Two loads connected in parallel take a total of 2.4 kW with a lag fp of 0.8, from a line at 120 V rms and 60 Hz. of the loads absorbs 1.5kW with lagged fp of 0.707. Deter- mine: a) the fp of the second charge, b) the element in parallel required to correct the fp of the two charges and convert it to behind 0.9.
Two loads connected in parallel take a total of 2.4 kW with a lag fp of 0.8, from a line at 120 V rms and 60 Hz. of the loads absorbs 1.5kW with lagged fp of 0.707. Deter- mine: a) the fp of the second charge, b) the element in parallel required to correct the fp of the two charges and convert it to behind 0.9.
Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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Two loads connected in parallel take a total of 2.4 kW with a lag fp of 0.8, from a line at 120 V rms and 60 Hz. of the loads absorbs 1.5kW with lagged fp of 0.707. Deter- mine: a) the fp of the second charge, b) the element in parallel required to correct the fp of the two charges and convert it to behind 0.9.
Expert Solution
Step 1
Total active power = active power taken by load 1 +active power taken by load 2.
Total Reactive power from source = reactive of load 1 +reactive power to load 2.
To improve power factor we have to place a capacitor at load terminals.
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