MGVCL Exam Paper (30-07-2021 Shift 1)
What is the largest thermal power plant in India?

Sasan Ultra Mega Power Plant
Vindhyachal Thermal Power Station
Mundra Thermal Power Station
Talcher Super Thermal Power Station

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MGVCL Exam Paper (30-07-2021 Shift 1)
The current flowing to a balanced delta connected load through line 'a' is 15 A when the conductor of line 'b' is open. With the current in line 'a' as reference, compute the symmetrical components of the line currents. Assume the phase sequence of 'abc'.

Ia₀ = 0 AIa₁ = (-7.5 - j13) AIa₂ = (-7.5 - j4.33) A
Ia₀ = 0 AIa₁ = (7.5 + j4.33) AIa₂ = (7.5 - j 4.33) A
Ia₀ = 0 AIa₁ = (7.5 - j13) AIa₂ = (7.5 + j13) A
Ia₀ = 0 AIa₁ = (7.5 + j4.33) AIa₂ = (-7.5 - j4.33) A

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MGVCL Exam Paper (30-07-2021 Shift 1)
The necessary equation to be solved during the load flow analysis using Fast-Decoupled methid is given below:
where B' and B'' are formed using the imaginary part of the bus admittance matrix Ybus, n is the total number of buses in the system, m is the number of voltage regulated buses. The size of matrix B' is
∆P/|Vi|= -B' ∆δ
∆Q/|Vi| = -B'' ∆|Vi|

(n-1) x (n-1)
(m-1) x (m-1)
(n-m-1) x (n-m-1)
(n-m) x (n-m)

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MGVCL Exam Paper (30-07-2021 Shift 1)
Match the following

A = (ii), B = (i), C = (iii)
A = (iii), B = (ii), C = (i)
A = (iii), B = (i), C = (ii)
A = (ii), B = (iii), C = (i)

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