Download PTU B.Tech 2021 Jan EEE 7th Sem 71930 Power System Analysis Question Paper

Roll No.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              

Total No. of Pages : 04

Total No. of Questions: 18

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B.Tech. (EE / Electrical & Electronics Engg.) (2012 Onwards)

B.Tech. (Electronics & Electrical Engg.) (2012 to 2017) (Sem.7)

POWER SYSTEM ANALYSIS

Subject Code: BTEE-801

M.Code: 71930

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Time: 3 Hrs. Max. Marks : 60

INSTRUCTIONS TO CANDIDATES :

1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt ANY FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students have to attempt ANY TWO questions.

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SECTION-A

Write briefly :

1. What are the advantages of Z_BUS building algorithm?
2. What is necessity for power flow studies?
3. What change will occur in the admittance matrix when a line is out of service?

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4. What change will occur in the admittance matrix when the turn ratio of a transformer varies?
5. Explain the significance of the phase shift operator 'a' in the analysis of three-phase circuits.
6. Outline the advantages of working with per unit quantities.
7. What is the meaning of kVA rating on a circuit breaker?
8. What is the purpose of single line diagram?

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9. Who invented symmetrical components?
10. What is transient stability limit?

SECTION-B

11. Compute the bus admittance matrix for the power system shown in Fig. 1.
    

    This download link is referred from the post: PTU B.Tech 2021 January Previous Question Papers || PTU Punjab Technical University

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