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Basic Electrical Power Fundamentals

Basic Electrical Power Fundamentals LOAD REFERENCE Kilowatts Kilovolt amps Power Factor PF Motors KW KVA USE NEC 430-148 KW < KVA . and 430-150 to find current for given HP Indancescant lighting USE actual wattage KW = KVA Fluorescent lighting USE 50VA per 4 foot KW < KVA .95 F40 T12 Tube Metal Discharge Lamps Mercury, Metal Halide, HPS KW < KVA.

6/14/02 Chapter 2: Basic Electrical Power Fundamentals 4/6 KVA is larger than KW because loads are inductive such as motors, discharge lighting, reactors and more current is required to keep the magnetic field energized than is -turned into heat (KW).

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