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Basic Engineering Circuit Analysis 11th Edition by David Irwin ,Robert Nelms
النسخة 11الرقم المعياري الدولي: 978-1118539293Basic Engineering Circuit Analysis 11th Edition by David Irwin ,Robert Nelms
النسخة 11الرقم المعياري الدولي: 978-1118539293 تمرين 7
A balanced three-phase source serves the following loads:
Load 1: 20 kVA at 0.8 pf lagging
Load 2: 10 kVA at 0.7 pf leading
Load 3: 10 kW at unity pf
Load 4: 16 kVA at 0.6 pf lagging
The line voltage at the load is 208 V rms at 60 Hz, and the line impedance is 0.02 + j 0.04 . Find the line voltage and power factor at the source.
Load 1: 20 kVA at 0.8 pf lagging
Load 2: 10 kVA at 0.7 pf leading
Load 3: 10 kW at unity pf
Load 4: 16 kVA at 0.6 pf lagging
The line voltage at the load is 208 V rms at 60 Hz, and the line impedance is 0.02 + j 0.04 . Find the line voltage and power factor at the source.
التوضيح
موثّق
موثّق
Consider the expression for
.
Subst...
Basic Engineering Circuit Analysis 11th Edition by David Irwin ,Robert Nelms
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