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Brushless permanent magnet vehicle motor 20kw-50kw

Brushless permanent magnet vehicle  motor 20kw-50kw
Product name:Brushless permanent magnet vehicle motor 20kw-50kw
Item:
Details:
Power
The battery voltage
Speed
Rated torque
Peak torque
Peak power
current
Peak current
Efficiency
Weight
20 kw
144V
3500rpm
55Nm
140Nm
50KW
152.9A
280A
94.7%
92kg
22kw
144V
3500rpm
60Nm
150Nm
56KW
168.3A
320A
94.7%
92kg
25 kw
144V
3500rpm
68Nm
170Nm
60KW
191.4A
380A
94.8%
98kg
27 kw
144V
3500rpm
74Nm
180Nm
65KW
206.8A
380A
94.8%
102kg
30 kw
228V
3500rpm
82Nm
200Nm
70KW
152.9A
290A
94.5%
110kg
35 kw
228V
3500rpm
95.5Nm
210Nm
75KW
181.5A
350A
94.6%
114kg
45 kw
333V
6000rpm
70Nm
140Nm
100KW
149.6A
280A
94.8%
122kg
50 kw
333V
6000rpm
78Nm
160Nm
110KW
167.2A
310A
94.9%
126kg
System specification
●Motors have special dual-stator structure, constituting automatic variable torque system with the special driver. According to the vehicle’s situation like climbing, starting low speed and high speed
the system automatically work in single-stator or dual-stator state. Motor gives appropriate torque to make the dynamic performance adjust to the requirement. No longer need gearbox, avoid high current discharging, save energy, improve the travel distance, extend battery life
●Brushless motor structure
No sparkNo longer need to change the carbon brushEliminate the loss of carbon brushCompact structureHigh overload ability, long service life
●Motor rotor with rare-earth permanent magnetic field
Do not need to absorb battery energy excitationA brush dc motor or ac motor need),saving energygenerating effect is good when vehicle brakingEnergy feedback effect is goodElectric braking effect is good
●The system’s working principle
Driver timely collect information of motor rotor positionthe phase is changed according to the motor rotor position. The motor stator windings give current to produce positive torque which make the motor runThe speed-control signals change the duty cycle of the power device. So the current changes, the motor torque changes, and the motor speed changes.
●Outstanding load characteristics
good low speed peformancehigh starting torquesmall starting current, preventing high current discharging of the battery, according to the discharging characteristics of the batteryadapting to the needs of vehicle frequent startup. The battery life can be extended by 50%The driving distance can be prolonged about 30% ~ 50% when charged.
●Equipped with excellent special motor driver
Using high-performance imported power module and control chipUsing industrial components. Operating temperature is -20 degrees; military level requirement can reach - 40 degrees; reliable performance. Driver with stepless speedPositive &negative control operationBraking energy feedback; Multiple overload overheating protectionover-voltage protectionunder-voltage protectionSpeed signalvoltage and curent output.
●Motor in the whole speed range can operate high efficiently. It has greatly improved comparing with a brush dc motor, ac frequency conversion motor

●Motors and drives are cooled by air or water. Low temperature. Motor adopts imported oil bearing
Free maintenanceHigh reliabilityLong life
1.        Motor is horizontal type. Motor could have raised front edge cover, biaxial stretchSpline. The voltage, speed and power can be customized.
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