From: Jerry Hodge [mailto:jhodge@howard-ind.com] Sent: Thursday, December 22, 2011 11:15 AM To: Richard Parker; Meyers, Aaron Cc: Tendulkar, Vijay (SISC); Timothy Ballo; Freeman , Jeremiah (CONTR); rick.anderson@faypwc.com; ScottB@lvmetals.com; john.caskey@nema.org ; Corkran, Jerry L; Cymbalsky, John; adelaski@standardsasap.org; Teckman@nwcounc il.org; gbf1@pge.com; carlos.gaytan@ge.com; rgreeson@federalpacific.com; bruce.r. hirsch@bge.com; mhyland@appanet.org; dave.millure@metglas.com; snadel@aceee.org; wes.pa tterson@us.abb.com; Eric.Petersen@aksteel.com; Raymond.Polinski@atimetals.com; artrosenfeld@g mail.com; srosenstock@eei.org; rroy@nrdc.org; robert.saint@nreca.coop; chuck.simmons@pgnmail.c om; kwinder@mleainc.com; mwaltner@nrdc.org; jerry.schoen@aksteel.com; Paul.Ryan@hitmet.com; BermanEconomics@gmail.com; ahofmann@publicpower.org; pkumar@publicpower.org; bsmith@federalpacific.com; greg.coulter405@gmail.com; jmauer@standardsas ap.org; Cohen, Daniel; Jim.creevy@nema.org; jrossetti@mlgw.org; cabolduc@lbl.gov; kcoughlin@lbl.gov; Brian Coffey; Michael Rivest; gjrosenquist@lbl.gov; Caitlin Johnson; Zhimei Luo; Marchetti, Emily (CONTR); charlied@uus.org; DYoung@energy-solution.com; James.Lass@cleco.com; maheshsampat@bellsouth.net; phopkinson@hvolt.com; Matthew Nardotti; Raba, Jim; Savitz, Maxine (EMAB); tpetrosino@carolina.rr.com; chris.brown@cogentpo werinc.com; ted.johnstone@cogentpowerinc.com; frank.guilbault@cogentpowerinc.com; ned.ef brush@gmail.com; dbren der@cda.copper.org; chad.kennedy@us.schneider-electric.com; eduardorobles@eaton.com; thomas.patzner@us.schneiderelectric.com; carlosgsiqueiros@eaton.com; chad.kenne dy@schneider-electric.com; Hyland, Mike; Caskey, John; Robert Greeson; thomas.patzner@schneider-electric.com; Kennedy, Irene (SISC); scott.may@siemens.com; Robert Carmichael; Christopher Lau Subject: RE: LVDT Working Group on Data Center Transformers

To Richard and All:

I am glad to see progress is being made on getting consensus on Dry Type Transformers. The Dry Types actually r epresent the greatest potential for Energy Savings or Conservation. I only wish we could have reached some agreement on Liquid Immersed Transformer.

I was looking at some of my early reports or analysis on Energy Conservation and found my copy of the Oak Ridge National Laborat ory Analysis prepared for the DOE back in July of 1996 (Copy of the Executive Summary Attached). This was the report that determined that energy conservation standards would have the potential for significant energy savings and that they would be techni cally feasible and economically justified.

Their analysis shows that nearly three fourth s of the energy saving s would come from the Dry-Type Transformers. So it's very important to concentrate on getting good realistic efficiencies for these products.

I appreciate being allowed to serve on this committee and have enjoyed meeting all of you and participating with you in this good faith effort.

I hope the end results will be realistic, good and wo rthwhile for the utility industry, the consumers and our country.I want to wish all of you a very Merry Christmas and Happy & Healthful New Year.

