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This product specification states the requirements for Uninterruptible Power Supply (UPS) units when installed to provide power for Network Rail's operational infrastructure.
NOTE: This guide specification covers the requirements for static UPS to provide continuous ac power to critical loads and/or to improve the quality of ac power to critical loads. The covered range of UPS units is between 10kVA and 750kVA 3-phase systems only. Single phase systems are...
NOTE: This guide specification covers the requirements for static UPS to provide continuous ac power to critical loads and/or to improve the quality of ac power to critical loads. The specification is intended to cover three-phase systems starting with the smallest unit at 20 kVA. The...
This guide discusses various battery systems so that the user can make informed decisions on selection, installation design, installation, maintenance, and testing of stationary standby batteries used in uninterruptible power supply (UPS) systems. This guide describes how the...
All internal and external TPWS UPS sub-system equipment required for the provision of power to the TPWS trackside sub-system.
This Practice and the purchaser's PIP ELSAP04-D 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...
This Practice covers requirements for design, fabrication, and inspection and testing of all parts of a continuous duty, solid-state, on-line, ferroresonant UPS system. These include rectifier/charger, inverter, static switch, manual bypass switches, transformers, panelboards, circuit breakers in...
NOTE: This guide specification covers the requirements for static UPS to provide continuous ac power to critical loads and/or to improve the quality of ac power to critical loads.
PURPOSE AND USE OF PROCESS INDUSTRY PRACTICES In an effort to minimize the cost of process industry facilities, this Practice has been prepared from the technical requirements in the existing standards of major industrial users, contractors, or standards organizations. By harmonizing these...
PURPOSE AND USE OF PROCESS INDUSTRY PRACTICES In an effort to minimize the cost of process industry facilities, this Practice has been prepared from the technical requirements in the existing standards of major industrial users, contractors, or standards organizations. By harmonizing these...
All UPS equipment with a rating of 10 kVA or above, owned or operated by Network Rail shall be maintained in accordance with this standard Purpose This document describes the periodic maintenance requirements for a typical in-service UPS installation, operating within its designed parameters. The...
This document provides the methodology to be used by vendors and third party independent laboratories in the formation of telecommunications energy efficiency ratios (TEER) for various typical operating modes of Uninterruptible Power Supply/System (UPS) systems. The...
This standard describes methods for qualifying static battery chargers, inverters, and uninterruptible power supply (UPS) systems for Class 1E installations outside containment in nuclear power generating stations, and is not intended for qualification under harsh...
This specification covers the detail requirements for a 60-hertz (Hz) static uninterruptible power supply (UPS) for non-nuclear Naval shipboard use. Only one classification of power supply is covered by this specification.
This module is applicable to all UPS equipment with a rating of 10 kVA or above that is owned or operated by Network Rail. Purpose This module of NR/L2/ELP/27238 specifies the periodic maintenance requirements for a typical in-service UPS installation, operating within its designed parameters.
