1. Study Committee A3 HIGH VOLTAGE EQUIPMENT Working Group Activity ReportWG A3.26 AR 2014Page No.: 1 Activity Report 2014 WG A3.26 Influence of shunt capacitor banks on circuit breaker fault interruption duties Convener:A. Bosma (Sweden)Year of Kick-off: 2009 Number of Members:19 (According approval of the last SC meeting see last page) Regular Members: 15Corresponding Members:4 Retiring Members: New Members: Proposed for approval by SC A3 WG title and general information

2. Study Committee A3 HIGH VOLTAGE EQUIPMENT Working Group Activity ReportWG A3.26 AR 2014Page No.: 2 Technical activities & discussion items Progress of work, documents to be discussed during the SC A3 meeting and future program The 9th meeting was held in Pittsburgh, PA, USA, on June 25 and 26 A draft of the TB was discussed and updated The WG expects to send a first draft to SC A3 for commenting towards the middle of 2014. A last meeting is scheduled to discuss the comments from SC A3 in October, 2014

3. Study Committee A3 HIGH VOLTAGE EQUIPMENT Working Group Activity ReportWG A3.26 AR 2014Page No.: 3 Publications Publication on behalf of the WG (Title, way of publication, stage of preparation, approximate date of final version Just an Example: Cigre Technical Brochure Title/Working title: “Influence of shunt capacitor banks on circuit breaker fault interruption duties” Draft ready for circulation within the SC: May 2014 Aim for final version for approval: October 2014

4. Study Committee A3 HIGH VOLTAGE EQUIPMENT Working Group Activity ReportWG A3.26 AR 2014Page No.: 4 Membership with approval of the last SC meeting Approved membership of last year or members list of today with indication of changes NameCountryEmail addressRemarks Roy AlexanderUSAr.alexander@ieee.org Anne BosmaSwedenanne.bosma@se.abb.comConvenor Ricardo CamposBrazilricardo.campos@alstom.com Antonio CanhôtoPortugalantonio.canhoto@ren.pt Luke ColletteUSAlucas.collette@meppi.com Christophe CreusotFrancechristophe.creusot@alstom.com Yvon FilionCanadafilion.yvon@hydro.qc.ca Joanne HuCanadaj.hu@rbjengineering.comCorresponding Shi HuangChinahuangshi@xihari.com Aaron KalyuzhnyIsraelaharon@iec.co.il Mark McVeyUSAmark.mcvey@dom.com Sergio de Azevedo MoraisBrazilsdmorais@terra.com.brCorresponding Javier MantillaSwitzerlandjavier.mantilla@ch.abb.com Jeff NelsonUSAjeffnelson@ieee.orgCorresponding Frank RichterGermanyfrank.rf.richter@siemens.com Håkan RörvallSwedenhakan.rorvall@se.abb.com Bruce SungaCanadabruce.sunga@bchydro.com Lucas ViolleauFrancelucas.violleau@rte-france.com Daisuke YoshidaJapanyoshida.daisuke@ak.mitsubishielectric.co.jpCorresponding