28 GENSETS
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KBC Bank and subsidiary K&H select gensets for standby power at two data centres
Four Cummins C3000 D5 generator sets with QSK78 engines and PCC 3.3 controls currently provide standby power systems for two mirrored data centres - one at Törökbálint in the Pest part of the country, around 15 km from the capital Budapest, and the other at Baracska, 37 km south west of the capital in the Buda part of the country. They both provide a continuity power sources for data centres in the financial sector.
competitiveness of the overall package. Main contractor CFE Hungary consulted closely with Cummins’ Hungarian distributor CADServer and with project architect Arcadis, to put together a proposal which came ahead of rival bids. plant offers a power production of 3,700 MWh and a thermal output of 3,000 plants.” Each of the mirrored sites is equipped with two C3000 D5 generator sets per site, both with QSK78 engines and PCC 3.3 controls. The Cummins solution features a simple direct-cooling approach with- out heat exchangers or secondary circulating pumps. Because only a small footprint
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ummins became the supplier of choice thanks principally to the
“Cummins became the supplier of choice thanks principally to the competitiveness of the overall package. The main contractor CFE Hungary consulted closely with CADServer.”
was allowed for mounting coolers on the rooftops, meeting the sound level requirement of the project proved a particular challenge. At each site there is a night- time noise level limit of 50 dB (A) at 2m distance from the next building. CAD-Server’s acoustic engineer provided a fully compliant sound attenuation design. The Cummins package is said to meet every requirement at a lower EUR/kW for the
Worldwide Independent Power November 2017
complete installation, including the price of the generator sets. The installed fuel system consists of a double-layer construction daily fuel tank, placed close to the diesel engine (with a capacity of 2300 L). Double skinned sub-base fuel tanks of 40,000 L capacity at each side of each data centre building now supply fuel to the engines via the daily tanks, allowing for a minimum of 72 hours of operation at 100% of rated load. Each site has a continuous
rating (base load) of at least 2000 kW by cos phi = 0.8 during at least 250 hours continuous operation, and 100% of that load continuous without time restriction. Automatic transmission and remote control plus floor- standing control panels complete the picture, allowing
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the bank’s Data Centre Facility Operation Department to operate the two sites seamlessly. Monthly load tests ensure all parts of the system are operating correctly. The Cummins solution has
met the bank’s present needs, and those needs may increase in the future. Forward-looking planning has ensured both data centre buildings have enough free area on each side to n increase capacity by 50%, reports Cummins.
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