Suzlon Retrofit Solutions
Break your dependency on Suzlon. NWT retrofits replace the turbine software to give you 100% independence, full data and parameter access, lower O&M costs, and modern grid compliance across the whole S-series fleet.
Choose your model
S6X SERIES · 2002–2016
S62 · 2002–2016
62 m rotor
Asynchronous generator with Suzlon Flexi Slip.
S64 · 2002–2016
64 m rotor
Dual-rating asynchronous. Low-medium wind.
S66 · 2002–2016
64 m rotor
Dual-rating asynchronous. Wide wind range.
S70 · 2002–2016
70 m rotor
Asynchronous generator with Suzlon Flexi Slip.
S8X SERIES · 2.1 MW · 2004–2015
S82 · 2006–2015
82 m rotor
Flexi Slip. Best in moderate wind regimes.
S88 · 2004–2015
88 m rotor
Robust build for wind and harsh climates.
S9X & S111 · 2.1 MW · FROM 2011
What the retrofit delivers
100% Suzlon independence
Full access to turbine data and parameter settings.
Open spare parts supply
MOOG pitch, IXYS soft starter, Woodward grid.
Modern grid compliance
Curtailment and reactive power control.
1–2 hour install
Minimal downtime, safety chain kept intact.
Two certified solutions
MITA solution
For older turbines on MITA WP3000 hardware: a new WP4000 controller plus a software update.
Bachmann solution
For turbines on Bachmann hardware: a software-only update that leaves all wiring and sensors untouched.