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Table 3 Main parameters of the simulation system

From: Equivalent model of multi-type distributed generators under faults with fast-iterative calculation method based on improved PSO algorithm

Parameter

Value

Rated capacity SN/MVA

10

Rated AC voltage UN/kV

10.5

System equivalent impedance Zs/Ω

j∙1

Impedance Z1/Ω

0.85 + j∙2.5

Impedance Z2/Ω

0.85 + j∙2.5

Impedance Z3/Ω

0.85 + j∙1.97

Impedance ZLD4/Ω

10 + j9.42

IIDG rated capacity SIIDG/MVA

10

IIDG rated voltage UIIDG/kV

0.38

DFIG rated capacity SDFIG/MVA

10

DFIG rated voltage UDFIG/kV

0.69

Stator winding resistance Rr/Ω

1.096

Stator leakage reactance Lsσ/H

0.066

Rotor winding resistance Rr/Ω

0.772

Rotor leakage reactance Lrσ/H

0.066

Mutual reactance Lm/H

1.004

Rated speed ωr/rpm

1800

Maximum number of iterations

500

Population size

500

Particle coefficients C1/C2

2/2

Limiting values of the inertia coefficient ωmax/ωmin

0.9/0.4

Accuracy of the iterative error e

1e−6