Browse

Antiques Collectibles Apparel Baby Kids Items Books， Movies And Music Electronics Free Stuff Garden Outdoor Health Beauty Home Goods Home Improvement Supplies Musical Instruments Office Supplies Pet Supplies Sporting Goods Ticket Toys Games Transportation Others

Used Cars New Cars Others

Business Crafts Design And Web Events Home Improvement Legal Lessons Personal Pets Photography Repair And Technical Support Wellness Writing， Translation， And Transcription Others

Activities & Groups Artists & Musicians Classes & Lessons Events Friendship & Networking Lost & Found Rideshare Sports Teams Volunteers Travel & Travel Partners Skills & Language Swap Other

What are the components of an electric vehicle powertrain system?

1 Answers

EmilyLynn

07/29/25 4:46am

Electric vehicle powertrain systems include fuel cell engines, electric vehicle battery systems, on-board hydrogen supply systems, electric drive systems for power supply systems, and powertrain control systems. Below is an introduction to the electric power system: Components of the electric power system: Pure electric vehicles consist of three main parts: the electric drive system, the power source system, and the auxiliary system. The electric drive system includes the controller, power converter, electric motor, mechanical transmission device, and wheels. The electric motor functions similarly to the engine in a traditional car, with its primary task being to efficiently convert the electrical energy stored in the power battery into kinetic energy to drive the wheels under the driver's control, or to convert the kinetic energy from the wheels back into electrical energy during braking, feeding it back into the power battery to achieve braking energy recovery. The controller acts like the nervous system of the human body; electric vehicles must use a vehicle control system to coordinate and control various subsystems to achieve optimal overall performance. The power source system includes the battery pack and battery management system (BMS). The auxiliary system includes auxiliary power sources, power steering systems, air conditioning units, lighting devices, etc. Operation process of the powertrain system: Based on signals from the brake pedal and accelerator pedal, the electronic controller issues corresponding control commands to regulate the electric motor and adjust the power flow between the motor and the power source. The auxiliary power supply system mainly provides power for power steering, air conditioning, braking, and other auxiliary devices. In addition to signals from the brake and accelerator pedals, the steering wheel input is also a crucial signal. The power steering system determines the vehicle's agile steering based on the angular position of the steering wheel.

Was this review help?

16

2

Share

More Forum Discussions

Where is the reverse gear located in a manual transmission?

The position of the reverse gear in a manual transmission varies depending on the specific vehicle model: in most standard vehicles, the reverse gear is located in the lower right corner; in models like the Santana and Buick, the reverse gear is positioned in the lower left corner. Introduction to manual transmission vehicles: A manual transmission vehicle uses a manual shift mechanical transmission to regulate speed. It involves manually moving the gear lever to change the gear meshing positions inside the transmission, thereby altering the gear ratio to achieve speed variation. The gears in a manual transmission are categorized as follows: First gear is the starting gear, used when the vehicle begins to move; second gear is the passing gear; third gear is the transition gear; fourth gear is the driving gear; and fifth gear is the high-speed gear.

Why does the idle speed stay at 2000 RPM and won't drop?

Reasons and solutions for the idle speed staying at 2000 RPM are as follows: Reasons for high idle speed: The carburetor throttle return spring is too soft; Carburetor gasket leakage; Excessive idle jet size; Loose throttle shaft; Poor operation of individual cylinders; Intake manifold leakage due to improper fixation; Brake vacuum booster air valve leakage or other vacuum pipe leakage; Distributor contact gap too small; Or possibly excessive carbon buildup. Solutions: Turn on the air conditioning and rotate the steering wheel while idling. If the idle speed doesn't increase further, it indicates the idle switch isn't closing, which can be resolved by adjusting or replacing the throttle position sensor; If high idle is caused by intake pipe leakage, it can be fixed by sealing or replacing related components; Clean and inspect each fuel injector's spray quantity and check for blockages or leaks; If excessive carbon buildup causes high idle speed, promptly clean the throttle body and idle air control valve to resolve the issue.

Do You Need to Press the Clutch When Accelerating?

