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Basic Engineering Circuit Analysis 11th Edition by David Irwin ,Robert Nelms
Edition 11ISBN: 978-1118539293Basic Engineering Circuit Analysis 11th Edition by David Irwin ,Robert Nelms
Edition 11ISBN: 978-1118539293 Exercise 115
A balanced three-phase source supplies power to three loads. The loads are
Load 1: 24 kVA at 0.6 pf lagging
Load 2: 10 kW at 0.75 pf lagging
Load 3: unknown
If the line voltage at the load is 208 V rms, the magnitude of the total complex power is 35.52 kVA, and the combined power factor at the load is 0.88 lagging, find the unknown load.
Load 1: 24 kVA at 0.6 pf lagging
Load 2: 10 kW at 0.75 pf lagging
Load 3: unknown
If the line voltage at the load is 208 V rms, the magnitude of the total complex power is 35.52 kVA, and the combined power factor at the load is 0.88 lagging, find the unknown load.
Explanation
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Verified
Consider the expression for
.
Subst...
Basic Engineering Circuit Analysis 11th Edition by David Irwin ,Robert Nelms
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