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Power Protection
Critical Power Systems Protection
Power Protection is the only sure way to protect your critical power systems from the sudden loss of power.
Power Protection can take many forms from basic checks to make sure that no sockets are over loaded to full blown resilience of supply implementing N+1 or N+2 Power Protection Systems. Any truly serious Power Protection System would encompass combining an installed Uninterruptible Power Supply ( UPS Systems) and a Standby Generator ( Emergency Power Systems) each of which would be scaled to balance and support both the existing present load and allow for any future expansion.
Always bear in mind that a UPS must never run continuously with more than 75% across all phases, with each of the 3 phases in balance and the similar principal applies to any generator unless the supplied unit states that it can run continuously run at full load at marked on the engine, this is termed Prime Power Rating. So a 100kVA Generator prime power can run at 100kVA for extended periods where as a 100kVA Standby Generator can only run at one hour in any 12 hours at full loading of 100kVA maximum
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N+1
N+2
An explanation of Power Protection level N+2 is a fully installed backup system which replicates the existing power protection system by 200% - So for example if you your power protection system has an uninterruptible power supply of say, 100kVA and a 200kVA generator backup installation then N+1 would mean duplicating the system in parallel. 100kVA UPS + 100kVA UPS + 100kVA UPS all in parallel and all backed up by generators of 200kVA + 200kVA + 200kVA all in parallel. So in the event of any of the UPS’s or Generator's failing due to mechanical failure the corresponding module would continue to protect the critical load seamlessly without any loss of power. This level of power protection would allow for the total failure of 66% of the Uninterruptible power supplies and the same loss of generator emergency power backup and yet still your critical systems would remain totally power protected.
Of Course you are able to use any combination of the above to protect your power supplies and the same principal applies to lower load levels, the final level and choice of your power protection systems are in your own hand.
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