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> <channel><title>CsanyiGroup &#187; Transformers</title> <atom:link href="http://www.csanyigroup.com/category/strucni-tekstovi/transformers/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>ABB Power Transformers &#8211; A guide to manufacturing</title><link>http://www.csanyigroup.com/abb-power-transformers-a-guide-to-manufacturing</link> <comments>http://www.csanyigroup.com/abb-power-transformers-a-guide-to-manufacturing#comments</comments> <pubDate>Tue, 16 Nov 2010 20:38:29 +0000</pubDate> <dc:creator>ecsanyi</dc:creator> <category><![CDATA[Technical Articles]]></category> <category><![CDATA[Transformers]]></category> <category><![CDATA[abb]]></category> <category><![CDATA[assembly]]></category> <category><![CDATA[core]]></category> <category><![CDATA[design]]></category> <category><![CDATA[drying]]></category> <category><![CDATA[guide]]></category> <category><![CDATA[manufacturing]]></category> <category><![CDATA[quality assurance]]></category> <category><![CDATA[tank]]></category> <category><![CDATA[testing]]></category> <category><![CDATA[transformer]]></category> <category><![CDATA[winding]]></category> <guid
isPermaLink="false">http://www.csanyigroup.com/?p=5808</guid> <description><![CDATA[ABB is a major transformer manufacturer throughout the world. ABB power transformers are built and designed to meet the individual customer&#8217;s needs. This experienced attendance to details lies behind the success of ABB&#8217;s transformers. This approach is carried throughout the manufacturing process: design, core, winding, drying, tank, quality assurance, assembly, testing, transport and installation and [...]]]></description> <wfw:commentRss>http://www.csanyigroup.com/abb-power-transformers-a-guide-to-manufacturing/feed</wfw:commentRss> <slash:comments>1</slash:comments> </item> <item><title>Visual Inspection Of The Oil Transformer</title><link>http://www.csanyigroup.com/visual-inspection-of-the-oil-transformer</link> <comments>http://www.csanyigroup.com/visual-inspection-of-the-oil-transformer#comments</comments> <pubDate>Sat, 21 Aug 2010 19:15:20 +0000</pubDate> <dc:creator>ecsanyi</dc:creator> <category><![CDATA[Technical Articles]]></category> <category><![CDATA[Transformers]]></category> <category><![CDATA[buchholz relay]]></category> <category><![CDATA[conservator]]></category> <category><![CDATA[fans]]></category> <category><![CDATA[inpection]]></category> <category><![CDATA[nitrogen]]></category> <category><![CDATA[oil]]></category> <category><![CDATA[pressure relief]]></category> <category><![CDATA[pumps]]></category> <category><![CDATA[radiators]]></category> <category><![CDATA[sudden]]></category> <category><![CDATA[temperature]]></category> <category><![CDATA[transformer]]></category> <category><![CDATA[visual]]></category> <guid
isPermaLink="false">http://www.csanyigroup.com/?p=5471</guid> <description><![CDATA[Visual inspection of the transformer exterior reveals important condition information. For example, valves positioned incorrectly, plugged radiators, stuck temperature indicators and level gauges, and noisy oil pumps or fans. Oil leaks can often be seen...]]></description> <wfw:commentRss>http://www.csanyigroup.com/visual-inspection-of-the-oil-transformer/feed</wfw:commentRss> <slash:comments>5</slash:comments> </item> <item><title>The Unique Role Of Wind Turbine Step-Up (WTSU) Transformers</title><link>http://www.csanyigroup.com/the-unique-role-of-wind-turbine-step-up-wtsu-transformers</link> <comments>http://www.csanyigroup.com/the-unique-role-of-wind-turbine-step-up-wtsu-transformers#comments</comments> <pubDate>Tue, 15 Jun 2010 20:22:10 +0000</pubDate> <dc:creator>ecsanyi</dc:creator> <category><![CDATA[Technical