国产精品久久久在线观看_亚洲免费观看视频网站_国产盗摄视频一区二区三区_久久久国产一级 - 日本在线观看一区

歡迎來到寰標網! 客服QQ:772084082 加入會員
當前位置: 首頁 > 標準詳情頁

NF EN 50091-1-2:1999被替代

Uninterruptible Power Systems (ups) - Part 1-2: General And Safety Requirements For Ups Used In Restricted Access Locations

出版:Association Francaise de Normalisation

獲取原文 如何獲取原文?問客服 獲取原文,即可享受本標準狀態變更提醒服務!

專家解讀視頻

基本信息
標準編號: NF EN 50091-1-2:1999
發布時間:1999/10/1 0:00:00
標準類別:Standard
出版單位:Association Francaise de Normalisation
標準頁數:56
標準簡介

Applicable to electronic indirect a.c. convertor systems with an electrical energy storage device in the d.c. link. Main function of the UPS covered is to ensure continuity of an alternative power source. Uninterruptible power system may also serve to improve the quality of the power source by keeping it within specified characteristics. Applies to UPS for use on distribution systems up to 1 000 V a.c. which are movable, stationary, fixed and for building in; intended to be installed in restricted access locations and details requirements for safety of service personnel. To ensure the safety of installed UPS both as a single UPS unit or as a system of interconnected UPS units, subject to installing, operating and maintaining the UPS in the manner prescribed by the manufacturer.

標準備注

Indice de Classement: C42-810-1-2 (11/2003)

替代本標準的新標準

NF EN 62040-1-2:2004

等同采用的國際標準

SS EN 50091-1-2:1998 - Identical

I.S. EN 50091-1-2:2003 - Identical

DIN EN 50091-1-2 (1999-05) - Identical

NEN EN 50091-1-2:1998 - Identical

BS EN 50091-1-2:1999 - Identical

SN EN 50091-1-2:1998 - Identical