Jerry

Jerry Hodge Consulting Engineer, E.E., M.S., P.E. Retired V.P. & G.M. of Pole Type Transformer & Regulator Div. Howard Industries Inc. P.O.Box 1588 Laurel, Ms, 39440 601 422-1539 Bus. 484 226-6190 Cell

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-----Original Message----- From: Richard Parker [ mailto:richardparkerdc@gmail.com ] Sent: Monday, December 19, 2011 9:11 PM To: Meyers, Aaron Cc: Tendulkar, Vijay (SISC); Timothy Ballo; Freeman, Jeremiah (CONTR); rick.anderson@faypwc.com ; ScottB@lvmetals.com ; john.caskey@nema.org ; Corkran, Jerry L; Cymbalsky, John; adelaski@standardsasap.org ; Teckman@nwcouncil.org ; gbf1@pge.com ; carlos.gaytan@ge.com ; rgreeson@federalpacific.com ; bruce.r.hirsch@bge.com ; Jerry Hodge; mhyland@appanet.org ; dave.millure@metglas.com ; snadel@aceee.org ; wes.patterson@us.abb.com ; Eric.Petersen@aksteel.com ; Raymond.Polinski@atimetals.com ; artrosenfeld@gmail.com ; srosenstock@eei.org ; rroy@nrdc.org ; robert.saint@nreca.coop ; chuck.simmons@pgnmail.com ; kwinder@mleainc.com ; mwaltner@nrdc.org ; jerry.schoen@aksteel.com ; Paul.Ryan@hitmet.com ; BermanEconomics@gmail.com ; ahofmann@publicpower.org ; pkumar@publicpower.org ; bsmith@federalpacific.com ; greg.coulter405@gmail.com ; jmauer@standardsasap.org ; Cohen, Daniel; Jim.creevy@nema.org ; jrossetti@mlgw.org ; cabolduc@lbl.gov ; kcoughlin@lbl.gov ; brian.coffey@navigant.com ; mrivest@navigant.com ; gjrosenquist@lbl.gov ; caitlin.johnson@navigant.com ; zhimei.luo@navigant.com ; Marchetti, Emily (CONTR); charlied@uus.org ; DYoung@energy-solution.com ; James.Lass@cleco.com ; maheshsampat@bellsouth.net ; phopkinson@hvolt.com ; matthew.nardotti@navigant.com ; Raba, Jim; Savitz, Maxine (EMAB); tpetrosino@carolina.rr.com ; chris.brown@cogentpowerinc.com ; ted.johnstone@cogentpowerinc.com ; frank.guilbault@cogentpowerinc.com ; ned.efbrush@gmail.com ; dbrender@cda.copper.org ; chad.kennedy@us.schneider-electric.com ; eduardorobles@eaton.com ; thomas.patzner@us.schneider-electric.com ; carlosgsiqueiros@eaton.com ; chad.kennedy@schneiderelectric.com ; Hyland, Mike; Caskey, John; Robert Greeson; thomas.patzner@schneider-electric.com ; Kennedy, Irene (SISC); scott.may@siemens.com ; Robert.Carmichael@navigant.com ; Christopher.Lau@navigant.com Subject: Re: LVDT Working Group on Data Center Transformers

Aaron,Thanks for catching this. I would like to refer your question to Dan Cohen for a more definitive answer, but my instinct would be that it should be possible (and not terribly difficult as a legal matter) to limit the exclusion to dry-type transformers.

Richard

On Mon, Dec 19, 2011 at 6:49 PM, Meyers, Aaron < Aaron.Meyers@cooperindustries.com > wrote: Dear Mr. Parker, Medium-voltage liquid-filled transfor mers are often used in data center applications and therefore, defining a "Data Center Transformer" as a three-phase low-voltage dr y-type distribution tran sformer is potentially damaging. Would it be possible to either modify the definition to recognize other types of data center transformers but state that the exemption only applies to the low-vo ltage dry type variety? Another alternative might be to define it more specifically as a Low-Voltage Dry Type Data Center Transformer? Thoughts? Comments?

