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  1. fpietryga

    How does reactive power effect system voltage

    Consider a simple series circuit consisting of an AC voltage source, resistor, inductor and a load (either purely resistive or purely capacitive). Select the component values such that in Case 1 (resistive load), the current lags the voltage (lagging power factor), and for Case 2 (capacitive...
  2. fpietryga

    Calculate required KVA for autotransformer in open delta

    Divide your load kva (400) by 8.6 and this defines the kva requirement of each single phase transformer. The 385A load current must flow through the 120VAC winding of the single phase transformer being used as the autotransformer. Thus, 385 x 120 = 46,200 VA for each transformer.

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