Volvo V60 ERAD motor
Posted: Mon Jul 10, 2023 6:18 pm
I bought a Volvo motor to connect to the Volvo inverter.
The motor connector looked the same but is was keyed different. Nothing a file can't fix.
Because this is a motor from a hybrid system it has a clutch to disconnect the driveshafts form the motor.
When the clutch whas active one driveshaft whas able to spin freely but the other one whas still hard too spin.
So i took the motor apart.The needle bearing whas damaged and pushed in to the diff so far blocking it.
Because the motor whas apart anyway I 3D printed a adapter to drive the motor with drill. hooked up a hall sensor as a referents puls.
Took a scope shot of the phase voltage and the reference and a other of the resolver output and the referents.
So for one revolution of the shaft the phase wire gives 5 sine waves. and the resolver outputs 10 "pulses" for one rotation of the motor shaft.
So 5 pole pairs for the motor?
And 2 pole pairs for the resolver?
For the setting in the open inverter software?
The motor connector looked the same but is was keyed different. Nothing a file can't fix.
Because this is a motor from a hybrid system it has a clutch to disconnect the driveshafts form the motor.
When the clutch whas active one driveshaft whas able to spin freely but the other one whas still hard too spin.
So i took the motor apart.The needle bearing whas damaged and pushed in to the diff so far blocking it.
Because the motor whas apart anyway I 3D printed a adapter to drive the motor with drill. hooked up a hall sensor as a referents puls.
Took a scope shot of the phase voltage and the reference and a other of the resolver output and the referents.
So for one revolution of the shaft the phase wire gives 5 sine waves. and the resolver outputs 10 "pulses" for one rotation of the motor shaft.
So 5 pole pairs for the motor?
And 2 pole pairs for the resolver?
For the setting in the open inverter software?