Research Article

Power Quality Control and Design of Power Converter for Variable-Speed Wind Energy Conversion System with Permanent-Magnet Synchronous Generator

Table 2

Model parameters of PMSG based VSWECS.

ParamatersValues

Generator TypePMSG, salient pole
Rated Mechanical Power2.0093 MW
Rated Apparent Power2.2408 MVA
Rated Line-to-line Voltage690 V (rms)
Rated Phase Voltage398.4 V (rms)
Rated Stator Current 1867.76 A (rms)
Rated Stator Frequency 11.25 Hz
Rated Power Factor 0.8967
Rated Rotor Speed 22.5 rpm
Number of Pole Pairs 30
Rated Mechanical Torque852.77 kNm
Rated Rotor Flux Linkage 4.696 Wb (rms)
Stator Winding Resistance, Rs 0.73051 mΩ
-axis Synchronous Inductance, Ld1.21 mH
-axis Synchronous Inductance, Lq2.31 mH
Optimal Angle of Stator Current19.738°

Wind turbineValues

Type, modelW2000
Rated power 2 MW
Cut-in wind speed 4 m/s
Rated wind speed 13 m/s
Cut-out wind speed 25 m/s
Number of rotor blades 3
Rotor axis Horizontal
Rotor diameter 76.42 m
Rotor area 4587 m²
Speed range 13 rpm–21.9 rpm
Rated speed 19 rpm

RectifierValues

Converter type Two-level VSC
Modulation scheme/switching frequencyPWM/1 kHz–20 kHz

InverterValues

Converter type Two-level VSC
Modulation scheme/switching frequencyPWM/1 kHz–20 kHz

DC link filter and LCL paramatersValues

DC link filter53.49 mF
LCL filter1 mH, 59  F, 1 mH