions to be satisfied when paralleling two power transformers.

A: Conditions for satisfactory operation of trasfotransin parallel: 1. Polarities of the transformers…

Q: Problem #4) Given the following circuit that contains two identical ideal transformers, determine…

A: Given: Is=20∠0° and the circuit diagram is:

Q: The full load copper losses are exactly twice the iron losses in a 50-kVA transformer, and that the…

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Q: The following information is given to two transformers connected in parallel: Transformer 1: 75 Kva…

A: In this question,  We need to load sharing by the transformer 1 if. Total sharing of load is 125KVA…

Q: The primary windings of three single phase transformers are wye connected and the secondary windings…

A: Write the given values. VPPrimary=2300 VVLSeconsary=230 VILPrimary=30 A

Q: Given three single phase step down distribution transformers with rated capacity each TR=100KVA and…

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Q: A load of 200 kW at 0.85 power factor is to be shared by two transformers 1 and 2 having the same…

A: In this question we will find load kVA supplied by each transformer......

Q: In small transformers, the total iron losses may vary from % of the rated output. O 0.5 to 1 O 0.2…

A: They can either be graphite or precious metal brushes which have electrical motor connections. To…

Q: Two single-phase transformers whose phase electrical equivalent circuits are given below are…

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Q: Three single phase ideal transformers, each of rating 5kVA, 200V/400V, 50 Hz are available. The LV…

A: Delta connection: If three- single-phase winding is connected in such a way that one’s tale winding…

Q: 5. A substation takes 1,200 kW, 3-phase power, @ 66kV, and this power is stepped down to 4,800V by…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: . Two single-phase transformers with equal ratings and turns ratio are operated in parallel to…

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Q: Wright a discussion about Parallel operation of two 3-phase transformers (200-250 words)

A: In this question , we will write necessary conditions for parallel operation of three phase…

Q: 20. Two single-phase transformers each rated 120 kVA are connected open delta supplying a 3-phase…

A: 1HP = 746 watts. From given output,  efficiency calculate line current in terms of load voltage and…

Q: For performing dielectric-strength tests on insulating materials, two transformers are connected in…

A: Dielectric strength test is one of tje important tests to be performed on transformer. In this test…

Q: Two single phase transformer whose specs given below are connected in parallel. T1= 25KVA, Zeq=0.05…

A: consider the given question;

Q: Three 25-kva transformers are connected A-A. (a) What total rated kilovolt. amperes can the bank…

A: For three single phase transformer to be connected in delta delta connection the or any 3 phase…

Q: Problem #5: A 25 kVA, 2400/240 V single-phase transformer draws a current of 5 A at 25% pf during…

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Q: (b) A three phase transformers is an electrical devices used for energy transfer by electromagnetic…

A: A 3-phase transformer transform power from one three phase circuit to another three phase circuit…

Q: Answer by true or false True False Power transformers are designed to have maximum efficiency nearly…

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

Q: 1) The condition for parallel operation of two 1-Ø transformers is that they should have the same A)…

A: Conditions for parallel operation of transformer: 1. The polarities of the transformers must be the…

Q: 5.21 A 10 kVA, 400 V/200 V single-phase transformer with 10% impedance, drawsa steady short circuit…

A: we need to find out steady short circuit current.

Q: what are the advantages and Disadvantages Connecting transformers 3 Phase between (delta to Star)

A: Star to delta connection. In this connection, the start connection is at the primary side and the…

Q: 2- Determine the number of turns per-phase in each winding of a 3-phase transformer with a ratio of…

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

A: Per Unit System Per unit, the system is a simple approach to solve large generation, transmission,…

Q: Two transformers are to be operated in parallel such that they share load in proportion to their kVA…

A: Given that two transformers are connected in parallel. Given values are -…

Q: a. Write a table consists of well- known power capacity of distribution transformers

A: As per the rules we can answer only one question, please post the remaining questions as the…

Q: Figure below shows a power system. The rating of generators and transformers are:G1:25MVA, 6.6KV,…

A: base value 30 KVA  and 6.6 KV=0.03 MVAXpu(new)= Xpu(old) ×(MVAnew)(MVAold)×(KVoldKvnew)2

Q: short-circuit test was performed on a 10-kVA 2400/240-V transformer with the llowing data recorded:…

A: In this question we will find resistance and reactance for primary side from short circuit testing…

Q: Two 2200/110 V, transformers are operated in parallel to share a load of 250 kVA at 0.85 power…

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Q: An autotransformer have two separate windings, and are known as double-wound transformers. Select…

A: Due to guidelines i can answer single question at a time if want another solution too you can repost…

Q: The core of a three phase, 50 Hz, 11000/550 V delta/star, 300 kVA, core-type transformer operates…

A: In this question,  We need to determine the number of turns, emf per turn and phasor current in the…

Q: At 1170 rpm, a three-phase IM generates 4 kilowatt. It is a 6 pole, 60 Hz transformer. Friction and…

A: The solution is given below

Q: 9. Electrical transformer is shown on the figure bellow. Primary winding N. tums Secondary winding…

A: This question belongs to electrical machine . It is based on the relation between voltage and number…

Q: 2. Two single-phase transformers A and B are operating in parallel and supplying a common load of…

A: The question is from Transformer.  The solution is given below .

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.