When pressing the accelerator, you do not need to press the clutch pedal. If the clutch pedal is pressed, the connection between the engine and the transmission will be disconnected, preventing the engine's power from being transmitted to the transmission, and the wheels will not rotate. The clutch pedal needs to be pressed when starting the car or shifting gears. Introduction to the Clutch: The clutch is part of the car's transmission system, which can connect or disconnect the engine from the transmission. Location of the Clutch: The clutch is installed between the engine and the transmission. The clutch pressure plate is fixed to the engine flywheel, with the clutch disc located between the pressure plate and the flywheel. The clutch disc has a spline in the center that secures a drive shaft, which is the power input shaft of the transmission. The Clutch Needs Regular Replacement: The clutch disc is a wear part that requires regular replacement. As the car's mileage increases, the clutch disc will gradually wear out.

When Starting a Manual Transmission Car, Should You Release the Brake or the Clutch First?

When starting a manual transmission car, you should partially release the clutch before releasing the brake. The method for starting a manual transmission car is as follows: Adjust the seat: Before starting the car, adjust the seat to ensure your feet can firmly and comfortably press the clutch, brake, and accelerator. Engage first gear when starting: Press the clutch all the way down and place your right foot on the accelerator, ready to go. Begin starting: Slowly lift the clutch with your left foot to about halfway, and release the handbrake when you feel the car vibrate. Gently press the accelerator: When the car starts to move forward, slowly release the clutch and then lightly press the accelerator to successfully start.

What is the RPM for a manual transmission at 120 km/h?

Manual transmission at 120 km/h generally has an RPM around 3000. Hazards of excessively low RPM: Under normal circumstances, a car's RPM needs to be above 2000 to demonstrate its advantages, and the 2000-4000 RPM range is referred to as the healthy RPM range. If the RPM is too low, fuel cannot fully combust in the cylinders, leading to carbon buildup in the engine. Over time, this can affect the engine's performance and cause significant damage. Hazards of RPM exceeding the normal range: If the RPM is higher than the normal range, it can easily lead to burning engine oil, damaging the transmission, and may also indicate poor engine performance. Generally, small-displacement turbocharged engines have relatively higher output power because the turbo provides additional assistance, allowing more oxygen to be drawn in during operation.

Can a Manual Transmission Be Converted to an Automatic Transmission?

Manual transmission can be converted to automatic transmission. There are two ways to convert to automatic transmission: adding an automatic clutch to the vehicle, which eliminates the need to press the clutch pedal when shifting gears, allowing direct gear changes by increasing or decreasing the gear. Alternatively, the vehicle's transmission can be directly replaced. Precautions for Driving a Manual Transmission Vehicle: When shifting gears in a manual transmission vehicle, the clutch pedal must be pressed, and the gear should be changed based on the vehicle's RPM. If the RPM exceeds 2,000, the gear should be shifted to avoid affecting power output. Otherwise, the vehicle's RPM will increase, leading to louder engine noise and potentially affecting driving performance. How to Shift Gears in a Manual Transmission: Simply press the clutch pedal. Each gear shift in a manual transmission vehicle is equivalent to starting the vehicle. If the operation is careless during shifting, the vehicle may stall. Driving a manual transmission vehicle requires practicing gear shifting frequently to ensure smooth driving and prevent accidents.

Trending Ranking

Where is the cabin air filter located in the CS35?

How to Turn on the High Beam in a Ford Edge?

What are the body dimensions of the Mercedes-Benz GLB?

How often should the transmission fluid in the Lavida be changed?

Can Modified Suspension Pass Annual Inspection?

Where is the windshield washer fluid reservoir located on the Buick Verano?

What Causes Weak Acceleration When Starting with AC On?

What are the sound processes involved in driving?

How Many Points Are Deducted for Cutting in Line While Driving?

How Many Points Are Deducted for Driving Over 4 Hours Without Rest?

More Forum Discussions

How to Modify a Car Without Breaking the Law?

Why is the alarm of Delong X3000 sounding?

Can You Pull the Handbrake If You Can't Stop in Time to Avoid a Rear-End Collision?

What Causes the Idle Speed to Stay at 1200 RPM and Not Drop?

Help

Cookie

Cookie Settings

© 2025 Servanan International Pte. Ltd.