Power Quality

APC Expands Three-Phase On-Line Power Protection Solutions with the Silcon DP300E

American Power Conversion (APC, West Kingston, RI) recently announced that it is expanding its three-phase on-line power protection solutions in North America with the Silcon DP300E 240kVA/kW and 320kVA/kW units. Both UPSs possess the patented Delta Conversion On-line technology. This latest generation of three-phase technology was designed more specifically for current and future technology applications than the double conversion UPS technology currently offered by other UPS vendors, according to APC.

With Delta Conversion On-line's power-factor-corrected input and high efficiency, costs associated with electrical infrastructure equipment, installation and day-to-day operation are significantly less than double-conversion UPSs. APC also claims that UPS and generator sizing is also more economical with the Silcon DP300E. This unit requires a generator to be only 1.3 times the size of the UPS, while double-conversion UPSs demand generators three to five times the size.

The Silcon DP300E units, rated for full output in kW, are designed to support new, high power-factor computer loads and provide 20 to 30 percent more power protection capacity. The Delta Conversion On-line's efficiency reduces heat loss, which in turn minimizes the stress on UPS components, increasing the reliability of the unit. The scalability of the Silcon DP300E enables up to nine units to be placed in a parallel configuration. Nine 320kW UPSs are designed to provide 2.88MW of protection. According to APC, facility managers can rest assured that their load is fully protected when configured for N+1, N+2 or N+3 redundancy.

The Silcon DP300E 240kW and 320kW units have a separate set of input terminals for the built-in static bypass switch. This feature enables the UPS to transfer the load to an alternative power source without interruption, in the event of UPS problems. The units include APC's Web/Simple Network Management Protocol Management Card to improve UPS troubleshooting capabilities.

APC's Silcon DP300E 240kW and 320kW units are currently available in Europe, the Middle East and Africa as well as most Asian and Latin American countries. The units will be available in North America during the fourth quarter of 1999.

American Power Conversion Corp.
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