online UPS-Three phase Hih frequence -EA990 series

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online UPS-Three phase Hih frequence -EA990 series
Posting date : Jan 06, 2010
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Free Member Scince Dec 04, 2009
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85-
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Detailed Description
1.Three in and out system, compatible with utility of 380/400/415V,50/60Hz 2.Online double conversion, offer the load with best power quality 3.Compatible with all kinds of loads, high overload capability 4.Fully digital control with two DSPs, all the subsystems are digital controlled including the IGBT rectifier, inverter, charger, discharger. 5.Digital circulation current control technology, increases the parallel reliability 6.Very high input voltage window, compatible with different utilities. 7.Green power technology, high input power factor, low current THD (total harmonic distortion), high efficiency 8.Intelligent battery management, extend the battery life. 9.Intelligent self diagnose function, all kinds of fault protection, high capability of history record storage. 10.Fully front maintenance, save the space. 11.Redundancy design of power model fans, increase the system reliability 12.Modularized design of subsystems, convenient field maintenance. 13.Very high MTBF (mean time before failure)200,000h, very low MTTR (Mean Time to Repair)0.5 h 14.Large LCD display, friendly human machine interface. 15.Configured with top and bottom cable connection. 16.All kinds of options includes main back feed protection, bypass back feed protection, battery leakage protection, battery start kit.

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