DIN EN 50091-1-2 : 1999 COR 1 2000被替代
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
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.
BS EN 50091-1-2 : 1999 - Identical
NEN EN 50091-1-2 : 98 C1 1999 - Identical
I.S. EN 50091-1-2:2003 - Identical
SN EN 50091-1-2 : 1998 - Identical
NF EN 50091-1-2 : 1999 - Identical
EN 50091-1-2 : 98 COR 1 99 - Identical
SN EN 50091-1-2 : 1998 - Identical
VDE 0558-512 : 2003 - Corresponds
I.S. EN 50091-1-2:2003 - Identical
BS EN 50091-1-2 : 1999 - Identical
NEN EN 50091-1-2 : 98 C1 1999 - Identical
