Research Article

Evaluation of a Trapezoidal Predictive Controller for a Four-Wire Active Power Filter for Utility Equipment of Metro Railway, Power-Land Substations

Table 2

Operating parameters and components of the four-wire APF prototype.

Electrical parameters
VariableValue

Prototype power rating (laboratory design)2 kW
Three-phase supply 127 V, 60 Hz
DC-link voltage reference 400 V
Sampling frequency21.6 kHz
ADC resolution12 bits

Prototype components

Line filters inductors10 mH
DC-link capacitors10 mF
Power IGBTs BSM100GD60DLC, 1200 V, 30 A
IGBT drivers Infineon 2ED300CL7-s
AC/DC voltage sensors LEM LV 25-P
AC/DC current sensorsHoneywell CSNA111
DC-link voltage controller ()
DC-link voltage balance controller ()