PDVSA ENGINEERING DESIGN MANUAL VOLUME 4–I ENGINEERING SPECIFICATION PDVSA N° TITULO PULSE–WIDTH–MODULATED (PWM) UNINTERRUPTIBLE POWER SUPPLY (UPS) SYSTEM N–275 0 MAY.02 REV. FECHA APPD. APPROVED Youhad Kerbaje E PDVSA, 1983 1 DESCRIPCION DATE MAY.02 L.T. PAG. REV. APPD. Raúl Rivero Y.K. R.R. APPD. APPD. DATE MAY.02 ESPECIALIST ENGINEERING SPECIFICACTION PDVSA PULSE–WIDTH–MODULATED (PWM) UNINTERRUPTIBLE POWER (UPS) SYSTEMS PDVSA N–275 REVISION FECHA 0 MAY.02 Página 1 .Menú Principal 1 Indice manual Indice volumen Indice norma INTRODUCTION 1.1 Purpose The purpose of this engineering specification is to provide designers and vendors with the minimum technical requirements for the purchase, design, material construction, inspection, testing, and shipping of Pulse–Width–Modulated (PWM) Uninterruptible Power Supply (UPS) Systems for use in industrial installations owned by PDVSA. Since PDVSA has decided to adopt the PIP (Process Industry Practices) documents: ELSAP04: “Pulse–Width–Modulated (PWM) Uninterruptible Power Supply (UPS) Systems” and ELSAP04D: “Data Sheet for Pulse–Width–Modulated (PWM) Uninterruptible Power Supply (UPS) Systems” as an integral part of the Engineering Design Manual (MID).
