Pollupalai and Vallimunai Wind Farms

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Pollupalai and Vallimunai Wind Farms
Pollupalai and Vallimunai Wind Farms (1).jpg
Pollupalai and Vallimunai Wind Farms
CountrySri Lanka
Location Pachchilaipalli
Coordinates 09°34′40″N80°19′12″E / 9.57778°N 80.32000°E / 9.57778; 80.32000 Coordinates: 09°34′40″N80°19′12″E / 9.57778°N 80.32000°E / 9.57778; 80.32000
StatusOperational
Commission date December 2014
Owner(s) WindForce (Pvt) Ltd
Operator(s)Joule Power (Pvt) Ltd
Beta Power (Pvt) Ltd
Wind farm
Type Onshore
Hub height85 m (279 ft)
Rotor diameter82 m (269 ft)
Rated wind speed7.5 m/s (25 ft/s)
Site elevationSea level
Power generation
Units operational16 × 1.5 MW
Make and modelReGen V82
Nameplate capacity 24 MW
Annual net output 60 GWh
External links
Websitewww.windforce.lk

The Pollupalai and Vallimunai Wind Farms are two wind farms built together by Joule Power and Beta Power, on the north-eastern shore of the Jaffna Lagoon, in Pachchilaipalli, Sri Lanka. Both wind farms are owned by the parent company WindForce, and have an installed capacity of 12 megawatts each, [1] [2] and an annual production of approximately 60 GWh . The wind farms are the first-ever to be constructed in the Northern Province of Sri Lanka. [3]

Contents

Wind turbines

Both wind farms utilizes a total of sixteen ReGen V82 wind turbines, which has an installed capacity of 1.5 MW per turbine. The turbines operate at 9–17.3 RPM, and has a rotor diameter of 82 m (269 ft) and a swept area of 5,325 m2 (57,318 sq ft). The tubular tower section has a hub height of 85 m (279 ft), and is made up of four sections. [4]

The wind turbine's operating wind speed is 12.5 m/s (41 ft/s), with cut-in and cut-out wind speeds of 3 m/s (9.8 ft/s) and 22 m/s (72 ft/s) respectively. The turbines can survive wind speeds of up to 52.5 m/s (172 ft/s). [4] All 16 turbines are placed 400 m (1,300 ft) apart in a single row, facing the lagoon. The site's average wind speed is 7.5 m/s (25 ft/s), with an air density of 1.18 kg/m3 (0.074 lb/cu ft). [4]

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References

  1. "Windforce Power Projects: Joule Power". Windforce. Archived from the original on 4 November 2015. Retrieved 6 November 2015.
  2. "Windforce Power Projects: Beta Power". Windforce. Archived from the original on 4 November 2015. Retrieved 6 November 2015.
  3. "NDB funds wind power projects in the Northern Province". The Sunday Times. 8 March 2015. Retrieved 6 November 2015.
  4. 1 2 3 "ReGen Powertech: Vensys 82". ReGen. Retrieved 6 November 2015.