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Reactance

GATE Electrical Engineering · Power Systems - Power Flow · 2001-2024

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2024 Q40

A 3-phase, 11 kV, 10 MVA synchronous generator is connected to an inductive load of power factor (√3/2) via a lossless line with a per-phase inductive reactance of 5 Ω. The per-pha...

hard
2024 Q41

For the three-bus lossless power network shown in the figure, the voltage magnitudes at all the buses are equal to 1 per unit (pu), and the differences of the voltage phase angles...

medium
2019 Q21

The Ybus matrix of a two-bus power system having two identical parallel lines connected between them in pu is given as Ybus = [-j8 j20] [j20 -j8] The magnitude of the series reacta...

medium
2018 Q6

Consider a lossy transmission line with V₁ and V₂ as the sending and receiving end voltages, respectively. Z and X are the series impedance and reactance of the line, respectively....

mediumanswer key
2018 Q10

A 3-bus power system is shown in the figure below, where the diagonal elements of Y-bus matrix are: $Y_{11} = -j12$ pu, $Y_{22} = -j15$ pu and $Y_{33} = -j7$ pu. The per unit value...

mediumanswer key
2018 Q51

Consider an overhead transmission line with 3-phase, 50 Hz balanced system with conductors located at the vertices of an equilateral triangle of length Dab = Dbc = Dca = 1m as show...

mediumanswer key
2001 PYQ

X d , X d ' and X d " are steady stated-axis synchronous reactance, transient d-axis reactance and sub-transient d-axis reactance of a synchronous machine respectively. Which of th...

easyanswer key
2001 PYQ

A $$75$$ MVA, $$10$$ kV synchronous generator has X d $$= 0.4$$ p.u. The X d value (in p.u.) is a base of $$100$$ MVA, $$11$$ kV is

easyanswer key