B B7932 Pages: 2

Reg No.: Name:

APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
SEVENTH SEMESTER B.TECH DEGREE EXAMINATION, DECEMBER 2018
Course Code: EE403
Course Name: DISTRIBUTED GENERATION AND SMART GRIDS

Max. Marks: 100 Duration: 3 Hours
PARTA
Answer all questions, each carries 5 marks. Marks
1 Compare smart grid with conventional utility grid. (5)
2 Explain how the real and reactive powers are controlled in a power electronic (5)

inverter based energy source.

3 What is a smart meter, used in smart grid? List the features. (5)
4 List any five key features of smart energy efficient end use devices. (5)
5 Write short note on the design considerations of Sensor and Actuator Networks (5)
(SANET).
6 Describe the characteristics of AMI? (5)
7 Write short notes on Distortion Index (DIN). (5)
8 How Cloud computing is useful in a smart grid? (5)
PART B

Answer any two full questions, each carries 10 marks.
9 Draw and explain the typical configuration of an AC microgrid. (10)
10 With the help of block diagrams, explain the classification and working of (10)

micro turbines.

11 ஐ Explain the components of an Ultra capacitor. Mention its advantages and (5)
disadvantages.
b) Explain the working flywheel energy storage (FES) system. 5
PART C

Answer any two full questions, each carries 10 marks.
12 Draw and explain the National Institute of Standards and Technology (NIST) 10
Smart grid reference architecture. Explain its various domains.
13 a) What do you mean by islanding of microgrid? List the different islanding 5

scenarios in microgrid.

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