The effective primary and secondary resistances of a 500 kVA, 12000/2400 volt 60 cycle transformer are 1.52 and 0.049 ohms, and the corresponding leakage reactances are 6.4 and 0.26 ohms. The no-load core loss is 1700 Watts. Determine the efficiency at rated kVA load and unity pf. a. 98.72% b. 94. 23% c. 97.43% d. 96.22%

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: For an AC transformer, higher is the secondary leakage 1.higher is the secondary induced e.m.f…

A:

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: 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: 3. A 3200/400 single-phase transformer has winding resistance and reactance of 30 and 132…

A: In this question,  We need to determine the equivalent terms in primary side and secondary side.

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

A:

Q: We would like to connect a 6 kVA, 120/240 V transformer as an autotransformer to a 120 V source to…

A: As per the guidelines of Bartleby we supposed to answer first three subpart only for solution 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.