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Through Every Season, Turn, Turn, Turn

UPS Systems is supplying two methanol fuel cells to npower renewables for prime power in a portable wind monitoring application. The fuel cell installation was completed in January 2009, allowing npower
renewables to undertake its first deployment of the new system, capable of measuring wind speeds and direction at the full range of possible wind turbine heights.

Continuous power to the anemometry equipment is provided by two 12 volt gelled-electrolyte batteries.
These were chosen because they are fast charging and capable of operating across a wide range of seasonal temperature conditions. To ensure the batteries are constantly re-charged, the system also
comprises solar PV and two EFOY Pro 1600 methanol fuel cell modules.

Fuel cell experts, UPS Systems, have supplied the batteries, fuel cells and methanol fuel for the project, which are all integrated within a secure, weatherproof ProCube casing, and monitored by the company’s proprietary remote monitoring system, REMO(r).

Stewart Kirby, Anemometry Analyst at npower renewables commented: “We chose to integrate fuel cells into the project because of their flexibility which allow the whole remote monitoring and power system to be portable. We need to be able to move the wind monitoring equipment quickly and easily between locations and the fuel cells allow us to do this. Ultimately the new system will enable us to further optimise wind farm layout designs and performance modelling for potential wind farm sites in the UK.”

Methanol fuel cells deliver clean energy and guaranteed reliable power. Their lightweight and compact size along with their ability to generate continuous power makes them better suited for portable applications in remote locations. As they require little maintenance, fuel cells are the ideal solution. In this application, the units are supplied with a single twentyeight litre canister of methanol to power the system for over a month.

UPS Systems Managing Director Tom Sperrey concluded: “Until now our fuel cell deployments have mainly centred on the provision of standby power for IT or demonstrator projects where fuel cells have been integrated within renewable energy systems. This project uses fuel cells for prime power in a remote monitoring application, demonstrating the versatile nature of the technology. Fuel cells offer significant benefits and this project shows how fuel cells are becoming relevant across a range of applications.”

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