16EE6001 POWER SYSTEM SIMULATION LABORATORY MCQ'S

Which among the following formulae is used for addition of an admittance element into the bus?

• Yii new = Yii old - y
• Yii new = Yii old + y
• Yii new = Yii old - Yij old
• Yii new = Yii old + Yij old

With respect to Graph theory in Power System Analysis for n number of nodes the rank of graph is:

• n+2
• n
• n-1
• None of the mentioned are correct

The dimension of the bus incidence matrix is:

• e x (n- I)
• e x n
• e x (n-+I)
• e x e

Which among the following methods are highly accurate?

• Gauss Seidel method
• Newton Raphson method
• Fast decoupled low flow method
• All the mentioned are correct

What type of convergence takes place in NR method?

• Linear convergence
• Geometric convergence
• Quadratic convergence
• All the mentioned are correct

Which types of equations are solved using Newton Raphson method?

• Non linear differential equations
• Linear differential equations
• Non linear algebraic equations
• All the mentioned are correct

Which among the following quantities are specified at the generator bus?

• P and Q
• P and |V|
• Q and |V|
• P and δ

Which among the following methods are generally used for the calculation of symmetrical faults?

• Norton theorem
• Thevnin’s theorem
• Kirchhoff’s laws
• Both Norton theorem & Thevnin’s theorem

 In which portion of the transmission system is the occurrence of the fault more common?

• Alternators
• Transformers
• Transmission lines
• Underground cables

What percentage of fault occurring in the power system is LLG fault?

• 0.2
• 0.3
• 0.05
• 0.1