BS EN IEC 62040-1:2019 pdf free.Uninterruptible power systems (UPS). 3.101 uninterruptible power system UPS combination of convertors, switches and energy storage devices (such as batteries), constituting a power system for maintaining continuity of load power in case of input power failure Note 1 to entry: Continuity of load power occurs when voltage and frequency are within rated steady-state and transient...
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