Articles]]></category> <category><![CDATA[Transformers]]></category> <category><![CDATA[Wind Power]]></category> <category><![CDATA[electronics]]></category> <category><![CDATA[fault currents]]></category> <category><![CDATA[generators]]></category> <category><![CDATA[harmonic]]></category> <category><![CDATA[loading]]></category> <category><![CDATA[pacific crest]]></category> <category><![CDATA[robust]]></category> <category><![CDATA[sizing]]></category> <category><![CDATA[step-up]]></category> <category><![CDATA[thermal]]></category> <category><![CDATA[transformer]]></category> <category><![CDATA[turbine]]></category> <category><![CDATA[wind]]></category> <category><![CDATA[wind farm]]></category> <category><![CDATA[winding]]></category> <category><![CDATA[withstand]]></category> <category><![CDATA[wtsu]]></category> <guid
isPermaLink="false">http://www.csanyigroup.com/?p=4493</guid> <description><![CDATA[Harnessing wind energy to perform work is not a new concept. Since the earliest of times, wind power has been captured with sails to allow traders, merchants and explorers to ply their trades and discover the world around them. On land, windmills have been used for irrigation, grinding grains, and performing crude manufacturing for centuries. [...]]]></description> <wfw:commentRss>http://www.csanyigroup.com/the-unique-role-of-wind-turbine-step-up-wtsu-transformers/feed</wfw:commentRss> <slash:comments>4</slash:comments> </item> <item><title>Connecting Wind Turbines To The Power Grid</title><link>http://www.csanyigroup.com/connecting-wind-turbines-to-the-power-grid</link> <comments>http://www.csanyigroup.com/connecting-wind-turbines-to-the-power-grid#comments</comments> <pubDate>Wed, 09 Jun 2010 21:10:38 +0000</pubDate> <dc:creator>ecsanyi</dc:creator> <category><![CDATA[Technical Articles]]></category> <category><![CDATA[Transformers]]></category> <category><![CDATA[Wind Power]]></category> <category><![CDATA[3-phase]]></category> <category><![CDATA[aerogenerator]]></category> <category><![CDATA[connecting]]></category> <category><![CDATA[current]]></category> <category><![CDATA[distribution]]></category> <category><![CDATA[electrical]]></category> <category><![CDATA[electrical energy]]></category> <category><![CDATA[electrodynamic]]></category> <category><![CDATA[energizing]]></category> <category><![CDATA[High Voltage]]></category> <category><![CDATA[HV/LV]]></category> <category><![CDATA[pole tests]]></category> <category><![CDATA[power grid]]></category> <category><![CDATA[short circuit]]></category> <category><![CDATA[stress]]></category> <category><![CDATA[turbines]]></category> <category><![CDATA[windings]]></category> <guid
isPermaLink="false">http://www.csanyigroup.com/?p=4160</guid> <description><![CDATA[Precautions to be taken when connecting wind turbines to the power grid: The procedure for connecting wind turbines to an electric distribution network normally consists of 2 steps: 1. First, the HV/LV transformer is energized from the high voltage side]]></description> <wfw:commentRss>http://www.csanyigroup.com/connecting-wind-turbines-to-the-power-grid/feed</wfw:commentRss> <slash:comments>2</slash:comments> </item> <item><title>Transformer Ratings</title><link>http://www.csanyigroup.com/transformer-ratings</link> <comments>http://www.csanyigroup.com/transformer-ratings#comments</comments> <pubDate>Fri, 04 Jun 2010 18:24:51 +0000</pubDate> <dc:creator>ecsanyi</dc:creator> <category><![CDATA[Technical Articles]]></category> <category><![CDATA[Transformers]]></category> <category><![CDATA[cooling]]></category> <category><![CDATA[current]]></category> <category><![CDATA[high frequency]]></category> <category><![CDATA[impedance]]></category> <category><![CDATA[k factor]]></category> <category><![CDATA[kva rating]]></category> <category><![CDATA[losses]]></category> <category><![CDATA[non-linear loads]]></category> <category><![CDATA[power]]></category> <category><![CDATA[ratings]]></category> <category><![CDATA[regulation]]></category> <category><![CDATA[single-phase]]></category> <category><![CDATA[sizing]]></category> <category><![CDATA[temperature rise]]></category> <category><![CDATA[thermal performance]]></category> <category><![CDATA[transformer]]></category> <category><![CDATA[voltage]]></category> <category><![CDATA[voltage drop]]></category> <guid
