1. CIGRE JWG A2/C4.52 – High-Frequency Transformer and Reactor Models for Network Studies WG Composition:  WG Convener: Bjørn Gustavsen  WG Secretary: Angelica Rocha  Number of members: 34 (includes 7 corr. members) Number of countries represented: 20 Number of members from industry/utilities: 20 Number of members from university/R&D: 14 WG Timeline:  Start Date: August 27, 2014  Expected Date for Submitting Final Report to SC Chairman: August 27, 2018

2. Highlights of recent activity:  1 st (kick-off) meeting in Paris, August 27, 2014.  2 nd meeting in Trondheim, Norway, March 12-13, 2015. Group split into three Task Forces: white-box, black-box, grey-box. Members assigned to TFs. Revised brochure skeleton Discussion about measurements on transformers for validation of model parameter calculations Future activity:  3 rd meeting is planned to October 12-14 2015, in Bad Honnef, Germany,

3. CIGRE WG A2/C4.52 – High-frequency transformer models for non-standard waveforms Future Activity:  Kick-off meeting on August 27  Two annual meetings of 2-3 days duration  Next meeting: Trondheim, Norway (tentative) Other Items:  None