MGVCL Exam Paper (30-07-2021 Shift 1)
A new generation of smart meters is known as ____

SMETS2
SMETS3
SMETS1
SMETS4

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MGVCL Exam Paper (30-07-2021 Shift 1)
Insulation Power Factor testing on an oil-filled transformer is not helpful in determining ___

Turns ratio values
Condition of paper insulation (change in watts losses)
Whether the oil test indicates moisture
Movement of the windings (change in capacitance)

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MGVCL Exam Paper (30-07-2021 Shift 1)
In underground cables, the electrostatic stress is ___ at contactor surface and ___ at the sheath.

zero, minimum
zero, zero
minimum, maximum
minimum, maximum

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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|

(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)
Match the following

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

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