K-Factor Defined - Xitron Tech

AN102 Manufacturers of Engineering and Production Test EquipmentAPPLICATION NOTEAn ISO 9001:2000 registered company9770-A Carroll Centre Road, San Diego, CA 92126 Tel: (858) 530-8099 Fax (858) of 2K-Factor DefinedIn today's industrial workplace, the proliferation of solid state devices (lighting ballasts, motor drives andcontrols, communications equipment, and other DC-powered loads) has created a major problem forspecifying engineers, contractors and building owners. The non-linear nature of their switched-mode powersupplies generate harmonic currents that cause transformers and system neutrals to overheat and is K-Factor ? K-Factor is a weighting of the harmonic load currents according to their effects on transformer heating, asderived from ANSI/IEEE A K-Factor of indicates a linear load (no harmonics).

AN102 Manufacturers of Engineering and Production Test Equipment APPLICATION NOTE An ISO 9001:2000 registered company 9770-A Carroll Centre Road, San Diego, CA 92126 • Tel: (858) 530-8099 • Fax (858) 530-8077 sales@xitrontech.com • support@xitrontech.com 2 of 2

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