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> <channel><title>CsanyiGroup &#187; Variable Speed Drives</title> <atom:link href="http://www.csanyigroup.com/category/strucni-tekstovi/variable-speed-drives/feed" rel="self" type="application/rss+xml" /><link>http://www.csanyigroup.com</link> <description>Electrical engineering portal</description> <lastBuildDate>Tue, 24 Apr 2012 07:43:28 +0000</lastBuildDate> <language>en</language> <sy:updatePeriod>hourly</sy:updatePeriod> <sy:updateFrequency>1</sy:updateFrequency> <generator>http://wordpress.org/?v=3.0.3</generator> <item><title>Cost benefits of AC drives</title><link>http://www.csanyigroup.com/cost-benefits-of-ac-drives</link> <comments>http://www.csanyigroup.com/cost-benefits-of-ac-drives#comments</comments> <pubDate>Sun, 20 Jun 2010 17:12:05 +0000</pubDate> <dc:creator>ecsanyi</dc:creator> <category><![CDATA[Technical Articles]]></category> <category><![CDATA[Variable Speed Drives]]></category> <category><![CDATA[abb]]></category> <category><![CDATA[ac drives]]></category> <category><![CDATA[benefits]]></category> <category><![CDATA[commissioning]]></category> <category><![CDATA[components]]></category> <category><![CDATA[consuming]]></category> <category><![CDATA[control]]></category> <category><![CDATA[costs]]></category> <category><![CDATA[energy]]></category> <category><![CDATA[frequency converter]]></category> <category><![CDATA[installation]]></category> <category><![CDATA[investment]]></category> <category><![CDATA[maintenance]]></category> <category><![CDATA[mechanical]]></category> <category><![CDATA[motor]]></category> <category><![CDATA[Motors]]></category> <category><![CDATA[parts]]></category> <category><![CDATA[pump]]></category> <category><![CDATA[savings]]></category> <category><![CDATA[throttling]]></category> <category><![CDATA[work]]></category> <guid
isPermaLink="false">http://www.csanyigroup.com/?p=4622</guid> <description><![CDATA[In addition to their technical advantages, AC drives also provide many cost benefits. In this chapter, these benefits are reviewed, with the costs divided into investment, installation and opera- tional costs. At the moment there are still plenty of motors sold without variable speed AC drives. This pie chart shows how many motors below 2.2 [...]]]></description> <wfw:commentRss>http://www.csanyigroup.com/cost-benefits-of-ac-drives/feed</wfw:commentRss> <slash:comments>3</slash:comments> </item> <item><title>The Best Applications For VFDs</title><link>http://www.csanyigroup.com/the-best-applications-for-vfds</link> <comments>http://www.csanyigroup.com/the-best-applications-for-vfds#comments</comments> <pubDate>Sat, 27 Mar 2010 22:32:02 +0000</pubDate> <dc:creator>ecsanyi</dc:creator> <category><![CDATA[Technical Articles]]></category> <category><![CDATA[Variable Speed Drives]]></category> <category><![CDATA[application]]></category> <category><![CDATA[energy]]></category> <category><![CDATA[energy savings]]></category> <category><![CDATA[HVAC systems]]></category> <category><![CDATA[induction motor]]></category> <category><![CDATA[inlet vanes]]></category> <category><![CDATA[motor]]></category> <category><![CDATA[requirements]]></category> <category><![CDATA[single-phase]]></category> <category><![CDATA[system fan]]></category> <category><![CDATA[variable speed drive]]></category> <category><![CDATA[vfd]]></category> <guid
isPermaLink="false">http://www.csanyigroup.com/?p=1674</guid> <description><![CDATA[The most commonly used motor in building HVAC applications is the three-phase, induction motor, although some smaller applications may use a single-phase induction motor. VFDs can be applied to both. While VFD controllers can be used with a range of applications, the ones that will produce the most significant benefits are those that require variable [...]]]></description> <wfw:commentRss>http://www.csanyigroup.com/the-best-applications-for-vfds/feed</wfw:commentRss> <slash:comments>2</slash:comments> </item> <item><title>The Benefits of VFDs In HVAC Systems</title><link>http://www.csanyigroup.com/the-benefits-of-vfds-in-hvac-systems</link> <comments>http://www.csanyigroup.com/the-benefits-of-vfds-in-hvac-systems#comments</comments> <pubDate>Sat, 27 Mar 2010 14:43:17 +0000</pubDate> <dc:creator>ecsanyi</dc:creator> <category><![CDATA[Technical Articles]]></category> <category><![CDATA[Variable Speed Drives]]></category> <category><![CDATA[applications]]></category> <category><![CDATA[control]]></category> <category><![CDATA[energy savings]]></category> <category><![CDATA[hvac]]></category> <category><![CDATA[load]]></category> <category><![CDATA[motor]]></category> <category><![CDATA[operational noise]]></category> <category><![CDATA[Power factor]]></category> <category><![CDATA[pump]]></category> <category><![CDATA[speed drive]]></category> <category><![CDATA[start]]></category> <category><![CDATA[stop]]></category> <category><![CDATA[systems]]></category> <category><![CDATA[variable]]></category> <category><![CDATA[vfd]]></category> <guid
isPermaLink="false">http://www.csanyigroup.com/?p=1671</guid> <description><![CDATA[One of the most successful energy management tools ever applied to building HVAC systems is the variable frequency drive (VFD). For more than 20 years, VFDs have successfully been installed on fan and pump motors in a range of variable load applications. Energy savings vary from 35 to 50 percent over conventional constant speed applications, [...]]]></description> <wfw:commentRss>http://www.csanyigroup.com/the-benefits-of-vfds-in-hvac-systems/feed</wfw:commentRss> <slash:comments>6</slash:comments> </item> <item><title>Voltage drop calculation: voltage change during drive start</title><link>http://www.csanyigroup.com/voltage-change-during-drive-start</link> <comments>http://www.csanyigroup.com/voltage-change-during-drive-start#comments</comments> <pubDate>Sun, 09 Aug 2009 22:02:33 +0000</pubDate> <dc:creator>ecsanyi</dc:creator> <category><![CDATA[Low Voltage]]></category> <category><![CDATA[Technical Articles]]></category> <category><![CDATA[Variable Speed Drives]]></category> <category><![CDATA[calculation]]></category> <category><![CDATA[design engeneer]]></category> <category><![CDATA[drive]]></category> <category><![CDATA[voltage drop]]></category> <guid
isPermaLink="false">http://www.csanyigroup.com/?p=1047</guid> <description><![CDATA[Voltage drop is the reduction in voltage in an electrical circuit between the source and load. In electrical wiring national and local electrical codes may set guidelines for maximum voltage drop allowed in a circuit, to ensure reasonable efficiency of distribution and proper operation of electrical equipment (the maximum permitted voltage drop varies from one [...]]]></description> <wfw:commentRss>http://www.csanyigroup.com/voltage-change-during-drive-start/feed</wfw:commentRss> <slash:comments>1</slash:comments> </item> </channel> </rss>
