Current http://hpac.com/taxonomy/term/8785/more en Curbing Harmonics in HVAC Systems http://hpac.com/motors-drives/curbing-harmonics-hvac-systems <div class="field-byline"> HARVEY EURE Schneider Electric Raleigh, N.C. </div> <div class="node-body article-body">A byproduct of modern electronics, harmonic distortion occurs when large numbers of personal computers, uninterruptible power supplies, variable-frequency</div> <div class="og_rss_groups"></div><p><a href="http://hpac.com/motors-drives/curbing-harmonics-hvac-systems" target="_blank">read more</a></p> http://hpac.com/motors-drives/curbing-harmonics-hvac-systems#comments Motors / Drives AC Current DC distortion drive drives Figure harmonic hpac.com/motors-drives HVAC Reduces THDI waveform Tue, 01 Jul 2008 16:00:00 +0000 5494 at http://hpac.com New Products http://hpac.com/archive/new-products-10 <div class="node-body article-body">Adjustable-speed drives A line of adjustable-speed drives designed for use in almost all applications, the VS drive line includes two adjustable-speed</div> <div class="og_rss_groups"></div><p><a href="http://hpac.com/archive/new-products-10" target="_blank">read more</a></p> http://hpac.com/archive/new-products-10#comments Archive AC Btuh Current drive drives Electric hpac.com/ar hpac.com/mag humidity Inc.Circle line sensor software system White Sat, 01 Sep 2007 16:00:00 +0000 3533 at http://hpac.com Preventing Damage to Motor Bearings http://hpac.com/motors-drives/preventing-damage-motor-bearings <div class="field-byline"> WILLIAM OH Electro Static TechnologyMechanic Falls, Maine </div> <div class="node-body article-body">The use of variable-frequency drives (VFDs) to control alternating-current (AC) motors has increased dramatically in recent years. In addition to featuring</div> <div class="og_rss_groups"></div><p><a href="http://hpac.com/motors-drives/preventing-damage-motor-bearings" target="_blank">read more</a></p> http://hpac.com/motors-drives/preventing-damage-motor-bearings#comments Motors / Drives AC Bearing bearings Current damage hpac.com/motors-drives motor motors Photo SGR shaft VFD VFD-induced VFDs Sun, 01 Apr 2007 16:00:00 +0000 4842 at http://hpac.com