Q1 ▪ A small industrial plant has the following loads: ▪ Twenty (20), 200HP motors (only half of them are running at any given time), K = 0.78. ▪ Ten (10), 50 HP motors (8 motors are running at the same time), K = 0.68. ▪ 500 kW of heating and process loads. ▪ Two (2), 50 kVA lighting transformers, PF = 0.92, n = 95% ▪ 100 HP of small (mostly fractional HP, only 85% are running at any given time) motors, K = 0.72 TASK Decide the proper supply voltage from local utility

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Q1
▪ A small industrial plant has the following loads:
▪ Twenty (20), 200HP motors (only half of them are running at any given time),
K = 0.78.
▪ Ten (10), 50 HP motors (8 motors are running at the same time), K = 0.68.
▪
500 kW of heating and process loads.
▪
Two (2), 50 kVA lighting transformers, PF = 0.92, n = 95%
100 HP of small (mostly fractional HP, only 85% are running at any given
time) motors, K = 0.72
TASK
Decide the proper supply voltage from local utility
Transcribed Image Text:Q1 ▪ A small industrial plant has the following loads: ▪ Twenty (20), 200HP motors (only half of them are running at any given time), K = 0.78. ▪ Ten (10), 50 HP motors (8 motors are running at the same time), K = 0.68. ▪ 500 kW of heating and process loads. ▪ Two (2), 50 kVA lighting transformers, PF = 0.92, n = 95% 100 HP of small (mostly fractional HP, only 85% are running at any given time) motors, K = 0.72 TASK Decide the proper supply voltage from local utility
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