Taking Charge

Alan Luscombe of Kohler Uninterruptible Power (KUP) compares the attributes of valve regulated lead acid (VRLA) and lithium-ion (Li-ion) battery teachnologies. Data centre UPSs provide battery back-up to sensitive ICT...

UPS topologies

Modern, static UPS systems are classified as either on-line or off-line, with some off-line variants known as line-interactive types. Nearly all data centres and other application with critical loads will...

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