BANNARI AMMAN INSTITUTE OF TECHNOLOGY SATHYAMANGALAM

Department of EEE & EIE

Class S8 EEE A & B, S8 EIE Subject Code 11N016 Subject RENEWABLE ENERGY SOURCES Prepared By Dr. A. Jagadeesan, P.Karuppusamy, S. Sudhahar

Time: 75min Lesson. No Unit 3 -5/5

1.

Content List: generator control load control performance measures efficiency

2.

Skills Addressed: Reading, Questioning, Drawing Mind map, Summarizing, Discussion, Drawing diagrams, Expressing orally and in writing.

3. Objectives: To understand the concept of generator control and load control of generator.

4. Lesson Links: Define controller. What are the types of converter used to control voltage? What is microprocessor?

5. Alpha Breathing : (2 Mins) The three steps for alpha breathing are

Breathe in Breathe out Hold (Repeat the three steps for 8 times)

6. Evocation : (5 mins ) By showing videos and pictures Annexure I

7. Introduction:( 20-25 mins) Attached as power point presentation in Annexure II

8. Brain Activation: (2 mins) Any one of the following activities like

Right brain activities Solving puzzles Brain GYM Optical Illusions Perpetual calendar recalling

9. Survey and Reading by students: (15-18 mins)

Rao.S and Parulekar, Energy Technology Non Conventional, Renewable and Conventional, KhannaPublishers, New Delhi, 2005

Page No : 252 - 266

10.

Discussion: ( 9 mins)

The students will be asked to discuss the relevant topic among their team/other team/Faculty. The students those who have not taken part will be noted and kindle them to do.

11. Mind Map: (5-7 mins)

Annexure III 12. Summary: (5 mins)

Annexure IV 13. Gazing/Rote memory: (2 mins)

A long and fixed look at the Mind map by the students before doing the presentation.

14. Assessment: Any one of the following activities like

Quiz Presentation by the students Match the following Short answers Objective questions / MCQ - Annexure V Group discussion

15. Learning outcomes By learning this unit, students will be able to understand the concept of generator control and load control of

generator.

Annexure I - Evocation

Annexure III Mind Map

Annexure IV Summary

Rectifier has current regulating loop.

Load commutation.

Losses are low.

Industrial drives, e.g., pumps, fans, blowers, mills, hoists, handling systems elevators and escalators, people movers, light railways and streetcars (trams), electric road vehicles, aircraft flight control surface actuation

Annexure V Multiple Choice Questions:

1. The control ........................ synchro has three phase winding both on its stator and rotor. (a) differential (b) transformer (c) receiver (d) transmitter

2. What is the step angle of a permanent-magnet motor having 8 stator poles and 4 rotor poles ? (a) 60 (b) 45 (c) 30 (d) 15

3. The torque exerted by the rotor magnetic field of a PM stepping motor with unexcited stator is called ..................torque. (a)reluctance (b)detent (c)holding (d) either (b) or (c)