Q/ A 2200/200 V, single-phase transformer taken 1A at the H.V side on no-load at a p.f. of 0.385 lagging .The iron losses is 847 watt. If a load of 50A at power o.8 lagging is taken from the secondary of the transformer. The actual primary current is 5.4 A. The primary power factor is 0.74 lagging Find : The iron losses is ........watt * If a load of 50A at power o.8 lagging is taken from the secondary of the transformer. The actual primary current is...... A * The primary power factor is 0.74 lagging *

Q: 1. If a 0.6 accuracy class current transformer has a phase angle of + 10 at 100% rated current, the…

A: Ans.(1). Value of 'β=10'

Q: Question- For a single phase 440/110 V transformer having input on primary side at no load is 100 W.…

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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 3-phase 100OKVA, 11000/416 transformer is delta-connected on the primary and star connected on the…

A: Given that  3-phsee , 11000V/416V , delta connected Xmer   S3ϕ=1000 KVAr1=1.45 ohmr2=0.0006…

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: 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: Identify, which component of no load current supplies hysteresis loss, in a practical transformer?…

A: In the question choose the correct option?    which component of no load current supplies hysteresis…

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

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

A:

Q: At the end of a one-phase supply line with a series impedance of 1+j2 ohms, a 50 kVA, 2400/240 volt,…

A:

Q: A transformer is needed that will cause resista nce of 252 to appear a 240 Vyms. an actual load 100R…

A: a)Given

Q: The resistance and reactance of the primary winding of a 440/110 V single phase transformer are 4.4…

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Q: current flowing in the of a transformer creates an alternating which establishes an alternating flux…

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Q: öialg äbäi A 220/1100 V transformer takes no- load current of 5A and absorbs 200 W. What is no load…

A: In this question , single phase transformer is given...No load current is given..No load losses…

Q: current supplies hysteresis loss, in a practical transformer? a. None of these b. IM c. IC d. I0

A:

Q: Core losses of a single phase 400/240 V, 20 kVA, 50 Hz transformer is 700 W. Maximum efficiency of…

A: Given, Core losses of a single phase 400/240 V, 20 kVA, 50 Hz transformer is 700 W. (Pi=0.7 kW)…

Q: 1) Calculate the maximum RMS current in p.u. that guarantees the equality of losses between the…

A: Given : KVA rating is 400 KVA PCP=6% Find the RMS value of current in PU  For 12 pulse converter…

Q: 6. 150 kVA, 2800-240 V, 50 Hz transformer. Reg.Ls = 0.0082N , Xeq.Ls = 0.02230 Step down transformer…

A: Note: We are authorized to answer three subparts at a time since you have not mentioned which part…

Q: A 150 kVA, 2500/250 V, 50 Hz, single phase transformer has a no-load current of 0.75 A and a core…

A:

Q: SKVA, 50Hz, single phase transioer, the primary voltage of the transformer is 110v. Roy and X is…

A: Given data, Voltage Vp=110V Resistance Req=0.26Ω Reactance=j0.4Ω V.R.=15% Power factor P.F.=0.707…

Q: Single phase half wave AC-AC converter has a resistance of R = 50 ohms. Input voltage is given as…

A: Given in the question: Load resistance: RL = 50 Ohms Input voltage, V = 230V Firing angle, α=600…

Q: 1- A 50 Hz, 1-ph transformer has a turn ratio of 6. The resistances are 0.92 and 0.032, and the…

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Q: DC 200 V was applied to the primary of a transformer with a conversion ratio of 1/5. Obtained from…

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Q: In a single-phase transformer induced electromotive force per turn on secondary winding is Select…

A: Let E2 be the induced electro magnetic force in secondary winding and N2  be the number of turns in…

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

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Q: What is the relationship between primary induced emf( E1) and applied voltage (V1) of a Transformer?…

A: The relationship between primary induced emf( E1) and applied voltage (V1)

Q: A power company supplies power to a small town that is 10 km away from the nearest substation. The…

A: The above question is based on the power system transmission network.To transfer impedance from one…

Q: Q2/3-phase.E.W.C. R using center tap transformer supplies highly inductive load, find: 1. The…

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Q: A non-ideal 1-phase transformer has turns ratio 5:1 with 120Vac primary.  The primary impedance is 1…

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Q: A single phase 220/6 Volt, 50 Hz transfc has a rated primary current = 0.5 A. its maximum efficiency…

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Q: Justify if in a Yy transformer (without neutral wire on the supply side) there are homopolar…

A: Answer: Here it is mentioned that in a three Yy transformer there are homopolar components of…

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.