Interconnection of Wind Turbines Using DC Link Etienne

Interconnection of Wind Turbines Using DC Link Etienne Veilleux – Energy Systems Group ECE Connections Symposium May 14, 2009 Photos courtesy of the Canadian Wind Energy Association , 3 Ci Énergie Éolienne and Stewart C. Russell

Actual Offshore Wind Farm Interconnection Wind Turbine Using DC Link ECE Connections 2009 Symposium University of Toronto -2 - Etienne Veilleux

Proposed Wind Farm Configuration Interconnection Wind Turbine Using DC Link ECE Connections 2009 Symposium University of Toronto -3 - Etienne Veilleux

Project Overview Series interconnection of wind turbine using DC grid Interconnection Wind Turbine Using DC Link ECE Connections 2009 Symposium University of Toronto -4 - Etienne Veilleux

Benefits and Requirements Benefits: ¨ No offshore platform ¨ Eliminate all transformers at sending end ¨ ↓ intermediate converters ¨ ↓ overall cost General Requirements: ¨ Maximum power point tracking ¨ Continuous path for current ¨ Current regulated by the receiving end ¨ Feasible and cost effective solution Interconnection Wind Turbine Using DC Link ECE Connections 2009 Symposium University of Toronto -5 - Etienne Veilleux

Key Block: DC-DC Converter ¨ Continuous path for current on state off state Selected topology: buck converter Interconnection Wind Turbine Using DC Link ECE Connections 2009 Symposium University of Toronto -6 - Etienne Veilleux

Converter Topology Generator AC/DC DC/DC Interconnection Wind Turbine Using DC Link ECE Connections 2009 Symposium University of Toronto -7 - Etienne Veilleux

Simulation Interconnection Wind Turbine Using DC Link ECE Connections 2009 Symposium University of Toronto -8 - Etienne Veilleux