IS215UCVGM06A IS215UCVGH1A VMIVME-7666-111000 Mechanical braking system
Brand ABB Color Standard Application Industrial height 337mm rated current 459mA
Protection Level IP45 Suitable for motor power 226KW Application Site Power Industry BOM Number GJR2391500R1220 Power industry HIEE401782R0001 Part Number IS215UCVGM06A IS215UCVGH1A VMIVME-7666-111000
Applicable pipe 2 Whether imported is weighing 4.58 kg can be sold nationwide
IS215UCVGM06A IS215UCVGH1A VMIVME-7666-111000 Mechanical braking system
IS215UCVGM06A IS215UCVGH1A VMIVME-7666-111000 Mechanical braking system
IS215UCVGM06A In a mechanical braking system, when we press the brake pedal, a reverse torque acts on the wheel. Similarly, in regenerative braking mode, the speed of the vehicle is reduced by starting negative torque (as opposed to motion) in the motor with the help of the motor controller. Sometimes people get confused when they visualize the concept of a motor acting as a generator when it spins in reverse in regenerative braking mode. In this article, we can learn how to recover kinetic energy in electric vehicles through regenerative braking. IS215UCVGM06A First, we will focus on understanding how a motor can work like a generator. We have all used permanent magnet DC motors in robotics applications, such as line followers. When the wheels of the robot connected to the motor rotate freely (externally by hand), sometimes the motor driver IC is damaged. This happens because the motor acts as a generator and the resulting back electromotive force (greater reverse voltage) is applied to the driver IC, which damages the driver IC. When we turn the armature of these motors, it cuts off the magnetic flux of the permanent magnet. As a result, an electromotive force is induced to counter changes in magnetic flux. Therefore, we can measure the voltage at both ends of the motor. This is because the back electromotive force is a function of rotor speed (rpm). When the speed is higher, if the generated back electromotive force is greater than the supply voltage, the motor acts as a generator. Now let’s see how this principle works in electric vehicles to avoid energy loss due to braking.
IS215UCVGM06A When an engine accelerates a vehicle, the kinetic energy associated with it increases as the square of the speed. During taxiing, when the kinetic energy becomes zero, the vehicle stops. When we use a brake in an electric vehicle, the motor controller operates in such a way that the motor stops or reduces its speed. This involves reversing the direction of the motor torque to the direction of rotation. In this process, the motor rotor attached to the drive shaft generates an electromotive force in the motor (similar to the prime mover/turbine that drives the generator rotor). When the electromotive force generated is greater than the voltage of the capacitor bank, power flows from the motor to the capacitor bank. Therefore, the recovered energy is stored in batteries or capacitor banks.
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IS215UCVGM06A IS215UCVGH1A VMIVME-7666-111000 Mechanical braking system
