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Flameproof motors
Flameproof motors

High efficiency motors are providing an explosion-protected solution for Rosneft, Russia's leading oil company, in the harshness of the Arctic Circle, driving crude oil pumps in the giant Vankor Oil Field situated in the Siberian Region, Krasnoyarsk.

Vankor is one of Rosneft's most important projects; and is also one of the largest industrial projects in Russia. The field is important for the development of Russia's Oil and Gas industry, and for the Russian economy at large. There are plans to produce 18 million tons of oil this year, 20% more than in 2011. In 2013, the company plans to bring the field to its design capacity of 25.3 million tons, by which time there will be a total of 425 wells on the Vankor site.

Oil extracted from the Vankor field is expected to be transported along the 4,700km ESPO (Eastern Siberia Pacific Ocean) oil pipeline, when it is completed in 2014. The oil exported via the pipeline is destined for the Asian Pacific markets of Japan, China and Korea.

The contract for the flameproof motors, including seven units of the high efficiency W22XB range, was awarded to WEG Electric CIS through its partner EnergoFront. The motors are frame size 450KH, rated 500kW, 10,000V, and Ex d IIB T4 classified area certified, according to Russian (GOST-R) and International standards. They are designed for an ambient temperature operation range of -60 to 40ºC, offering unmatched reliability and assured safety.

The motors will be driving crude oil pumps manufactured by JSC Nasosenergomash Sumy (HMS Group Subsidiary), the largest oil pump supplier in the region. They provide flameproof protection and high levels of efficiency to reduce overall lifetime running costs.

ATEX/IEC Ex certified, the W22XB motors are designed to cope with the rigours of aggressive and explosive oil and gas atmospheres, while delivering efficiency, minimised noise and vibration, and low operating temperature for increased reliability and safety. The complete range - LV and HV up to 2000kW - delivers reduced energy costs and fast payback especially in constant duty applications. Complementing the W22X range are the "H" (MV) and "M" (MV) line motors, which combine a wide operating range, up to 30MW, and all hazardous area classifications in accordance with the latest ATEX directives.

The M-Line is utilised on many applications including water injection, multi- stage gas compression and oil pipeline duties. Designed for larger applications in the output range up to 30MW, the M-Line range utilises a box frame construction that is suited to Ex.p. and pre-start purged Ex.n. applications for zone 1 and zone 2 areas having low leakage rates. The internal dispersement pipes within the box frame ensure an efficient and quick purge cycle thus keeping the cost of providing purging air/ inert gas to a minimum and, more importantly, providing quick start up times for operators.

For smaller applications, the "H"-Line range offers robustness of construction and is available in safe area, Ex n and Ex e designs. The "H" Line motors cater for medium voltage applications in the range up to 4MW and voltages up to 6,600V (50 or 60Hz). Manufactured in IEC frame sizes from 315 to 630, they are compact and extremely reliable machines with sturdy cast-iron frames and high levels of resistance to corrosion.

Posted on November 1, 2012 - (246 views)
by
Weg Electric Motors (UK) Ltd.
28/29 Walkers Road
B98 9ND Redditch - United Kingdom
+44-1527 596748
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