标准摘要
[中文适用范围]： 本标准适用于直流链路中具有电能存储装置的电子间接交流变流器系统。本标准涵盖的不间断电源系统（UPS）的主要功能是确保交流电源的连续性。不间断电源系统还可以通过将电源保持在特定特性内来提高电源的质量。 [外文原描述]： Applies to electronic indirect a.c. convertor systems with electrical energy storage means in the d.c. link. Defines a complete uninterruptible power system in terms of its performance and not in terms of individual sub-system functional units.
英文名称Semiconductor convertors. Part 4: Method of specifying the performance and test requirements of uninterruptible power systems