Table 1 System parameters.

Source voltages

Balanced :325.269 V (peak-to-peak)

each

Magnitude

Unbalanced : V_sam = 325.269 V,

V_sbm = 390.269 V,

V_scm = 260.269 V

Phase Unbalance : +10⁰(phase-b),

-20⁰(phase-c)

Distortion : 2^ndand 3^rdharmonics

Unbalanced R-L Loads

Z_a = 150 Ω, 100 mH

Z_b = 74 Ω, 100 mH

Z_c = 48 Ω, 10 mH

Non-linear Load

3-ph uncontrolled rectifier with

load of 300 Ω, 100 mH

Interface inductor

R_f, = 1 Ω, L_f = 30 mH

DC capacitors

C_dc = 2200 µF (each)

DC-Link Voltage

V_dcref1 = V_dcref2 = V_dc = 500 V,

2V_dcref = 1000 V

Hysteresis band

h = ± 0.2 A

Dead band

δ = ± 0.05 A

PI controller gains

K_p = 0.05, K_i = 0.005