48V 1000W Electric Bicycle Brushless Rear Wheel Motor

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Q: The electric bicycle turns and turns the motor. It doesn't move. What's the matter?: The turning handle of an electric car has 3 lead wires: the power supply (+5V), the ground wire, and the signal line (linear continuous change signal). There are two kinds of electric switches used in electric vehicles, the photoelectric switch and the hall switch. The electric cars which use the hall switch at present make up the majority. The magnitude of the output voltage depends on the magnetic field strength around the hall element. Rotating the handle changes the magnetic field intensity around the hall element and changes the output voltage of the hall switch

Q: How do you change electric cars, motors, Holzer?: The motor Holzer is broken (a total of 3), rotating the motor manually, measuring the power supply, the negative pole and the 3 signal lines, respectively, to see if there is a voltage output in the end

Q: What is the working principle diagram of Holzer in the motor of electric vehicle?: Transfer Hall signal to the controller, the controller through the thick line (not hall line) to the power supply, motor coil motor rotation, magnet and coil (precisely winding on the stator coil, in fact, the hall is usually installed in the stator) to rotate, Hall position signal induces a new, thick line the controller to change the direction of the current power supply to the motor coil, the motor continues to rotate (coil and magnet coil position changes, must change the direction of the current, the corresponding motor can continue to move in one direction or the motor will be in a position to swing around, rather than continuous rotation), this is the electronic commutation.

Q: What happens when the motor cycle of the electric car is hot for some time?: Suggest going to the repair shop for repairsElectric cars are divided into alternating current electric vehicles and direct current electric vehicles. Generally speaking, electric vehicles use batteries as their energy source, and electrical energy is transformed into mechanical energy by means of controllers, motors and other components

Q: The main circuit of the motor, yellow, blue, green, 3 outer lead and 3 power leads are connected with the color, and the control circuit 5 wires are connected with the color. The problem is that motor noise is high (especially at the start), speed is slow, riding feels underpowered, and it's very expensive. But the blue and yellow lines of the main loop and the control loop (as if the two are not clear) are switched right, and everything is ok. Why is that? Please enlighten master!!!: The first electric car up, then take three ocean controller motor line, in accordance with the yellow, blue, and green order motor connected, and then connected to ocean motor controllers and Holzer plug, connect the power line plug, to learn brown line, turn the power lock, then motor starts to work. Look forward or reverse, if it is normal, off line learning, other functions can connect normal riding, if it is reversed the learning line open again once the motor is transferred, then disconnect the line with other learning, the function of line on it.

Q: Method for overhauling motor of electric vehicle: Motor heatingThe direct reason is due to the heating of the motor current caused by the motor current I, input electric potential E1 motor, sense of rotation of the motor electromotive force (also called back EMF) E2, and the relationship between the motor coil resistance of R is: I= (E1-E2), R, I increased, R or smaller E2 reduced. R becomes smaller, usually caused by short circuit or open circuit, and the reduction of E2 is usually caused by demagnetization of magnetic steel or caused by short circuit and open circuit of coil. In the maintenance practice of electric vehicle, the method of dealing with the heating and releasing of motor is usually replacing the motor.

Q: Electric car 1000W motor with what battery good?: The mileage of an electric vehicle is related to the size and capacity of the battery, that is to say, the number of the electric vehicles

Q: Can electric motors generate electricity?: The stator current is in the motor state; if you rotate the permanent magnet rotor, then there is electromotive force on the stator

Q: 350W electric vehicle 450W controller, the power consumption will be serious to what extent?: Tolerable。 The motor can be used at different voltages, and the 450W controller is usually used by 48V20A electric vehicles

Q: The motor by hand to turn the speed of great resistance, electricity will only move not to, when I put the ash line disconnected, motor operated by hand is very light, when disconnecting the gray line by hand to make the motor rotate speed, then it will turn, what is the reason?: You motor control is broken, change a brushless universal controller is good, in the motor is not the case, the controller is broken, you can judge so

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