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Wednesday, March 19, 2008

MGE Galaxy essential for data centres

Product Manager, Critical Power and Cooling Services business unit of Schneider Electric, Mr. Didier Guglielminetti, has said that quality of the uninterruptible power supply (UPS) is essential for continuity of service of critical installations such as data centres, industrial processes and telecommunications.

This, he explained was the reason why Schneider Electric recommends the use of its MGE Galaxy 5000 and Galaxy 6000 UPSes.

“Four basic factors must be taken into account when selecting a UPS: the quality of the power, flexibility, ease of use and total cost of ownership,” he said

Just as he added that for mission-critical applications, the stakes are such that it is absolutely essential to offer operations managers systems that provide the most effective combination of these factors, regardless of the complexity of the environments and conditions.

“This is the reasoning behind the features incorporated into the Galaxy 5000 and 6000,” he maintained.

According to him, the highest quality power is required to ensure that Information Technology (IT) and industrial equipment functions at maximum efficiency.

The Galaxy 5000, he said, is an on-line double-conversion architecture with a variable switching frequency Six-Pack IGBT inverter technology.

SixPack IGBTs are also used at the UPS input stage to provide a clean input current waveform to ensure that they can be built into any electrical installation without interference.

“It is essential that the power is uninterrupted during any upgrade. The Galaxy 5000 is highly modular and can be upgraded to meet the changing requirements of sites and critical applications,” he said.

The basic rating, he said, could be increased by six-fold and even be used in conjunction with static transfer switches (STS) to provide redundant electrical power supplies.

Backup times from five minutes to eight hours are available as standard to meet various requirements, he explained, stressing that from installation to operation, Galaxy 5000 provides the best return on investment. It is compact (built-in batteries of up to 80 kVA), easy and quick to connect (all operations are carried out from the front).

The clean input current waveform provided by the SixPack technology means that the mains supply does not need to be oversized, which can result in considerable savings.

Finally, he said, its operating efficiency could be up to 94 per cent, which could save from around R17 000 to R84 000 (€1,777 to €8,800) of electricity per year.

Mistakes operating one or more UPSes protecting mission-critical services can have extremely serious consequences.

Ease of learning and decision-making aids are aspects that are important for ensuring the availability of the power to equipment protected by UPS systems.

“The Galaxy 6000 features the very high availability power, flexibility and low cost of ownership of the Galaxy 5000 with a novel interface for exceptionally easy operation,” he said, emphasising that its icon-based graphical user interface with large tactile colour display provides access to all the information essential for managing the high availability power supply: metering, alarms, statistics and event log.

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