3-phase IGBT PWM active front-end (boost-type) rectifier
Description
A PWM rectifier (also called an active front-end, AFE) is an IGBT-based AC-to-DC converter that uses pulse-width-modulation switching and current-vector control to draw near-sinusoidal input current at unity power factor while regulating a stable DC-bus voltage.
Key attributes
Brand
ACE Electromagnetics
Place of origin
Mumbai, MH, India
Brand
ACE Electromagnetics
Input
3-phase, 415 V class, 50/60 Hz
Cooling
forced-air (water-cooled on larger ratings)
Topology
3-phase IGBT PWM active front-end (boost-type) rectifier
Standards
IS / IEC 62477, IEC 61000, IEEE-519
Switching
high-frequency IGBT PWM (vector / SVPWM control)
Power Flow
bidirectional — four-quadrant / regenerative to grid
DC Bus Voltage
regulated, boost above peak line (e.g. ~650-750 V DC on 415 V class)
Line Side Filter
inductor / LCL filter for switching-ripple attenuation
Input Current THD
typically < 5% (meets IEEE-519)
Input Power Factor
near unity (~0.99), adjustable / leading-lagging capable
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