How to Tune polepairs on ZombieVerter VCU

Motor pole pairs. CRITICAL — set this correctly for your motor.

Quick Reference

Param ID

Unit

Range

1 — 16

Default

Motor pole pairs. CRITICAL — set this correctly for your motor.

Default value: 2

Valid range: 1 to 16

Leaf motor: 4 pole pairs. GS450H MG1/MG2: 2. Tesla SDU: 2. Prius: 4.\\nCheck motor datasheet — wrong value = motor runs wrong speed or not at all.

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Other parameters in the Motor Control category that work together with polepairs:

Maximum motor frequency. RPM = fmax × 60 / polepairs.

Voltage at 0 RPM — controls starting torque. Higher = stronger launch.

Field weakening start frequency. Above this, motor enters constant-power region.

Speed sensor pulses per revolution.

Maximum slip frequency (induction motors). Sets full-throttle torque.

Motor temperature sensor type. Must match your motor's actual sensor.

Minimum slip frequency (induction motors). Sets creep torque.

Encoder/position sensor type. This is your motor's 'eyes' — it tells the inverter where the rotor is.

RPM below which direction change is allowed.

Nominal DC link voltage. 0 = auto-calculate from actual bus voltage.