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Breakthrough in offshore compression
MAN's first hermetically-sealed motor compressor unit for an offshore
platform
MAN Diesel & Turbo in Zurich was awarded a contract for a HOFIM®
compressor (High-Speed, Oil-Free, Integrated Motor). This is a significant
business milestone: It is MAN's
first hermetically-sealed compressor being
installed on an offshore production platform Ivar Aasen in the North
Sea, run by Det norske oljeselskap ASA.
 "From a conceptual point of
view, this HOFIM® compressor unit is very similar to MAN's subsea
compressors currently being under system integration tests in Norway",
states Mathias Scherer, Vice President Sales & Contracts in Zurich.
"This compressor technology has a great business potential for platform
operators as the offshore industry is asking for simple, robust and safe
systems which can be integrated into cramped environments. Another
important aspect is the improvement of total cost of ownership."
MAN's Business Unit Oil & Gas has pioneered the development of integrated
turbocompressor systems in the past 25 years. The most significant aspects
of this machine are the use of a high-speed motor and active magnetic
bearings. There is no need for dynamic seals which makes the compressor
system hermetically sealed and as a consequence offers many advantages.
The absence of the dry gas seal system and of the complete oil system
reduces the complexity and this leads to the improved system reliability.
The required footprint significantly shrinks by 60 percent and weight on
the compressor installation drops by 30 percent in mass compared to
traditional compressor designs.
The order for Ivar Aasen comprises
a multi-stage radial compressor (1x100 percent) arranged in tandem
configuration around a centrally positioned 9.5 megawatts high-speed
electrical motor.
The integrated active magnetic bearings are
provided by MECOS, a company acquired by MAN Diesel & Turbo early 2012.
MECOS is a leading company in the field of active magnetic bearing
systems. Since 1988, MECOS has launched magnetic bearing solutions for
compressors, turbines and other high-speed rotating machinery serving in
various industrial applications. (
See more about HOFIM® Technology )
The complete HOFIM® unit will be
delivered to the module packager SMOE Pte Ltd. in Singapore which is
building the Ivar Aasen platform. In 2016 the module will be sailed away
to the final site of operation: The Ivar Aasen field situated in the
Norwegian sector of the North Sea. The compressor will export the produced
gas from the platform to shore.
Source: Martin Westerhoff
MAN
Diesel Turbo SE
www.mandieselturbo.com
Jan 15, 2014
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