Describe the following two questions.1) Identify two types of transformers that are used in your discipline and briefly describe their function.For example, if you are in mechatronics engineering, what kinds of transformers are used?

What is the primary function of a transformer?a.To transfer electrical energy between circuitsb.To convert mechanical energy into electrical energyc.To amplify electrical signalsd.To convert electrical energy into mechanical energy

Question 2List three functions which a transformer may perform in an electrical circuit. [3 marks]A 10kVA, 50 Hz distribution transformer has 600 turns in the primary and 120 turns in thesecondary. The primary and secondary resistances are r1 = 0.2 Ω and r 2 = 0.02 Ω respectively,and the corresponding leakage reactances are Xl1 = 1.0 Ω, and Xl2 = 0.04 Ω respectively. Thesupply voltage is 1100V.Calculate(a) The equivalent impedance, resistance and reactance, referring all quantities to thehigh voltage (primary) side; [6 marks](b) The secondary terminal voltage for full load having a power factor of 0.7 lagging;Draw the phasor diagram; [7 marks](c) The regulation in (b) [4 marks]2130310310

Which of the following types of transformers is used in distributing electricity to consumers?

1. If the secondary of a transformer has twice as many turns as the primary, is the secondary voltage lower than the primary voltage? 2. What are the essential parts of a transformer? Give the role that each of them plays? 3. What are the essential parts of an alternator? Give the role that each of them plays? 4. Name the sources of losses in a transformer? 5. Name the sources of losses in an alternator? 6. While repairing a transformer, a few turns were removed from the secondary winding. What's going to happen ? 7. An ideal transformer is a transformer with no primary or secondary windings. True or false ? Justify your answer ? 8. We consider an ideal transformer fed at the primary by a sinusoidal alternating voltage. • Its yield is equal to 1? True or false ? Justify your answer • Its transformation ratio is equal to 1? True or false ? Justify your answer • Show, by means of a diagram, how to connect three single-phase transformers in star-delta and star-zigzag? 9. Name one processes from which an electromotive force can arise in a conductor?

Describe the difference between an energy transfer and transformation. In your answer give an example of each to show the difference