2 SPECIFICATION
2.1 Technical specifications
Inverter for traction AC asynchronous 3-phase motors plus chopper for DC series
pump motors.
Regenerative braking functions.
Digital control based upon microcontroller
Voltage: ................................................................................................. 24, 36, 48V
Inverter maximum current (24V, 36V): ........................................350A (RMS) for 2'
Inverter maximum current (36V, 48V): ........................................300A (RMS) for 2'
Inverter operating frequency: ......................................................................... 8kHz
Dc chopper Maximum current (24V,36V):............................................. 350A for 2'
Dc chopper Maximum current (36V, 48V):............................................. 300A for 2’
Chopper Operating frequency:..................................................................... 16kHz
External temperature working range: ................................................. -40°C ÷ 40°C
Maximum heatsink temperature (start of the thermal cutback) ....................... 85°C
2.2 Block diagrams
AEQZP0BA – COMBI AC1 - User Manual Page - 7/86