An 11,000/230-V, 150-kVA, 50-Hz, 1-phase transformer has a core loss of 1.4 kW and full-load Culoss of 1.6 kW. Determine (a) the kVA load for maximum efficiency and the minmum efficiency (b)the efficiency at half full-load at 0.8 power factor lagging

Q: A 100 kVA, 50 Hz, 440/11000 V, single phase transformer has an efficiency of 98,5% when supplying…

A: The objective of the question is to find the core losses and copper losses of a single phase…

Q: A 440/110 V single phase transformer when operated at no load has 6 A No current takes at 0.25…

A: solution: Given data; single phase transformer: 440/110 V, no load current Io=6 A, cosϕo=0.25,…

Q: Referring to Figure 1 below, answer the 2 15 1 05 0 05 -15 10 questions below. 2 15 1 05 0 15 10 12…

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Q: QS A 20KUA , 200/Soo usit single phax step-uptransformer Ras: primary resistanue 3.0.02 23 secondany…

A: The data for the question are: 20kVA, 200/500V,R1=0.02Ω,R2=0.04Ω,Ro=1000Ω,Xo=750Ω The magnetizing…

Q: 10. A 4-stage Johnson's counter, and its content is initially 1001. The output sequence after three…

A: The 4-stage Johnson's counter is a 4-bit shift register with the input data as the complement of the…

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

A: Transformer is the static device it work on the principle of faraday law of mutual inductance. It…

Q: Explain the operation of a single phase transformer at no-load. Draw the phasor diagram and…

A: Transformer is a static device which transfers power from one circuit to another circuit without…

Q: Consider a single phase 2-winding 150 kVA, 2400/240 V, 60 Hz transformer with Reg = 0.00425 N, Xeq =…

A: In this question,  Find the efficiency of the transformer If it's operated at rated current and…

Q: 6. A single-phase, 225-kVA, 460/120-V transformer has 6% impedance and 96% efficiency. Find its…

A: In this question we need to find series R and X of the given transformer

Q: A 3000/200V ,50hz. , single phase transformer has a cross sectional area of 150 cm2 for the core. If…

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Q: An 11,000/230-V, 150-kVA, 50-Hz, 1-phase transformer has a core loss of 1.4 kW and full-load Cu loss…

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Q: A 2400/240 V, 200 kVA, single phase transformer has a core loss of 1.8 kW at rated voltage. Its…

A: A 2400/240 V, 200 kVA Single phase transformer- Core loss Pe=1.8 kW, Equivalent resistance Reqv=1.1%…

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: Transformation ratio in a single phase transformer is given by .. a. E, /E2 b. N, /N2 c. E, /E, С.…

A: Transformer ratio is an important ratio used in various calculations. It is the ratio of…

Q: A 400/200 volts transformer has pu impedance of 0.05. The HV side voltage required to circulate full…

A: Per unit impedance Z=0.05 pu, 400/200 volts transformer- To Find- The value of the HV side voltage…

Q: How to generate 480V three phase 400Hz ac from 230V three phase 60Hz ac source? (Please specify the…

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Q: A 600 kVA transformer has a primary winding resistance of 0.62 and a secondary winding resistance of…

A: We need to find a efficiency of transformer at full load with power factor 0.8 and on half loaded…

Q: A single phase transformer takes 10 A on no load at p.f. of 0.2 lagging. The turns ratio is 4: 1…

A: We have a single phase transformer having, No-load current (I) = 10 A Power factor (Cos ϕ0) = 0.2…

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: An 11,000/230-V, 150-kVA, 50-Hz, 1-phase transformer has a core loss of 1.4 kW and full-load Cu loss…

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Q: The efficiency of a 200 kVA 1100/230 V transformer is a maximum of 98% at 50% of the rated load.…

A: The transformer is used in power distribution. It can increase or decrease the power as per…

Q: 1. The RMS value of induced emf in the primary N1 winding is E1 =; E2 = 2. In ideal transformer on…

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Q: We have a transformer designed to operate at 60 Hz. The voltage ratings are 4800 V rms and 240 V rms…

A: Given: A transformer is designed to operate at a frequency: f1=60 Hz New frequency is f2=120 Hz…

Q: a) Define what the term "permeability" means. Explain why this is an important parameter in…

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

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

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Q: Q:A 50 Hz, single phase transformer has a tums ratio of 6.The resistances are 0.9 2 and 0.03 Q and…

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Q: A 3-phase transformer, ratio 33/6.6-kV, A/Y, 1-MVA has a primary resistance of 8.5 ohms per phase…

A: 3 phase,E1=33kv,E2=6.6kv,Rating of transformer=1MVA,Primary resistance=8.5ohms,Secondary…

Q: A single phase transformer operates at 50 Hz, 200 V rms power supply. Find the number of turns in…

A: This question belongs to electrical machine . It is related to single phase transformer . It is…

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.