infrastructure owner evatran llc country united states introduced 2011 markets united states website pluglesspower.com plugless power 1 is a family of electric vehicle supply equipment evse products manufactured by evatran that enable inductive charging for electric vehicles ev . the plugless power evse wirelessly delivers electrical power to the on board ev battery charger using electromagnetic induction without a physical connection to the vehicle . an ev equipped with a plugless power vehicle adapter can be charged by parking it over an inductive plugless power power pad . the active step of plugging a cord into the vehicle is eliminated . contents 1 history and development 2 manufacturer 3 see also 4 references 5 external links history and development edit evatran type privately held company industry electric vehicle infrastructure founded april 2009 founder thomas hough rebecca hough headquarters richmond virginia united states number of locations richmond virginia ; wytheville va ; raleigh north carolina area served united states key people thomas hough founder chairman rebecca hough co founder ceo products inductive charging system website http plugless.com 1 in 2009 evatran began development of plugless power an inductive charging system for charging electric vehicles without plugging in . 2 field trials were begun in march 2010 . the first system was sold to google in 2011 for employee use at the mountain view campus . 3 evatran began selling the plugless l2 wireless charging system to the public in 2014 . 4 in simple terms inductive charging works by separating the two halves of an electric transformer with an air gap one half the plugless power vehicle adapter is installed on the vehicle and the other half the plugless power power pad is installed on the floor of a garage or in a parking lot . when a car with an adapter drives over a pad the two pieces are brought into close proximity 70 130 mm 2.8 5.1 in then current from the electrical grid flows through the coils in the power pad to create magnetic fields and these fields induce current flow in the vehicle adapter s coils to charge the battery . idaho national laboratory inl testing in 2013 5 found the system had a power delivery efficiency between 84 % 90 % compared to 95 % 99 % for corded charging systems depending on the alignment of the adapter and pad the separation gap and the rate of power transfer in use kw . in 2014 popular science included the plugless l2 charging system as best of what s new 2014 . 6 former chrysler ceo tom lasorda joined evatran as a strategic adviser in october 2014 . lasorda joined the management board at daimler in 2004 then served as ceo and president of chrysler from 2004 to 2007 . 7 as of march 2015 the plugless l2 was being sold for use with the nissan leaf chevrolet volt and cadillac elr . 8 manufacturer edit founded in 2009 evatran was formed as a clean technology subsidiary of mtc transformers an award winning american manufacturer of high quality precision engineered transformers and rewind services based in wytheville virginia . 9 see also edit charging station gridpoint inductive charging vehicle to grid references edit plugless power website . 2009 . retrieved 2009 09 19 . evatran to invest 3.5 million in plugless power system manufacturing operation . mfrtech . retrieved 6 march 2015 . thibaut kyle . google is hooking up their employees with plugless power for their electric cars video . techcrunch.com . techcrunch . retrieved january 10 2015 . bacque peter january 6 2014 . evatran to begin shipping its plugless electric vehicle charging system . richmond times dispatch . retrieved january 10 2015 . plugless tm level 2 ev charging system 3.3 kw by evatran group inc. inl mis 13 29807 pdf . vehicle technologies program . u.s. department of energy idaho national laboratory . 2013 08 14 . pp. 2 3 . retrieved 13 march 2014 . de paula matthew ; ransom cliff . evatran plugless l2 wireless charging for electric cars . popsci.com . popular science . retrieved december 23 2014 . automotive executive tom lasorda joins evatran . plugless.com . evatran . missing or empty title help ; missing or empty url help ; access date requires url help mtc transformers invests in technology for electric cars . virginia business . external links edit plugless power website retrieved from https en.wikipedia.org w index.php title plugless power & oldid 740287790 categories charging stationselectric vehicleswireless energy transferprivately held companies based in virginiarenewable energy organizations based in the united stateshidden categories pages with citations lacking titlespages using web citations with no urlpages using citations with accessdate and no url navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage informationwikidata itemcite this page print export create a bookdownload as pdfprintable version languages add links this page was last modified on 20 september 2016 at 04 28 . text is available under the creative commons attribution sharealike license ; 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