isPermaLink="false">http://www.csanyigroup.com/?p=3864</guid> <description><![CDATA[Transformer size or capacity is most often expressed in kVA. &#8220;We require 30 kVA of power for this system&#8221; is one example, or &#8220;The facility has a 480 VAC feed rated for 112.5 kVA&#8221;. However, reliance upon only kVA rating can result insafety and performance problems when sizing transformers to feed modern electronic equipment. Use [...]]]></description> <wfw:commentRss>http://www.csanyigroup.com/transformer-ratings/feed</wfw:commentRss> <slash:comments>3</slash:comments> </item> <item><title>Transformer Oil Diagnostics</title><link>http://www.csanyigroup.com/transformer-oil-diagnostics</link> <comments>http://www.csanyigroup.com/transformer-oil-diagnostics#comments</comments> <pubDate>Sat, 22 May 2010 12:26:52 +0000</pubDate> <dc:creator>ecsanyi</dc:creator> <category><![CDATA[Technical Articles]]></category> <category><![CDATA[Transformers]]></category> <category><![CDATA[air]]></category> <category><![CDATA[conservator]]></category> <category><![CDATA[diagnostics]]></category> <category><![CDATA[dielectric strength]]></category> <category><![CDATA[dissipating]]></category> <category><![CDATA[expansion tank]]></category> <category><![CDATA[gauge]]></category> <category><![CDATA[inert gas]]></category> <category><![CDATA[liquid-level]]></category> <category><![CDATA[nitrogen]]></category> <category><![CDATA[sealing]]></category> <category><![CDATA[transformer]]></category> <category><![CDATA[transformer oil]]></category> <category><![CDATA[vent valves]]></category> <guid
isPermaLink="false">http://www.csanyigroup.com/?p=3696</guid> <description><![CDATA[In addition to dissipating heat due to losses in a transformer, insulating oil provides a medium with high dielectric strength in which the coils and core are submerged. This allows the transformers to be more compact, which reduces costs. Insulating oil in good condition will withstand far more voltage across connections inside the transformer tank [...]]]></description> <wfw:commentRss>http://www.csanyigroup.com/transformer-oil-diagnostics/feed</wfw:commentRss> <slash:comments>3</slash:comments> </item> <item><title>Dry-Type disc wound transformers in MV applications</title><link>http://www.csanyigroup.com/dry-type-disc-wound-transformers-in-mv-applications</link> <comments>http://www.csanyigroup.com/dry-type-disc-wound-transformers-in-mv-applications#comments</comments> <pubDate>Mon, 08 Mar 2010 21:52:42 +0000</pubDate> <dc:creator>ecsanyi</dc:creator> <category><![CDATA[Technical Articles]]></category> <category><![CDATA[Transformers]]></category> <category><![CDATA[capacitance]]></category> <category><![CDATA[coil]]></category> <category><![CDATA[disc winding]]></category> <category><![CDATA[dry type]]></category> <category><![CDATA[heat]]></category> <category><![CDATA[inductance]]></category> <category><![CDATA[layer]]></category> <category><![CDATA[losses]]></category> <category><![CDATA[Low Voltage]]></category> <category><![CDATA[Medium Voltage]]></category> <category><![CDATA[resistance]]></category> <category><![CDATA[transformer]]></category> <category><![CDATA[wound]]></category> <guid
