Distribution Automation PQP

Code No: D109110701

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

M.Tech I Semester Regular Examinations March 2010

DISTRIBUTION AUTOMATION

     (ELECTRICAL POWER SYSTEMS)

Time: 3hours                                                                                                 Max.Marks:60

Answer any five questions

All questions carry equal marks

- – -

1. Explain in detail about the DAS hardware and software.

2. Explain the distribution Automation function in detail.

3. Explain the following characteristics of communication systems used in DA.

i) Communication Reliability

ii) Data Rate Requirements

iii) Two-Way Capability.

iv) Ability to communicate during outages and faults.

4. What are the different types of communications systems used in DA? Explain

them in brief.

5. Explain different categories of Distribution Automation benefits?

6. What are the guide lines followed in the formation of estimating equations in

getting technical benefits by using DA?

7. Explain different types of approaches used in comparing the revenue requirements

of alternate plans in economic evaluation methods in DA.

8. Explain short term analysis and Break even analysis in economic evaluation of

DA?

Code No: D109110701

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

M.Tech I Semester Supplementary Examinations September 2010

DISTRIBUTION AUTOMATION

(Electrical Power Systems)

Time: 3hours                                                                                                 Max. Marks: 60

Answer any five questions

All questions carry equal marks

1.a) State the advantages of introducing Distribution Automation.

b) Distinguish centralized and decentralized control of DA.

2. Explain Distribution Automation capabilities and draw a flow chart for fault

identification and service restoration.

3. Explain in detail about the characteristics/requirements for the communication systems

used in DA?

4. Explain Distribution line carrier communication system used in DA with the help of

diagram.

5. Explain potential benefit categories with suitable example.

6. What are the guide lines to be followed in formulation of estimating equations?

7. Explain the procedure for development and evaluation of alternate plans in economic

evaluation methods in DA.

8. Explain short term analysis and Break even analysis in economic evaluation of DA?

OR Code No: OR-22/EPE
JAWAHARLAL NEHRU TECNOLOGICAL UNIVERSITY, HYDERABAD
M.Tech II Semester Supplementary Examinations, March 2009.
DISTRIBUTION AUTOMATION (Electrical Power Engineering)
Time:3hours
Max.Marks:60
Answer any Five questions All questions carry equal marks – - –
1.a) Explain centralized and decentralized control in distribution automation. b) Write short note on DA hardware. 2.a) Explain the capabilities of distribution automation b) Write short notes on: i) Information management ii) Load management
3. Explain the characteristics of a communication system for distribution automation.
4. Explain different communication systems used in distribution automation
5. Explain the following with respect to DA benefit categories.
a) Capital differed savings b) Function benefits c) Loss reduction benefit d) Customer related savings
6. Discuss the impact of automation on the following: a) Operating practices b) System configuration c) System capital equipment
7. Explain the economic comparison of alternative plans
8. Explain major steps in utility economic evaluation of distribution automation. ****

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