Turbines In The Mist

Title

Turbines In The Mist

Artist

Michaela Perryman

Medium

Photograph - Photography

Description

Turbines in the Mist

The Albany and Grasmere wind farms are situated on the coast about 12 kilometres (7 mi) south-west of the city. They are in an elevated position at approximately 80 metres (262 ft) above the Southern Ocean. The height and locality is designed to maximise exploitation of local wind conditions, and combined with the short distance to the main electricity transmission system make this an outstanding wind farm site.

Originally commissioned in 2001 the farm was the largest of its kind in Australia. The farm originally had 12 wind turbines, with 6 extra turbines installed in 2011 as the Grasmere Wind Farm. The original Albany Wind Farm turbines are ENERCON model E66, each with three 35 metres (115 ft) long blades made from fibreglass and kevlar (making them very flexible in order to withstand any conditions) and are fitted to 65 metres (213 ft) towers. The nose cone which the blades attach to weighs around 14 tonnes. At the time of construction these turbines were the largest installed in the southern hemisphere.

The turbines operate automatically, with the three blades adjusted to make best use of power output from any wind direction or strength. They have been designed to withstand the strongest winds likely in Albany and incorporate special lightning protection. Each turbine has a rating of 1.8 MW and is able to produce electrical energy at wind speeds of 7–130 kilometres per hour (4–70 kn) at which the turbines are shut down. Maximum output is achieved at a wind speed of 50 kilometres per hour (27 kn). The 6 new turbines installed in 2011 are ENERCON model E70 with a rating of 2.3 MW.

Featured in
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Uploaded

October 1st, 2020

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