6.5.5 Motor Management
6.5.5.1 Motor Protection
Parameter Possible Values Default HHP Lite Std Adv
Motor Protection No / Yes Yes
✓
Motor Protection is a function that calculates the approximate temperature of the motor by
measuring the motor current over time. If the calculated motor temperature becomes too
high, the current output of the RHINO2 is reduced to protect the motor from burning out.
Note
This function assists in motor protection. However, it cannot completely prevent the motor from burning out.
The motor may last longer, but specific conditions can still burn out a motor, even with Motor Protection
activated.
The motor protection function operates in parallel with other current control functions and so the actual current
limit will be determined by whichever process requests the lowest operating current.
Warning
When a scooter is driven uphill the controller will indicate a thermal fault if either the controller or the motor
becomes very hot. In this situation the controller will reduce the available motor current to protect the controller
and motor. It is possible with this reduced performance, that the controller is unable to provide sufficient power
to the motor to hold the scooter on the slope and so as a safety precaution, the controller may force the scooter
to a stop with the park brake applied when the user is attempting to continue driving.
If the scooter operator observes this thermal fault indication (same indication as Stall timeout or Overcurrent
fault) the recommended response is to immediately stop driving by releasing the throttle to neutral, then to wait
for at least 30 seconds before attempting to continue driving.
6.5.5.2 Motor Protection Parameters
Parameter Possible Values Default HHP Lite Std Adv
Motor Continuous Current
90A (DS90)
120A (DS120)
160A (DS160)
See Parameter Variations
✓
Motor Heating Time 1 - 255s 20s
✓
Motor Cooling Time 4 - 1020s 32s
✓
These parameters are only used if Motor Protection is set to 'Yes'.
Adapt these parameters to match the motor that is fitted on the scooter. See the motor
specifications given by the motor manufacturer for the correct values.
Motor Continuous Current is the current at which the motor can run continuously without
becoming too hot.
Motor Heating Time is the time that the motor can run at the programmed Current Limit
before it becomes too hot. If the motor current has been close to Current Limit for Motor
Heating Time seconds, the current is limited to Motor Continuous Current so the motor can
cool down.
GBK51948 RHINO2
Installation Manual Issue 5
Programming - Page 95
To Next Page
Loading...
Need help?
General
