Networks Europe Issue 13 January/February 2018 - Page 43

UNINTERRUPTIBLE POWER SUPPLIES By Alan Luscombe, Director, Uninterruptible Power Supplies www.upspower.co.uk 43 Some UPSs need just simple communications capability to warn of an impending failure while more complex systems benefit from network-based solutions The UPS’s primary role within a data centre or ICT room is to provide instant battery backup if the mains power fails. Sometimes, this backup resource is designed to support the load for extended periods. More usually, though, its purpose is to buy time for the load to shut down gracefully, or for a generator, if available, to start up and come ƖR6V&ǒFRU2W7B6V6FR6RGRbv&r6vFG&vvW"VFW"7G&FVw262FR2f3FW'v6Rb&6WBW6VVG2FR&GFW'WFגFR77FVЦ7&62W&VǒFVVB&FW"F&WfVFVBF22Rf&ǒ'fW266V&'WBFW&R&RFW v2v6BǒFR7&F6B'WB6FW 6W'f6W27V62'VFrvVVB77FV2B&VFPF&rFW&֖26&VVfBg&f6&ƗGbFRU0B6֖r27Wǒ7FGW2FvWFW"vF&ƗGF6G&FRU2bV6W76'vWfW"FW&^( 2@fW7Fr6V6F26&ƗG&WBFP&VƗ7F2VVG2bƖ6F6R6V6F0BFR6W7BWfV( G'VRBG'V^( f&F6&P'FVBg&fBg&VR6F7G2FB66V6FPU27FGW2B&2FFW"WVVBFR6P6FR2FRU2vFw22ƖWV旂BFW"2 WGv&W&Fr77FVf&G27W'B6gGv&RF@6FWFV7BFW6R&2B&V7B'FFr&FW&ǐ77FV6WFFvWFF6ǒfr6w26RG6fBg&VRU27FGW26v2frWW2bU2fBg&VR7FGW26v0&R67F6FVB6V6F27G&FVw6&PVVFVBW6rFR%2#3"6V7Ff&RU72F2w2&RFWFVBf&FF&PG&6֗GFVB6VFrFFvVW&FVB'U26VbFv7F07FfFW2WW2bwVRfVW2FB6&PV7W&VBBG&6֗GFVB6VFS( fW'FW"WGWBfFvRg&WVV77W'&VBdBp( '72fFvRg&WVV77W'&VBdBp( &GFW'fFvR6&vRF66&vR7W'&VBB&Vp&GFW'FP( 7FF7F72&Vv&Fr2fW&W2BU2W&FFR%2#3"6W&6V7Fw2FRU2F&PF&VB&VFR2&VFR6WFW"66FVW6ǒBf"WFFW2&&7F6RvWfW"ǒ7&F6&2&R6FVW6ǒF&VBvPW&F7FGW2FF2&WVW7FVB2VVFVB'77FVЦF֖7G&F'2FRW7Bf&F&fR'FV@F2vg&U2FWVG2FRFfGVU07WƖW"BFR6gGv&RFW&fFRFFRFR6W&FF7G&VFR%2#3"&F626Vf7GW&W"ЦFWVFVB2WW&V7FF&Bf"U2%2#3 &F6W7G2wwrWGv&6WW&VvR6