Power Systems For n bus power system size of Y bus matrix is (n-2)×(n-2) (n-1)×(n-2) n×n (n-1)×(n-1) (n-2)×(n-2) (n-1)×(n-2) n×n (n-1)×(n-1) ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following grounding is not practically preferred for protection of equipments? reactance grounding resistance grounding All of these isolated grounding reactance grounding resistance grounding All of these isolated grounding ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following configuration power transferability is higher? triangular configuration None of these same in both configuration horizontal configuration triangular configuration None of these same in both configuration horizontal configuration ANSWER DOWNLOAD EXAMIANS APP
Power Systems The capacitance of an overhead transmission line increases with increase in height of conductors above ground both 1 and 2 increase in mutual geometrical mean distance neither 1 nor 2 increase in height of conductors above ground both 1 and 2 increase in mutual geometrical mean distance neither 1 nor 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Condition for zero voltage regulation is tanφ = X/R tanφ = R/X cosφ = R/X cosφ = X/R tanφ = X/R tanφ = R/X cosφ = R/X cosφ = X/R ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulation of the modern EHV lines is designed based on R × I. the lighting voltage. the switch voltage. corona. R × I. the lighting voltage. the switch voltage. corona. ANSWER DOWNLOAD EXAMIANS APP