Describe the construction details of single phase transformer. Last Answer : TRANSFORMER - INTRODUCTION A TRANSFORMER is a device that transfers electrical energy from one circuit to another by electromagnetic induction (transformer action). The electrical energy is ... secondary winding. The primary is wound in layers directly on a rectangular cardboard form. ...
Write down the EMF equation of a transformer. Last Answer : E1 = 4.44*N1* f* Bm*A and E2 = 4.44*N2*f*Bm*A ...
How do you define voltage regulation? Last Answer : A voltage regulator is a circuit that is connected between the power source and a load, that provides a constant voltage despite variations in input voltage or output load....
Explain the tests on a single phase transformer and develop an equivalent from the above tests. Last Answer : 1.Open Circuit Test on Transformer: The connection diagram for open circuit test on transformer is shown in the figure. A voltmeter, wattmeter, and an ammeter are connected in ... determine copper loss in transformer at full load and parameters of approximate equivalent circuit of transformer ...
With a neat circuit diagram Explain the construction and principle of operation of DC Generator Last Answer : DC Generator: A dc generator is an electrical machine which converts mechanical energy into direct current electricity. This energy conversion is based on the principle of production of dynamically ... current reversal occurs. And therefore, we get unidirectional current at the terminals. ...
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