ÖNORM EN 45510-2-2

This standard gives guidance on writng the technical specification for the procurement of stat i C a .C. uninterruptible power supplies (UPSS) foruse in electricifygenerating stations (powerstations). This Guide for procurement is not applicable to equipmenl for use in the nuclear reactor plant area of nuclear power stations. Other possible applcations of such equipment have not been considered in fhe preparation of this Guide. This Guide Covers UPSs consisting of rectifiers, batteries, inverters, transfer switches and bypass switches. This equipment usually forms part of either a centralised or unit UPS system for duties such as computer, control and instrumentation, etc., supplies. For additional, or specific, requirements for batteries and battery chargers refer to the relevant guides in this series. The equipment covered by this Guide is defined by byis function rather than design type. Therefore, the guidance to the specification is stated in performance terms rather than being specifed by a detailed descrptiono f the equipment to be supplied. This Guide indicates to potential purchesers how their specjfiction shouid be prepared so that: I - the equlpment lype and capacity intedaces correctly with other elements of the systems; I - predicted pefurmanceis achievee I - ancillary equipment is properi sked; I - reliability, avaiIabijity and safe fy requhments are achieved; I - proper consideration is given to the evaluation process and the quality measures tu be applied, This Guide does not determine the lype of spec/f/cat/on (8.g. detailed, performance, functional) or I the extent of supply for any given contract which is normally decided on the basis of the purchaser8 project stretegy. ft does not Cover: - any commercial, contractual or legal issues which are normally in separate parls of an enquiry; - any allocation of responsibiilies which are defermined by the contract. This Guide do (...abbreviated)