Download JNTUK M-Tech 2020 R19 EEE Advanced Power System Operation and Control Model Question Paper

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[M19 PS 1101]

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I M. Tech I Semester (R19) Regular Examinations

ADVANCED POWER SYSTEM OPERATION AND CONTROL

Electrical & Electronics Engineering Department

MODEL QUESTION PAPER

TIME: 3Hrs. Max. Marks: 75M

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Answer ONE Question from EACH UNIT.

All questions carry equal marks.

UNIT-I

1. a). Explain the gradient approaches hydro-thermal scheduling. (7M)
   b). Discuss the base point & participation factors method of economic dispatch. (8M)

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OR

2. a). Derive the composite generation protection cost function? (7M)
   b). Explain how the fuel scheduling is done by linear programming? (8M)

UNIT-II

1. a). Obtain the solution of an optimal unit commitment problem with dynamic programming method? (8M)
   

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   b). Write the advantages of dynamic programming method over priority list scheme? (7M)

OR

2. a). What are the various constraints in unit commitment problem? Explain them (7M)
   b). Obtain the economic schedule for the two units, the production costs of which are given follows to supply a load of 3MW, in steps of 1MW.
   C1=0.8 P1+25P1; C2=1.2P2+22P2 use dynamic programming method. (8M)

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UNIT-III

1. a). Describe the application of Optimal power flow (7M)
   b). Explain the flow diagram of Security constrained OPF. (8M)

OR

2. a). Explain gradient method for optimal power flow (7M)
   

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   b). Discuss the strategy for solution of Linear Programming optimal power flow problem with the help of flow diagram (8M)

UNIT-IV

1. a). Two generators of rating 100MW and 200MW are operated with a droop characteristic of 6% from no load to full load. Find the load shared by each generator, if a load of 270MW is connected across the parallel combination of those generators? (7M)
   b). Explain briefly about modeling of single area load frequency control with a neat sketch (8M)

OR

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2. a). Explain the static response of two area system for uncontrolled case? (8M)
   b). Find the static frequency drop if the load is suddenly increased by 25MW on a system having the following data:
   Rated capacity is 500MW, operating load is 250MW, inertia constant is 5s, governor regulation R= 2Hz/ pu MW, frequency is 50Hz. Also find the additional generation? (6M)

UNIT-V

1. a). Explain the concept of power pools with an example? (7M)
   

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   b). Explain about the economy inter change evaluation with an example? (8M)

OR

2. a). Discuss about interchange evaluation with unit commitment (7M)
   b). Explain the following: 1) Diversity interchange. ii) Emergency power interchange (8M)

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