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|

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

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MGVCL Exam Paper (30-07-2021 Shift 1)
Case 1: The PV connected to the DC bus was injecting 20 kW of power constituting of 1 kW of loss
Case 2: The same PV is connected to the AC bus constituting to 1.5 kW loss. Find out the change in efficiency from Case 1 to Case 2?

5% increase
2.5% increase
5% decrease
2.5% decrease

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MGVCL Exam Paper (30-07-2021 Shift 1)
આપેલ વિકલ્પો પૈકી દ્રવ્યવાચક સંજ્ઞાનું વાકય કયું છે?

આજકાલ ઠંડી હવા પ્રસરવા લાગી છે.
ગુરુ એવો હોવો જોઈએ જેની વાણીમાં મીઠાસ હોય.
રણવીરને બોલીવુડનો બાહુબલી કહી શકાય.
મહારાષ્ટ્રમાં અનેક શહેરો છે.

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