New UPS Raises Output/Footprint Ratio

Uninterruptible Power Supplies Limited has extended its unique PowerWAVE 9000 range of rackmounted modular three-phase UPS systems.

With the introduction of a new module with 40kVA output power, the company takes the available output in one, single, small-footprint cabinet up to 120kVA.

All the flexibility and scaleability benefits of the PowerWAVE 9000 range, in which modules and cabinets can be paralleled without limit, are retained.

Uninterruptible Power Supplies is building on the success of PowerWAVE products to drive up the output powers available from second-generation transformerless technology.

In particular, the patented PowerWAVE 9000 format has caught the imagination of consultants, contractors, and systems integrators looking for optimum flexibility to scale the power protection system to the requirements of the application, and/or to implement n+1 redundancy.

PowerWAVE 9000, introduced to the UK market two years ago, was the first three-phase power protection system in a 19in rack, and provides a whole new concept for protection of medium to large systems in a modular format.

It has found a ready market in applications where the use of 19in racks is common, such as in commercial computing, telecommunications, industrial operations and, indeed, any application standing to gain from PowerWAVE 9000's space saving, scaleability, hot-swapability, and reduced operating costs resulting from 97 percent on-line efficiency.

PowerWAVE 9000 fully exploits cool, efficient transformerless technology to allow discrete UPS modules with outputs up to 40kVA to be cabinet mounted.

Its unique Distributed Parallel Architecture enables cost-effective upgrading for capacity or n+1 redundancy by the simple addition of further modules to a cabinet or by parallel connection of multiple cabinets.

Vertical and unlimited horizontal scaleability provide total flexibility for tailoring the power protection system to the load.

Furthermore, the ease of inserting or removing modules means that they can be hot-swapped by the user.

This enables the protection system to follow the load in office reconfigurations, and allows the replacement of a module if repair is needed without exposing the protected system to raw mains.

Each PowerWAVE 9000 module includes a three-phase double-conversion UPS, control circuits, static and maintenance bypasses, CPU board and intelligent paralleling control circuitry.

A front panel display provides a friendly user interface with a separate display for each module, although in parallel systems the entire system can be managed from a single display.

There are three standard cabinets available, accommodating either a single UPS module with battery and distribution modules, two UPS modules with battery and distribution modules, or three UPS modules.

In multiple-UPS cabinets, the units can be configured for capacity or redundancy operation, and include the intelligence to operate as either.

All the other benefits of Uninterruptible Power Supplies' unique PowerWAVE technology are delivered by the new 40kVA module.

They include 97% efficiency in on-line operation, input power factor of 0.98 for the lowest running costs of any UPS, and input current harmonic distortion less than seven percent for cleaner mains.

No 12-pulse rectification is required with PowerWAVE 9000, further reducing capital costs.

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