SECTION 2 - SERVICE PROCEDURE
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2-41
Inverter and Main Relay
NOTE:
72V/76/V/83V 100Amp RPM motor adjustment by
relay contacts.
NOTE:
76V 150 Amp RPM motor adjustment via CAN BUS.
Inverter has the following functions:
1.
To Transform the Direct Current coming from the
Battery pack into 3 phase Alternating Current.
The 3 phase AC electric motor controls on the
rpm (and the current or battery consumption),
and operate on the frequency without restrictive
torque and machine’s performances.
2.
To feed the external main contactor.
Under the normal conditions (no errors) the
inverter supplies power to the external main
contactor (relay) to close the line. This contactor
is connected in series with the internal contactor
controlled by the BMS, located inside the battery
pack. If the contactor is not closed while the
machine is operating, the movements are not
possible as the electric motor cannot get power
supply.
NOTE:
Inverters have the same hardware but different soft-
ware.
MAF11820
Figure 2-30. Inverter - 38V/48V Battery Pack
MAF17000
Figure 2-31. Inverter - 38V/48V/76V RPM Management
MAF17010
Figure 2-32. Inverter - Emergency Motor 38V/48V/76V
MAF17020
Figure 2-33. Inverter - 72V/83V/76V 100Amp
Figure 2-34. Inverter - 72V/76V/83V Battery Pack
MAF11830
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