Thanks and Best Regards, Aaron

-----Original Message----- From: Tendulkar, Vijay (SISC) [mailto: vijay.tendulka r@onyxpower.com ] Sent: Sunday, December 18, 2011 1:54 PM To: Richard Parker Cc: Timothy Ballo; Freeman, Jeremiah (CONTR);

' rick.anderson@faypwc.com '; 'ScottB@LVMetals.com';

' john.caskey@nema.org '; Corkran, Jerry L; Cymbalsky, John; 'adelaski@standardsASAP.org'; ' Teckman@nwcouncil.org '; ' gbf1@pge.com ';

' carlos.gaytan@ge.com '; ' rgreeson@federalpacific.com ';

' bruce.r.hirsch@bge.com '; ' jhodge@howard.com '; ' mhyland@appanet.org ';

' dave.millure@metglas.com '; ' snadel@aceee.org ';

' wes.patterson@us.abb.com '; ' Eric.Petersen@aksteel.com '; 'Raymond.Polinski@ATImetals.com'; ' artrosenfeld@gmail.com ';

' srosenstock@eei.org '; ' rroy@nrdc.org '; ' robert.saint@nreca.coop ';

' chuck.simmons@pgnmail.com '; ' kwinder@mleainc.com '; ' mwaltner@nrdc.org ';

' jerry.schoen@aksteel.com '; ' Paul.Ryan@hitmet.com ';

' BermanEconomics@gmail.com '; ' ahofmann@publicpower.org ';

' pkumar@publicpower.org '; ' bsmith@federalpacific.com ';

' greg.coulter405@gmail.com '; ' jmauer@standardsasap.org '; Cohen, Daniel; Meyers, Aaron; ' Jim.creevy@nema.org '; ' jrossetti@mlgw.org ';

' cabolduc@lbl.gov '; ' kcoughlin@lbl.gov '; ' brian.coffey@navigant.com ';

' richardparkerdc@gmail.com '; ' mrivest@navigant.com ';

' gjrosenquist@lbl.gov '; ' caitlin.johnson@navigant.com ';

' zhimei.luo@navigant.com '; Marchetti, Emily (CONTR); ' charlied@uus.org ';

' DYoung@energy-solution.com '; ' James.Lass@cleco.com ';' maheshsampat@bellsouth.net '; ' phopkinson@hvolt.com ';

' matthew.nardotti@navigant.com '; Raba, Jim; Savitz, Maxine (EMAB);

' tpetrosino@carolina.rr.com '; ' chris.brown@cogentpowerinc.com ';

' ted.johnstone@cogentpowerinc.com ';

' frank.guilbault@cogentpowerinc.com '; ' ned.efbrush@gmail.com ';

' dbrender@cda.copper.org '; ' chad.kennedy@us.schneider-electric.com ';

' eduardorobles@eaton.com '; ' thomas.patzner@us.schneider-electric.com ';

' carlosgsiqueiros@eaton.com '; ' chad.kennedy@schneider-electric.com '; 'Hyland, Mike'; 'Caskey, John'; 'Robert Greeson';

' thomas.patzner@schne ider-electric.com '; Kennedy, Irene (SISC);

' scott.may@siemens.com '; ' Robert.Carmichael@navigant.com ';

' Christopher.Lau@navigant.com ' Subject: LVDT Working Group on Data Center Transformers

Dear Mr. Parker and respected all others,

I still have problems with E-Mail and I hope this communications reaches all of you. Mr. Ballo is kind enough to bail me out of my E-Mail problems and help me out with my not so good proficiency in Microsoft Word editin g. Without lot of help from Mr. Patzner and Mr. Ballo, DCT definition document could not have been finished in timely manner. I wish, I will get to work every day with young gentlemen like Mr. Patzner and Mr. Ballo. Further, the comments raised in the meetings by various individuals were very helpful in formulating the final documents. On be half of DCT subcommittee, I extend my appreciation to all those who pa rticipated in the DCT definition discussions.

I have checked the intent and the wording of the final document submitted by Mr. Ballo on December 16th, 2011, and this document as written meets my appr oval. I trust that this document developed by the DCT subcommittee will meet the approval of all those concerned.

WI SH YOU ALL HAPPY HOLIDAY S AND HAPPY, PEACEFUL, HEALTHY AND BRIGHT NEW YEAR 2012.

