Products: Inox DF 93.3, Inox DF 100 & Inox DF 113

Features, Specifications & Advantages

  • Double Fed Induction Generator (DFIG)- increased power output & reduced reactive losses.
  • Superior power curves – one of the lowest cut-in wind speeds and rated wind speeds resulting in higher power generation for low wind regime sites of India.
  • Patented integral drive train incorporating rotor shaft and gearbox as a single unit with less turbine weight and less moving parts, resulting in ease of O & M.
  • One of the largest rotor diameters in its class – resulting in higher swept area and consequently higher power output.
  • Advanced electronic control systems resulting in higher machine uptime. Hub height of 80/92 meters – to capture better wind speeds.
  • Technological enhancements such as using capacitors instead of battery banks which increases machine up time.

All electrical components are sourced from reputed global suppliers to ensure high efficiency and reliability of turbines.

A very strong, energetic and experienced team comprising experts across all relevant fields.

Technical Data

PARTICULARS 93 MTR RD + 80 MTR HH 100 MTR RD + 80 MTR HH / 92 MTR HH 113 MTR RD + 92 MTR HH
OPERATING DATA
Rated power 2000 kW 2000 kW 2000 kW
Cut-in-wind speed 3.0 m/s 3.0 m/s 3.0 m/s
Rated wind speed 11.5 m/s 11.0 m/s 10.5 m/s
Cut-out wind speed 20.0 m/s 20.0 m/s 20.0 m/s
Survival wind speed 52.5 m/s 52.5 m/s 52.5 m/s
Hub height 80 meters 80 / 92 meters 92 meters
Type class TC IIIB TC IIIB TC IIIA
Rated speed 15.9 rpm 15.7 rpm 14.2 rpm
Operational mode Variable speed Variable speed Variable speed
Design standards Germanischer Lloyd Germanischer Lloyd Germanischer Lloyd
ROTOR
Pitch system Pitch control – electrical, variable speed inverters, power backup with ultra capacitors Pitch control – electrical, variable speed inverters, power backup with ultra capacitors Pitch control – electrical, variable speed inverters, power backup with ultra capacitors
Diameter 93 meters 100 meters 113 meters
Swept area 6795 sq meters 7894 sq meters 10029 sq meters
Blade material type Epoxy glass fibre Epoxy glass fibre Epoxy glass fibre
GENERATOR
Type Double fed induction generator Double fed induction generator Double fed induction generator
Rated power 2000kW 2000kW 2000kW
Rated voltage 690 V AC, 3 Phase 690 V AC, 3 Phase 690 V AC, 3 Phase
Frequency 50 Hz 50 Hz 50 Hz
Cooling system Water cooled Water cooled Water cooled
Insulation Class H Class H Class H
BRAKING SYSTEM
Aerodynamic brake Full span independent blade pitching Full span independent blade pitching Full span independent blade pitching
Mechanical brake Disc brakes Disc brakes Disc brakes
DRIVE TRAIN
Drive train Patented integral drive train with rotor shaft and drive train as single unit Patented integral drive train with rotor shaft and drive train as single unit Patented integral drive train with rotor shaft and drive train as single unit
Rated drive torque 1380 kNm 1355 kNm 1500 kNm
Type of gearing Two planetary and one parallel shaft gear Two planetary and one parallel shaft gear Two planetary and one parallel shaft gear
Transmission ratio 1 : ≈ 114.65 ±1% 1 : ≈ 114.65 ±1% 1 : ≈ 84.5 ±1%
Gear lubrication Forced lubrication Forced lubrication Forced lubrication
Connect on gear/generator Flexible coupling Flexible coupling Flexible coupling
YAW SYSTEM
Type Driven by 4 gear motors Driven by 4 gear motors Driven by 4 gear motors
Bearings Slide bearing Single row ball bearing Single row ball bearing
TOWER
Type Conical tubular steel tower Conical tubular steel tower Conical tubular steel tower
Tower height 78 meters 78 / 90 meters 90 meters
Corrosion protection Protective paint Protective paint Protective paint