Building an electric motorcycle, especially one with a high voltage like 900V, is a complex and potentially dangerous task that requires advanced knowledge of electrical systems and engineering. It's essential to prioritize safety and consult with professionals or experts in the field before attempting such a project. Consider factors such as voltage, power output, torque, and cooling requirements.
Batteries: Choose a battery pack that can handle the high voltage and deliver the desired range and performance. Lithium-ion (Li-ion) batteries are commonly used in electric motorcycles due to their energy density and power output.
Motor Controller: A motor controller is responsible for controlling the speed and torque of the electric motor. It regulates power flow from the batteries to the motor, ensuring smooth acceleration and deceleration.
Power Electronics: These components include devices such as contactors, fuses, circuit breakers, and DC-DC converters. They manage the power distribution, protection, and conversion between different voltage levels in the electrical system.
Battery Management System (BMS): A BMS monitors and manages the battery pack, ensuring the cells are balanced, protected from overcharging or discharging, and maintaining optimal performance and longevity.
Charger: You'll need a charger to recharge the batteries. Select a charger compatible with your battery pack specifications and charging requirements.
Frame and Suspension: Choose or design a frame that can accommodate the weight and configuration of the electric components. Ensure the suspension system is appropriate for the motorcycle's intended use.
Throttle and Controls: Install a throttle mechanism for controlling the motor's speed and acceleration. Consider adding regenerative braking capabilities to enhance energy efficiency.
Instrumentation and Display: Incorporate a display panel to provide essential information such as battery status, speed, and other relevant data. This helps monitor the motorcycle's performance and ensures rider safety.
Wiring and Safety Features: Properly wire and connect all the components, ensuring the electrical system is robust and reliable. Implement safety features like circuit protection, emergency shut-off switches, and adequate insulation to prevent electrical hazards.
Remember that this is just a general overview, and each component requires careful consideration, selection, and integration to ensure a functioning and safe electric motorcycle. It's strongly recommended to consult experts or professional engineers to guide you through the process and ensure compliance with relevant regulations and safety standards.