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1. high efficiency brushless Electric car hub motor, 2. best compacted size for EV, 3. High Power E-car Motor, 4. CE approved - details see: https://www.machineto.com/high-power-brushless-motor-controller-48v-72v-10kw-electric-car-motor-e-car-conversion-kit-bldc-hub-motor-10233568

Specifications of the controller :

Features: • Intelligence with powerful microprocessor. • Synchronous rectification, ultra low drop and fast PWM to achieve very high efficiency. • Electronic reversing. • Voltage monitoring on 3 motor phases, bus, and power supply. • Voltage monitoring on voltage source 12V and 5V. • Current sense on all 3 motor phases. • Current control loop. • Hardware over current protection. • Hardware over voltage protection. • Support torque mode, speed mode, and balanced mode operation. • Configurable limit for motor current and battery current. • Low EMC. • LED fault code. • Battery protection: current cutback, warning and shutdown at configurable high and low battery voltage. • Rugged aluminum housing for maximum heat dissipation and harsh environment. • Rugged high current terminals, and rugged aviation connectors for small signal. • Thermal protection: current cut back, warning and shutdown on high temperature. • Configurable 60 degree or 120 degree hall position sensors. • Support motors with any number of poles. • Up to 40,000 electric RPM standard. Optional high speed 70,000 ERPM, and ultra high speed 100,000 ERPM. (Electric RPM = mechanical RPM * motor pole pairs). • Support three modes of regenerative braking: brake switch regen, release throttle regen, 0-5V analog signal variable regen. • Configurable high pedal protection: Disable operation if power up with high throttle. • Current multiplication: Take less current from battery, output more current to motor. • Easy installation: 3 wire potentiometer can work. • PWMable reverse alarm output. • Remove fault code LED driver. • Current meter output. • Standard PC/Laptop computer to do programming. No special tools needed. • User program provided. Easy to use. No cost to customers. General Specifications: •Controller supply voltage range, PWR, 18V-90V. •Frequency of Operation: 16.6kHz. •Standby Battery Current: < 0.5mA. •5V Sensor Supply Current: 40mA. •Configurable battery voltage range, B+,18V-90V. •Analog Brake and Throttle Input: 0-5 Volts. Producing 0-5V signal with 3-wire pot. •Reverse Alarm, Main Contactor Coil Driver, Meter. •Full Power Operating Temperature Range: 0°C to 50 °C (controller case temperature). •Operating Temperature Range:-30°C to 90 °C, 100°C shutdown (controller case temperature). •Motor Current Limit, 1 minute: 500A. •Motor Current Limit, continuous: 250A. •Max Battery Current : Configurable.

Pictures:

Specifications for this Electric Car conversion kit , E car hub Motor:

Efficiency:90%

Peak: 20KW

Voltage: 48-144V

Speed: 3000-6000rpm

Diameter: 206mm

Length:170mm

Weight:17kgs

Cooling: Fan/Liquid

Real Pictures for 10KW E car Motor

(Liquid cooling:

Air Cooling:

Picture of the whole electric car kits wiring connection: