Standard
IEC 60146-4:1986
[Superseded]Semiconductor convertors. Part 4: Method of specifying the performance and test requirements of uninterruptible power systems
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.
Published: 30/09/1986
Pages: 55
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[Superseded]
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