A small manufacturing plant has the following connected loads: Load 1 (L1): lighting/outlet/appliances 4,500 W at 0.85 pf LAG Load 2 (L2): compressor motors/pumps 37,300 W at 0.75 pf LAG Load 3 (L3): heaters 15,000 W at 0.95 pf LAG Vsource 440 VAC (rms) 60 Hz L1 L2 L3 Capacitor Bank for power factor improvement
A small manufacturing plant has the following connected loads: Load 1 (L1): lighting/outlet/appliances 4,500 W at 0.85 pf LAG Load 2 (L2): compressor motors/pumps 37,300 W at 0.75 pf LAG Load 3 (L3): heaters 15,000 W at 0.95 pf LAG Vsource 440 VAC (rms) 60 Hz L1 L2 L3 Capacitor Bank for power factor improvement
Chapter4: Symbols
Section: Chapter Questions
Problem 7SQ: The symbol shown is a(n) a. iron core transformer. b. auto transformer. c. current transformer. d....
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Question
Calculate the RMS value of the load current (in amperes) at load L2 (compressor/motor pumps), and calculate the RMS value of the total load current (in amperes) of the plant. What is the lagging power factor of the total load of the plant?
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