Grounding Ring Ensures Maximum VFD Performance

Variable frequency drives (VFDs) add an unprecedented level of controllability to motors, however they can sometimes lead to increased maintenance costs if care is not taken to ground the system properly.  Specifically, improperly grounding the motor shaft can cause currents to damage the motor bearings, resulting in vibration, noise, downtime, and premature motor failure.  This is especially true in large motor applications (those of over 600 volts or 60 amps); once these voltages exceed the resistance of the motor bearings’ lubricant, they discharge to ground – typically through the mounting equipment.  This action typically causes fusion craters in the bearings. 

To help combat this issue, Marathon Electric has introduced the Aegis Shaft Grounding Ring accessory.  The Ring contains special conductive microfibers that allow these otherwise harmful currents to discharge safely to ground without going through the motor bearings.  With a high shaft rating protection – up to 120 amps continuous and 3,000 peak volts – they ensure that your motor will continue to operate safely without any shaft arcing damage.  Installation is a simple matter of attaching the Ring to the motor with four pre-drilled mounting holes, and the Ring can accommodate shafts up to 30” in diameter.  The Ring has already been successfully proven in over 150,000 HVAC, pump, and power generation applications, among others.  Best of all, the Ring can be added to most Marathon motors during assembly, and will fit most NEMA T or TS flanged and non-flanged motors from other manufacturers.

http://www.regal-beloit.com/
http://www.est-aegis.com/shaft-grounding-products.htm
http://www.prlog.org/10266896-current-diversion-with-aegis-shaft-grounding-ring-now-available-with-conductive-epoxy.html
http://www.morgancarbon.com.au/ipro.pdf

The Ed Hardy range of cool and casual ready made <b>cheap ed hardy</b> clothing products is a combination of artistic finesse, Cheap Ed Hardy clothing <u><b>ed hardy clothing</u></b> products and Discount Ed Hardy clothing <u>cheap ed hardy</u> accessories. Read below to know more. Ed Hardy's clothing line of pop culture art is a major thematic <u><b>ed hardy t shirts</u></b> expression of coolness and informality as a remedy to a world gone mad with materialism, consumerism, temporariness, immorality and mental insanity. Hardy's <b><a href=http://www.edhardy.uk.com>ed hardy UK</a></b> clothing art also clearly impresses an obligatory sense of the simplicity of life which was exactly what our ancestors <u>ed hardy</u> believed in and lived with in times past. Hardy's pop culture branded products is <u>ed hardy t shirts</u> manufactured by Ku USA, Inc. and retailed in the USA as well as overseas; these include: Waikiki, Dubai, Kuwait, Dallas, Los Angeles, Miami, Tuscon, New York, Houston, Tokyo, Singapore, Noosa, Melbourne, Sydney and Riga. The company plans <b>ed hardy clothes</b> to add New Delhi, Mumbai and Hamburg on its retail circuit. In 2004, Christian Audigier <u>ed hardy</u> purchased the license to manufacture and market Hardy's <u><b>cheap ed hardy</u></b> clothing brand of Von Dutch. However, Hardy's pop culture brands of clothing have been banned by several night <b>ed hardy</b> clubs in Vancouver because they associate this line of clothing with gang rivalries. In 1982, Hardy and his wife diversified <u><b>cheap ed hardy</u></b> into the publication business while simultaneously <b><a href=http://www.edhardy.uk.com>ed hardy</a></b> pursuing their literary talents by authoring and editing over twenty five books on <u><b>ed hardy clothes</u></b> alternative art. Additionally, Hardy organized various exhibitions <u>ed hardy clothing</u> for galleries, museums, non-profit organizations and universities. Hardy and his <b>ed hardy UK</b> artistic works have also featured in the film and print media.