isPermaLink="false">http://www.csanyigroup.com/?p=1645</guid> <description><![CDATA[Medium voltage, dry-type transformers may have their high voltage windings constructed using either the layer winding technique or the disc winding technique. Both winding techniques provide the same result in terms of electrical performance parameters, i.e. turns ratio, impedance etc. However, the use of transformers employing disc wound high voltage windings can result in increased [...]]]></description> <wfw:commentRss>http://www.csanyigroup.com/dry-type-disc-wound-transformers-in-mv-applications/feed</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item><title>Transformer heating and cooling</title><link>http://www.csanyigroup.com/transformer-heating-and-cooling</link> <comments>http://www.csanyigroup.com/transformer-heating-and-cooling#comments</comments> <pubDate>Tue, 27 Oct 2009 21:16:26 +0000</pubDate> <dc:creator>ecsanyi</dc:creator> <category><![CDATA[Power Substations]]></category> <category><![CDATA[Technical Articles]]></category> <category><![CDATA[Transformers]]></category> <category><![CDATA[cooling]]></category> <category><![CDATA[copper losses]]></category> <category><![CDATA[dissipate]]></category> <category><![CDATA[fan]]></category> <category><![CDATA[forced air]]></category> <category><![CDATA[heating]]></category> <category><![CDATA[iron]]></category> <category><![CDATA[odaf]]></category> <category><![CDATA[ofaf]]></category> <category><![CDATA[onaf]]></category> <category><![CDATA[onan]]></category> <category><![CDATA[power]]></category> <category><![CDATA[sf6]]></category> <category><![CDATA[transformer]]></category> <guid
isPermaLink="false">http://www.csanyigroup.com/?p=1126</guid> <description><![CDATA[In a real transformer, some power is dissipated in the form of heat. A portion of these power losses occur in the conductor windings due to electrical resistance and are referred to as copper losses. However, so-called iron losses from the transformer core are also important. The latter result from the rapid change of direction [...]]]></description> <wfw:commentRss>http://www.csanyigroup.com/transformer-heating-and-cooling/feed</wfw:commentRss> <slash:comments>7</slash:comments> </item> <item><title>Ispitivanje i održavanje energetskih transformatora</title><link>http://www.csanyigroup.com/ispitivanje-i-odrzavanje-energetskih-transformatora</link> <comments>http://www.csanyigroup.com/ispitivanje-i-odrzavanje-energetskih-transformatora#comments</comments> <pubDate>Mon, 17 Aug 2009 16:49:30 +0000</pubDate> <dc:creator>ecsanyi</dc:creator> <category><![CDATA[Technical Articles]]></category> <category><![CDATA[Transformers]]></category> <category><![CDATA[electric]]></category> <category><![CDATA[energetski transformator]]></category> <category><![CDATA[field testing]]></category> <category><![CDATA[ispitivanje]]></category> <category><![CDATA[magnetic]]></category> <category><![CDATA[meger]]></category> <category><![CDATA[održavanje]]></category> <category><![CDATA[power transformer]]></category> <category><![CDATA[trafo stanica]]></category> <guid
isPermaLink="false">http://www.csanyigroup.com/?p=1062</guid> <description><![CDATA[Energetski transformatori, kako suvi tako i uljni,  se nalaze u skoro svakoj trafo stanici u objektima industrijske namene, ili &#8220;building&#8221; sektora. Životni vek prosečnog transformatora je oko 30-ak godina uz redovno održavanje i servisiranje. Problemi i posledice koji mogu da nastanu usled uštede na održavanju transformatora (kao i ostale opreme u trafo stanici) mogu biti [...]]]></description> <wfw:commentRss>http://www.csanyigroup.com/ispitivanje-i-odrzavanje-energetskih-transformatora/feed</wfw:commentRss> <slash:comments>1</slash:comments> </item> </channel> </rss>
