GETCO Exam Paper (22-07-2015)
The Z matrix of 2 port network is given by [0.9 0.2 : 0.2 0.6]. The element Y22 of the corresponding Y matrix of the same network is given by
three types of electric breaking: Regenerative breaking( leads to economic and energy consevation) pugging (more efficient method of breaking) rheostatic breaking
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