Study Committee Representatives Annual Meeting October 18, 2010 Winnipeg SC B4 “HVDC and Power Electronics” Activity Report Presented by: John McNichol (Manitoba Hydro)

SC B4 HVDC and Power Electronics General Subject Matter LCC (Line Commutated Converters) - Conventional technology for HVDC transmission utilizing thyristors as the switching technology for rectifier and inverter operation VSC (Voltage Source Converters) – “Newer” Technology for HVDC conversion using IGBT switching technology. It is currently applied to schemes of less than 1400 MW. Technology is growing and its applications can include passive loads, wind and off shore oil rigs. Losses and IGBT rating are limiting factors that are gradually being overcome. FACTS (Flexible AC Transmission Systems) – Systems involving the controlled switching of capacitors and/or reactors to facilitate and stabilize increased power transmission. The elements may be series or shunt connected

SC B4 HVDC and Power Electronics Membership 24 Regular Country Members (including Canada) 6 Observer Country Members Canadians On SC B4 14 Canadians are major contributors to the technical activities of the study committee 2 Canadians serve as Conveners of Working/Advisory Group

SC B4 HVDC and Power Electronics Structure - General Leadership Chairman and Secretary Supporting Organization 2 Advisory Groups (Permanent Standing) 8 Working Groups (Term Limited) 2 Joint Working Groups

SC B4 HVDC and Power Electronics Structure - Advisory Groups AG 01 Strategic Advisory Group Ensure all activities are appropriate and of sufficient priority and meet the needs of the industry and users AG 04 HVDC System Performance Gather and publish the performance data of current operating systems and maintain a compendium of worldwide systems

SC B4 HVDC and Power Electronics Structure - Working Groups WG B4.38 Simulation of HVDC and FACTS WG B4.44 Planning Guidelines Dealing with HVDC Environmental Issues WG B4.46 Voltage Source Converter HVDC for Power Transmission – Economic Aspects and Comparison with Other AC and DC Technologies WG B4.47 Special Issues in AC Filter Specifications for HVDC

SC B4 HVDC and Power Electronics Structure – Working Groups WG B4.48 Component Testing of VSC Systems for HVDC Applications WG 4.49 Performance Evaluation and Applications Review of Existing Thyristor Controlled Series Compensation Devices WG B4.51 Study Of Stresses on HVDC Converter Transformers WG B4.52 HVDC Grids

SC B4 HVDC and Power Electronics Structure – Joint Working Groups JWG B4/B2/C3.50 Electric Field and Ion Current Environment of HVDC Overhead Transmission Lines JWG B5/B4.25 Impact of HVDC Stations on Protection of AC Systems

SC B4 HVDC and Power Electronics Structure - New Working Groups WG B4.53 Guideline for the procurement of STATCOMs WG B4.54 Life extension of HVDC converter stations HVDC Grids and Multi-terminal HVDC systems Guidelines for the preparation of “connection agreements” or “Grid Codes” for multi-terminal schemes and HVDC Grids Guidelines for Generic converter and “Black Box” actual project models of converters for multi-terminal and HVDC Grids Load flow and dc voltage control in a meshed HVDC Grid Protection of Multi-terminal and HVDC Grids Designing HVDC Grids to achieve reliability and availability criteria similar to those of HVAC grid

SC B4 HVDC and Power Electronics Regular Meetings Bergen Norway 2009 - Meetings, Symposium and Tutorial Paris France 2010 - Regular Session Melbourne/Brisbane Australia 2011 - Meetings, Symposium and Tutorial Paris France 2012 – Regular Session Rio de Janeiro Brazil - Meetings, Symposium and Tutorial

B4 HVDC and Power Electronics Paris 2012 Preferential Subjects PS1 HVDC & FACTS Projects Project Planning, including environmental and regulatory issues Project implementation Project Performance including VSC, HVDC and UHVDC.

SC B4 HVDC and Power Electronics 2012 Preferential Subjects PS2 HVDC & FACTS Technology Developments HVDC converter stations FACTS equipment UHVDC equipment

Applications PS3 HVDC Grids and Multi-terminal HVDC systems Increased AC network capacity through the use of FACTS equipment, Increased AC network capacity through embedded HVDC systems and conversion of ac lines to HVDC operation Integration of large renewable energy sources