200 KVA, single phase two-winding transformer rated 4160/230 V, 60 Hz has primary and second impedances of 0.09 + j 0.9 ohms and 0.02 + j 0.2 ohms respectively. The full-load copper loss is measured to be 5000 W during operations. The core loss is 650 W when a voltage of 2200 V, 50 Hz is applied to the transformer and 210 W at 1200 V, 25 Hz. Calculate: a. The core loss at normal operation and the maximum and full-load efficiency both at 0.9 power factor

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'

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

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Q: A normal transformer has a nominal 60 kVA. The nominal primary and secondary voltages are 600 V and…

A: Given data : Transformer rating P=60 kVA Primary voltage V1=600 V Secondary voltage V2=120 V

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Q: 4. The load cycle of a three-phase 100 kVA, 11/0.4 kV, 50HZ transformer for one day is given in the…

A: Lp

Q: A short transmission line connects a step-up transformer on the source side with a series impedance…

A: It is given that: VL=17 kVVph=173 kVN1N2=114N3N4=181ZL=0.463+j0.0772 ΩX1=j0.5 ΩR1=50 Ω

Q: In a load test on transformer the no load voltage is 240V. The terminal voltage drop is 225V on…

A:

Q: find the voltage on primary side in pu.

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Q: of the core is 30 cm² and maximum flux density is 1.3 Wb/m² , then the number of turns in primary…

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Q: In medium transformers, the total iron losses may vary from. rated output. % of the 0.4 to 1 O 0.2…

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Q: Ql-phase step down transformer 1250 KVA, 11000/2200 V, 50 Hz . The resistance /phase and leakage…

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Q: How do i calculate secondary current in transformer analysis

A: Given that  calculate secondary current in transformer analysis

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A: In this question we need to find a copper loss at 50% and 75% loading

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A: Load  SL = 900 KVA   0.8 pf lagging transformer  A  rating is  600 KVA transformer  B  rating is…

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

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Q: List and describe the types of losses that occur in a transformer

A: Transformer is a static device . Hence there will not be friction or windage losses . The only…

Q: A normal transformer has a nominal 60 kVA. The nominal primary and secondary voltages are 600 V and…

A: Given data : Transformer rating P=60 kVA Primary voltage V1=600 V Secondary voltage V2=120 V

Q: A three-phase two winding transformer is rated 1200MVA, 24/345kV 50Hz. It has a leakage reactance of…

A: PU Kva = Actual KVA / Base KVA PU Voltage = Actual Voltage/ Base voltage  In star connection,  N1/N2…

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A:

Q: The losses found in a transformer

A: There are two types of losses that occur in the transformer. 1. Core loss 2. Copper loss Apart from…

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)The voltage per winding of 220V/12V, 60 Hz single phase core transformer is 1V. If the maximum…

A: The solution can be achieved as follows.

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Q: A short transmission line connects a step-up transformer on the source side with a series impedance…

A: Short Transmission Line: A short transmission line is one with an effective length of less than 80…

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Q: In small transformers, the total copper loss may vary from the rated output. % of O 0.2 to 0.6 O 0.5…

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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.