2 SPECIFICATION
2.1 Technical specifications
Inverter for AC asynchronous 3-phase motors
Regenerative braking functions
Can-bus interface
Digital control based upon a microcontroller
Voltage:.......................................................................24 - 36 - 48 - 72 – 80 – 96 V
Maximum current (24 V, 36 V):.................................................. 450 A (RMS) for 3'
Maximum current (36 V, 48 V):.................................................. 350 A (RMS) for 3'
Maximum current (72 V, 80 V):.................................................. 275 A (RMS) for 3'
Maximum current (96 V): ........................................................... 250 A (RMS) for 3'
Booster (all version)..........................10% of maximum current for some seconds;
Operating frequency: ......................................................................................8 kHz
External temperature range:.............................................................-30 °C ÷ 40 °C
Maximum inverter temperature (at full power): ...............................................75 °C
2.2 Block diagram
2.3 Control unit
2.3.1 Microswitches
- The microswitches must have a contact resistance lower than 0.1 Ω and a
leakage current lower than 100 µA.
- When full load connected, the voltage drop between the key switch contacts
must be lower than 0.1 V.
- The microswitches send a voltage signal to the microprocessor when a
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