13.07.2015 Views

Plus Family 30kVA to 500kVA - United Power & Battery

Plus Family 30kVA to 500kVA - United Power & Battery

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eliability<strong>Plus</strong> 130-160DC Expert TMDC Expert TM provides real time information on battery string health andbattery run time remaining. With this integral feature, you always know thecondition of your battery string. Most importantly, DC Expert TM allows you <strong>to</strong>plan for battery maintenance and avoid any unexpected load losses due <strong>to</strong>battery deterioration.<strong>Power</strong>ware <strong>Plus</strong><strong>Plus</strong> 40-80DC Expert’s battery test method outperforms the competition. Examine itsbattery test method and the method used by other manufacturers <strong>to</strong> see for yourselfhow the DC Expert’s technique offers the highest level of assuranceand battery run time accuracy.DC Expert TM <strong>Battery</strong> Test MethodRectifierDC LinkInverterDuring the battery test, the rectifier regulates DC link voltage <strong>to</strong>obtain consistent battery power discharge month <strong>to</strong> month. Consistent testing proactively provides battery run timeinformation, accurate <strong>to</strong> +/-3% During a utility outage, battery time remainingau<strong>to</strong>matically updates with load shedding <strong>Battery</strong> string health determined during periodic testing Programmable, au<strong>to</strong>matic monthly testing, any day,any time The monthly battery tests perform very light battery discharges,removing less than 10% of available battery runtime, <strong>to</strong> ensure you are always ready for a utility outage Light load testing does not impact battery life Rectifier does not turn off during battery testing; rectifiershares load with battery for consistent battery load testingregardless of inverter load Since the rectifier does not turn off, the critical load isnever at risk during battery testing DC Expert TM log s<strong>to</strong>res results of last 30 tests fortrending analysis Accommodates either valve regulated (“maintenancefree”)or wet cell batteriesOther UPS Manufacturers’ <strong>Battery</strong>Test MethodXRectifierBypassInverter Other UPS manufacturers turn off the rectifier <strong>to</strong> initiatebattery testing The battery fully supports the inverter load As the critical load changes from test <strong>to</strong> test, so does thebattery load Inconsistent battery test load yields inaccurate batteryrun time estimates If the battery were <strong>to</strong> fail during testing, the inverter mustperform an emergency transfer <strong>to</strong> bypass <strong>to</strong> preventdropping the critical loadThis type of testing needlessly places the critical load at risk.

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