Cause and Treatment of Excessive Current in Motor of Electric Bike

Reason 1: deviation of fixed magnetic steel

Treatment: rebonding

The gap between 2: carbon brushes is not uniform

Treatment method: correction of carbon brush gap

Reason 3: there is a short circuit between the positive and negative electrodes of the battery

Treatment: elimination of short circuit

Cause 4: turn to turn short circuit

Treatment: fat tire electric bike

Cause 5: commutator short circuit

Treatment method: clean up commutator blades

Reason 6: too tight fit between shaft and bearing

Processing method: grinding shaft

Reason 7: zero start of Electric vehicle

Treatment: avoid driving as much as possible

Reason 8: heavy load or heavy driving resistance

Approach: human assistance