Answer Posted / luke
Its a capacitor bank .
Capacitor banks are used to compensate for the reactive loads which causes low power factor.In industries value below 0.9 are imposed with penalty.So for inductive loads and Harmonic compensation capacitor banks are connected to improve the Pf.
loads include
Ups
Inverters
Air conditioners
Motors
Arc furnaces etc
Kvar value for compensation can be found by
KW X correction factor
(calculate KW from your MD)
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