With Kind Regards,

V. B. Tendulkar

-----Original Message-----From: Timothy Ballo [mailto: tballo@earthjustice.org ] Sent: Friday, December 16, 2011 10:09 PM To: Freeman, Jeremiah (CONTR); ' rick.anderson@faypwc.com '; 'ScottB@LVMetals.com'; ' john.caskey@nema.org ';

' jerry.corkran@cooperindustries.com '; Cymbalsky, John; 'adelaski@standardsASAP.org'; ' Teckman@nwcouncil.org '; ' gbf1@pge.com ';

' carlos.gaytan@ge.com '; ' rgreeson@federalpacific.com ';

' bruce.r.hirsch@bge.com '; ' jhodge@howard.com '; ' mhyland@appanet.org ';

' dave.millure@metglas.com '; ' snadel@aceee.org ';

' wes.patterson@us.abb.com '; ' Eric.Petersen@aksteel.com '; 'Raymond.Polinski@ATImetals.com'; ' artrosenfeld@gmail.com ';

' srosenstock@eei.org '; ' rroy@nrdc.org '; ' robert.saint@nreca.coop ';

' chuck.simmons@pgnmail.com '; ' kwinder@mleainc.com '; ' mwaltner@nrdc.org ';

' jerry.schoen@aksteel.com '; ' Paul.Ryan@hitmet.com ';

' BermanEconomics@gmail.com '; ' ahofmann@publicpower.org ';

' pkumar@publicpower.org '; ' bsmith@federalpacific.com ';

' greg.coulter405@gmail.com '; ' jmauer@standardsasap.org '; Cohen, Daniel; 'Aaron.Meyers@CooperIndustries.com'; ' Jim.creevy@nema.org ';

' jrossetti@mlgw.org '; ' cabolduc@lbl.gov '; ' kcoughlin@lbl.gov ';

' brian.coffey@navigant.com '; ' richardparkerdc@gmail.com ';

' mrivest@navigant.com '; ' gjrosenquist@lbl.gov ';

' caitlin.johnson@navigant.com '; ' zhimei.luo@navigant.com '; Marchetti, Emily (CONTR); ' charlied@uus.org '; ' DYoung@energy-solution.com ';

' James.Lass@cleco.com '; ' maheshsampat@bellsouth.net ';

' phopkinson@hvolt.com '; ' matthew.nardotti@navigant.com '; Raba, Jim; Savitz, Maxine (EMAB); ' tpetrosino@carolina.rr.com ';

' chris.brown@cogentpowerinc.com '; ' ted.johnstone@cogentpowerinc.com ';

' frank.guilbault@cogentpowerinc.com '; ' ned.efbrush@gmail.com ';

' dbrender@cda.copper.org '; ' chad.kennedy@us.schneider-electric.com ';

' eduardorobles@eaton.com '; Tendulkar, Vijay (SISC);

' thomas.patzner@us.schneider-electric.com ';

' carlosgsiqueiros@eaton.com '; ' chad.kennedy@schneider-electric.com '; 'Hyland, Mike'; 'Caskey, John'; 'Robert Greeson';

' thomas.patzner@schne ider-electric.com '; Kennedy, Irene (SISC);

' scott.may@siemens.com '; ' Robert.Carmichael@navigant.com ';

' Christopher.Lau@navigant.com ' Subject: LVDT Working Group on Data Center Transformers

All,

Attached is the product of the LVDT work group tasked with coming up with a regulatory approach for lo w-voltage dry-type transformers intended for use in data center a pplications. Our intent was to identify a set of criteria capable of distinguishing data center transformers from more typical L VDT units, recognizing the significant variation that exists even within the universe of data centertransformers. We settled on three principal criteria: (1) a nameplate designation; (2) a maximum inrush current limit; and (3) any two other design attributes from a check list of potenti al features.

The standards recommended are EL0 - retaining the 2010 standard levels as is.

The attached presents a short-term fix, but a long term solution to better address these units may need to include an effort to develop a testing protocol that better reflects the unique loading profiles of data center transformers, so that a fu ture efficiency standard for these units can better achieve r eal-world energy savings.

Tom Patzner and Vijay Tendulkar dese rve the vast majority of the credit/blame for the content of th e attached. We look forward to discussing the proposed approach on Tuesday's call.

Thanks.

-Tim Ballo

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