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PIP ELSAP04 2015 Edition, October 1, 2015 Uninterruptible Power Supply (UPS) System Specification
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Description / Abstract: This Practice and the purchaser’s PIP ELSAP04D Data Sheet describe the minimum requirements for design, fabrication, inspection, testing, shipment, and documentation for a complete on-line, UPS system of either a pulse width modulated (PWM) or ferroresonant type.
A PWM-type UPS system includes a rectifier/charger, inverter, static bypass switch, manual bypass switches, transformers, and accessories. A ferroresonant-type UPS system includes a rectifier/charger, inverter, constant voltage or ferroresonant transformer, static bypass switch, manual bypass switches, transformers, and accessories
Purpose
This Practice provides the requirements for a complete on-line, continuous duty, uninterruptible power supply (UPS) system.
A PWM-type UPS system includes a rectifier/charger, inverter, static bypass switch, manual bypass switches, transformers, and accessories. A ferroresonant-type UPS system includes a rectifier/charger, inverter, constant voltage or ferroresonant transformer, static bypass switch, manual bypass switches, transformers, and accessories
Purpose
This Practice provides the requirements for a complete on-line, continuous duty, uninterruptible power supply (UPS) system.