Abstract
Combined heat and power (CHP) plants (co-generation plants) using biomass as fuel, can be an interesting alternative to the predominant electrical heating in Canada. The biomass-fueled boiler provides heat for the steam cycle which in turn generates electricity from the generator connected to the steam turbine. In addition, heat from the process is supplied to a district heating system. The heat can be extracted from the system in a number of ways, by using a back-pressure steam turbine, an extraction steam turbine or by extracting heat directly from the boiler. The objective of the paper is the design, modeling and simulation of such CHP plant. The plant should be sized for providing electric-ity and heat for the Anticosti Island community in Quebec.
Highlights
More than 95% of Quebec electricity is produced in hydro-power plants which put this province in the top North American province when it comes to the share of renewable energy in final consumption
Waste heat can be used in district heating systems, which can decrease the need for the electricity in heating applications
According to the financial analysis, the viability of the project is positive, the return on the initial investment cost of the project thanks to the income it generates is very fast, it represents 1.6 years, which reduce the risks on the investment
Summary
More than 95% of Quebec electricity is produced in hydro-power plants which put this province in the top North American province when it comes to the share of renewable energy in final consumption. Type of CHP system is usually identified by the type of equipment that drives the overall system (primary mover) It can be internal combustion engine, combustion or gas turbine, steam turbine, micro turbines or the fuel cell [1]. These components are using heat from the combustion of fuel to generate mechanical power which is usually used to generate electricity, but it can be used to drive rotating equipment such as compressors, pumps and fans. The aim of this work is to investigate the possibilities for using biomass powered CHPs in Anticosti island in Quebec.
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