Question-3 A 100 kVA, 3300/200 volt, 50 Hz single phase transformer has 40 turns on the secondary, calculate: a. the values of primary and secondary currents. b. the number of primary turns. с. the maximит value of the flиx.

Q: Iron and copper losses in a 20 KVA, 2000/200 volt 1-phase transformer are 400 W and 500 W watts…

A:

Q: (b) A single-phase transformer, with primary turns of 500, is delivering full-load of 80 kW at a…

A: Disclaimer:  Since you have asked multipart questions, we will solve the first three subpart for…

Q: A 1 kVA ideal transformer has 240 turns on the primary and 80 turns on the secondary winding. The…

A: Dear,as per company guidelines we can answer only 3 sub-parts at a time, kindly post other sub-parts…

Q: A transformer has a turns ratio of 8:1. If the primary voltage is 120Vac, then what is the secondary…

A: The transformer is given below. This is basic problem of turns ratio on transformer.

Q: If the current in the secondary of a transformer is decreased from full-load to half- load the core…

A: * The core losses ( or iron losses) does not depends on current. * The core losses depends only on…

Q: When a 100-kVA single-phase transformer was tested in this way, the following data were obtained: On…

A: In this question we need to find efficiency of transformer for given loading conditions.

Q: A 1.5 KVA 50 Hz single-phase transformer has turns ratio 40/50. The primary winding is connected to…

A: Given data, A single phase transformer has S=1.5 kVAf=50 HzN1N2=4050V1=230 V

Q: A 50 kVa single phase transformer has an initial cost of P120,000 and a salvage value of P35,000…

A: Here, we have given a 50 kVA single phase transformer: having the initial cost of P120,000. the…

Q: Consider that three single-phase transformers are connected as Delta in the primary and Wye in the…

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Q: A 450 kVA, single-phase transformer has a primary winding resistance of 0.6 2 and a secondary…

A: It is given that: KVA=450 kvaR1=0.6 ΩR2=0.004 ΩPi=2600 WV1=2.8 kVV2=500 Vcosϕ=0.82 lagging

Q: A 150-kVA transformer has a core loss of 8 kW and a copper loss of 22 kW at full load. a. What is…

A: In this question, we need to determine the kVA rating for maximum efficiency, percent of the rated…

Q: 2. A Three phase Delta/ Star connected transformer is supplied by 34500 Volt line voltage (phase to…

A: The solution can be achieved as follows.

Q: Problem 2 A 20 kVA, 480/220, 60 Hz single phase two winding transformer has a generator connected to…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: 7- A 5KVA, 220/110V, 50HZ 1-phase transformer has Reg1 and Xeg1 of 0.9680 and 1.9630 respectively.…

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Q: The transformer will operate at its minimum efficiency when the variable loss equals the fixed loss.…

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Q: Homework 01: A 400-kVA transformer has a primary winding resistance of 12 and a secondary winding…

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Q: secondary, the maximum flux in the core is 0.02 Wb, if the full-load copper loss is 0.5 kW on the…

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

Q: A 30 KVA, 24000/220 V, Y A connected transformer bank is operated at full load with an efficiency of…

A: Given S =30 KVA  V1 =24000∠0° VV2 =220∠-5.77° V Efficiency η =96% Voltage regulation =11% Primary…

Q: A single-phase transformer is rated at 30 kVA. The transformer has full-load copper losses of 700 W…

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Q: A 200-kVA transformer with impedance of 5% and the power factor of the load is 85%. The primary…

A: This problem comes under electrical machine . It is based on the concept of voltage regulation in…

Q: A 150 kVA, 7500 V / 450 V, 52 Hz transformer have copper loss on full load, and it valued is 1555W.…

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Q: During short-circuit test of a transformer, the copper loss of a transformer is negligible.

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Q: Given a 10 KVA, 1200/240 V, 50 Hz single-phase transformer with an impedance Z1,p = 10+j20 Ohms…

A: In this question we will find turn ratio and primary impedance referred to secondary..

Q: A single phase transformer of (k) transformation ratio is to be used as a step-up autotransformer.…

A: Given data : Transformation ratio = K KVA capacity is increased by 50%.

Q: has a net core area . What is the flux de

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

Q: Day loading duty-cycle profile of a 100 kVA, 2400/240 V, 50 Hz transformer is given below. The SC…

A: By definition, the all-day efficiency of a transformer is given by: ηall-day=Output kWh in 24…

Q: Iron loss and copper loss in a 25 kVA, 200/200 volt single phase transformer are 400 watts and 500…

A:

Q: 2. A 50-kVA distribution transformer has full-load efficiency at 1.0 power factor of 96%, the copper…

A: Given data, Rating of transformer S =50 KVA Efficiency η=96% Copper loss Pcu=Iron loss Pi Power…

Q: In a 1-phase transformer of 20 KVA, 2000/200 volts, the iron and copper losses are 400 W and 500 W…

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Q: A single phase transformer of (k) transformation ratio is to be used as a step-up autotransformer.…

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: A 72VA, 60Hz single-phase transformer has the equivalent circuit shown. (a) What is the no-load…

A: Given Data:A single-phase transformer of,Here,The apparent power The frequency To Find:(a) The…

Q: A 15 kVA, 600/120 V, 0.95 efficient conventional transformer is from a 720 V source to a 600 V load…

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

Q: A Wye-Delta transformer is connected to a 66 kV input three-phase transmission line. Each…

A: According to company policy , I am solving first 3 sub part According to the above statement, we can…

Distribution System

The final stage in the delivery of the electric power is the electric power distribution system. From the transmission system to the individual customers it carries electricity. The distribution system is connected with the transmission system and is used to lower the voltage of the transmission to medium voltage in the range of 2 kV to 35 kV with the help of transformers. This medium voltage to the distribution transformers located near the customer's premises is carried by the primary distribution system lines. These distribution transformers in turn lower the voltage to utilization voltage used in lightings, household appliances, industrial equipments etc. Through secondary distribution lines often several customers are supplied from one transformer. It is through service drops, the commercial and residential customers are connected to the secondary distribution system lines. Customers who demand a larger amount of power can be connected directly to the primary distribution system level or the sub-transmission level.