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

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

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

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

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

Interconnection Wind Turbine Using DC Link Etienne Veilleux ECE Connections 2009 Symposium University of Toronto Converter TopologyGeneratorAC/DC DC/DC

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