Research Article

Power Extraction Control of Variable Speed Wind Turbine Systems Based on Direct Drive Synchronous Generator in All Operating Regimes

Table 1

Parameters of the DDSG.

ParameterValue

: rated power of DDSG2 (MW)
: rated mechanical speed2.57 (rd/s)
: stator resistance0.008 ()
: stator -axis inductance0.0003 (H)
: permanent magnet flux3.86 (wb)
: pole pairs60