News - 07-FEB-05
Wind turbine tests confirm performance specs under harsh weather conditions
Dermond, a subsidiary of McKenzie Bay International, in Detroit, reports that it has successfully completed the first level of technology verification for an updated version of its vertical-axis wind turbine designed for WindStor installations. Consequently, the prototype 100-kilowatt (kW) WindStor wind turbine at the UniversitÈ du QuÈbec en Abitibi-TÈmiscamingue in Rouyn-Noranda, Quebec is now proceeding to the next, autonomous phase of operation. During this longer-term testing stage, continuous power measurement data will be gathered, which will serve as a basis for the development of technology and performance improvements.
Focusing on the unit's core operating features, the first-phase tests confirmed that the WindStor wind turbine
performed as designed at all rotational speeds, including its 54 RPM maximum, with audible noise at the base of the turbine tower found to be nearly absent at all rotational speeds. The tests also demonstrated a full redundancy of mechanical to electrical emergency braking and vice versa. The unit operated through all weather conditions, including snow and ice, and in temperatures as low as minus forty degrees (-40C/F), confirming design specifications requiring it to generate power in harsh weather conditions.
The company says the tests further verified that:
-the turbine construction, control systems and sensor effectiveness are capable of navigating resonance frequencies smoothly, without affecting power production and safety;
-the electronic load-torque control systems and mechanical braking functioned as designed; and
-a light-weight, guy-wired wind turbine tower is an efficient means of controlling the natural vibration frequencies of the wind turbine structure over the range of power-producing rotational speeds and, as such, simulating the support structure of a rooftop-mounted wind turbine.
WindStor Power, a wholly-owned McKenzie Bay subsidiary, intends to begin to contract manufacture and install WindStor wind turbines in conjunction with power sales agreements to be negotiated with customers. These agreements will include pricing terms and will be subject to: adequate wind power at installation sites to provide economically sufficient electricity production; satisfaction of all regulatory issues such as zoning, permitting and obtaining approvals for site plans; and the securing of financing to fund installations and WindStor development.