MGVCL Exam Paper (30-07-2021 Shift 1)
Which of the following are the advantages of Aerial Bunched Cables (ABC)?

Elimination of theft of energy
All of these
Reduced height of supports
Higher safety and reliability

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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.

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

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

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