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May 15, 2008
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Leading supplier of pumps for rail vehicles |
Since 1996, KSB Aktiengesellschaft, Frankenthal (Germany), has sold about 17,000 pumps from the Etaseco range for use in high-speed trains, high-performance locomotives and urban trains.
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Depending on the rated motor power, the converters for traction systems are either cooled by air or liquid. Today, the large electric drives mainly require liquid-cooled power converters.
In the cooling system, a zero-leakage canned motor pump ensures that a glycol/water mixture is circulated at a discharge pressure of up to 4 bar. The coolant temperature may vary between -50°C and +80°C max., depending on the climatic conditions.
One reason why this pump type has been so successful in these applications is that it meets high requirements with regard to quality, vibration characteristics, noise levels, service intervals and MTBF value (Mean Time Beween Failures).
Before the pump is actually used in railway applications, it has to undergo comprehensive testing to prove it is compliant with EN 60349-2 and EN 61373.
KSB pumps are currently employed in locomotives in countries all over the world, such as
Australia (Queensland)
Belgium
Bulgaria
China (DJ8, DJ4, CHN)
Denmark
Germany (ICE-3, BR 426-426, BR 185.2, BR 189)
France (TGV–POS, NAT)
Great Britain
Italy (E464, AGV)
Korea
Lithuania
Austria (ÖBB 1016/1116, 2016)
Portugal
Russia
Switzerland (Zurich urban train)
Spain
USA (NJT).
Photo: Modern high-speed trains are equipped with KSB canned motor pumps from the Etaseco series to cool the trains’ power electronics.
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