STUPIDSID
Solve any one question.Q1(a,b) Q2(a,b)
1(a)
Draw and explain the loading capability curve of a synchronous generator.
5 M
1(b)
Explain the concept of steady state,
transient, dynamic stability?
transient, dynamic stability?
5 M
2(a)
Enlist the reasons for reactive power control.
5 M
2(b)
Explain TCSC in details with different operating modes.
5 M
Solve any one question.Q3(a,b) Q4
3(a)
Explain the equal area criterion of transient stability studies for sudden rise in mechanical input.
8 M
3(b)
Explain the use of synchronous machine for reactive power generation.
2 M
4(a)
Explain the working of any Two of FACTS devices
a) SVC
b) STATCOM
c) UPFC
a) SVC
b) STATCOM
c) UPFC
10 M
Solve any one question.Q5(a,b) Q5(a,b)
5(a)
Explain the necessity of automatic generation control. Also explain the concept of control error in case of single area and two area case.
6 M
5(b)
Explain with block diagram and frequency response, proportional plus intergral load frequency control of single area case for exact model.
10 M
6(a)
With neat block diagram and response, explain two area load frequency control.
10 M
6(b)
Explain the droop characteristic of speed governor system.
6 M
Solve any one question.Q7(a,b) Q8(a,b)
7(a)
Using priority list method, prepared unit commitment table for three thermal generating units, for load values such as 400MW,
600MW and 900MW. The Incremental fuel cost of three thermal units and other details are as follows;
IC1=(0.0035*P1+6) * 103k-cal/MW-hr
IC2=(0.0025*P2+6.5) * 103k-cal/MW-hr
IC3=(0.0045*P3+7) * 103k-cal/MW-hr The minimum and maximum generation limits are
50MW≤P1≤500MW
40MW≤P2≤400MW
20MW≤P3≤ 300MW Fuel costs are in Rs/ k-cal CP1=1.2Rs/k-cal
CP2=1Rs/k-cal
CP3=0.95 Rs/k-cal
600MW and 900MW. The Incremental fuel cost of three thermal units and other details are as follows;
IC1=(0.0035*P1+6) * 103k-cal/MW-hr
IC2=(0.0025*P2+6.5) * 103k-cal/MW-hr
IC3=(0.0045*P3+7) * 103k-cal/MW-hr The minimum and maximum generation limits are
50MW≤P1≤500MW
40MW≤P2≤400MW
20MW≤P3≤ 300MW Fuel costs are in Rs/ k-cal CP1=1.2Rs/k-cal
CP2=1Rs/k-cal
CP3=0.95 Rs/k-cal
6 M
7(b)
Explain with mathematical formulation, Lagrange multiplier method of economic load dispatch with transmission loss and no constraint of generation limit, while meeting load.
12 M
8(a)
Explain the recursive function of dynamic programming of Unit Commitment.
8 M
8(b)
Write short note on three following concepts:
i) Cost curve thermal unit.
ii) Equality and inequality constraints applied to economic load dispatch task.
iii) Constraints on unit commitment task
iv) Necessity of unit commitment and economic load dispacth.
i) Cost curve thermal unit.
ii) Equality and inequality constraints applied to economic load dispatch task.
iii) Constraints on unit commitment task
iv) Necessity of unit commitment and economic load dispacth.
10 M
Solve any one question.Q9(a,b,c) Q10(a,b)
9(a)
Explain the advantages of interchange of power among interconnected area. Also explain the operational complexities.
4 M
9(b)
What is the Power Pool and Energy Banking? Explain the benefits of each.
6 M
9(c)
With Mathematical formula explain THREE reliability indices.
i) SAIFI
ii) SAIDI
iii) CAIDI
iv) LOLP
v) LOLE
i) SAIFI
ii) SAIDI
iii) CAIDI
iv) LOLP
v) LOLE
6 M
10(a)
Explain the situations when the Emergency power interchange is allowed between interconnected areas.
6 M
10(b)
What is reliability of power system? Explain following models required to evaluate the reliability indices of genration system.
i) Generator Model
ii) Load Model
iii) Risk Model
i) Generator Model
ii) Load Model
iii) Risk Model
10 M
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