The Wind Power is a comprehensive database of detailed raw statistics on the rapidly growing sphere of wind energy and its supporting markets. The Wind Power is a comprehensive database of detailed raw statistics on the rapidly growing sphere of wind energy and its supporting markets.
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Online access > Manufacturers and turbines > NEPC > 250/31



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General data

  • Manufacturer: NEPC (India)
  • Model: 250/31
  • Product page
  • Rated power: 250 kW
  • Rotor diameter: 31 m
  • Available model
  • Wind class: IEC IIIa
  • Offshore model: no
  • Swept area: 755 m²
  • Power density: 3.02 m²/kW
  • Number of blades: 3
  • Power control: Stall

Weights

  • Nacelle: 8,5 tons
  • Tower: 14 - 30 tons
  • Rotor + hub: 5,5 tons
  • Total: 28 - 44 tons

Rotor

  • Maximum rotor speed: 41,2 rd/min
  • Cut-in wind speed: 3,5 m/s
  • Rated wind speed: 13,5 m/s
  • Cut-off wind speed: 25 m/s

Gear box

  • Gear box: yes
  • Stages: 2
  • Gear ratio: 36,6

Generator

  • Type: ASYNC
  • Number: 1
  • Maximum speed: 1500 rounds/minute
  • Voltage: 415 V

Tower

  • Minimum hub height: 30 m
  • Maximum hub height: 45 m
PDF

Power curve




Update for this sheet: 4 September 2019
Complete/correct this sheet: