Predictive Control of Three Phase AC/DC Converters

List of Symbols
and Abbreviations
Symbols Description Definition
1 unity vector page 8
a complex unity vector a = e j 2π 3 page 8
a 2 complex unity vector a 2 = e −j 2π 3 page 8
d P active power hysteresis controller output page 21
d Q reactive power hysteresis controller output page 21
f pi active power time derivative page 51
f qi reactive power time derivative page 51
H P active power hysteresis controller band page 21
H Q reactive power hysteresis controller band page 21
i c DC-link capacitor current page 12
I DC DC-link current page 12
I dref reference value of current in d axis page 17
I qref reference value of current in q axis page 17
I L space vector of line current page 10
I Lαβ space vector of line current in αβ page 13
I LαβP space vector of predicted line current in αβ page 125
I Ldq space vector of line current in dq page 14
I LdqP space vector of predicted line current in dq page 128
i load VSC load current page 12
K C current controller proportional gain page 19
K P power controller proportional gain page 25
K P U DC-link voltage controller proportional gain page 25
K RL gain of choke math. model page 19
L choke inductance page 9
L C choke inductance used in predictive control page 77
method
N S number of transistor “on” and “off ” switchings page 33
P active power page 23
P P predicted active power page 43
135