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Hybrid vehicles

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This presentation mainly focuses on the application and other aspects of Hybrid Vehicles.
i.e battery electric vehicle (BEV), electric vehicle (EV), hybrid electric vehicle (HEV), internal combustion engine (ICE), integrated circuit (IC), lithium-ion rechargeable battery cell (Li-ion).

Publié dans : Industrie automobile
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Hybrid vehicles

  1. 1. WHAT IS A HYBRID VEHICLE? Any vehicle which combines two or more distinct power sources to move the vehicle. Power Sources- CNG (Compressed Natural Gas), LPG (Liquefied Petroleum Gas), Electricity, human power, hydrogen, solar, wind, etc. 1 1st POWER SOURCE 2nd POWER SOURCE HYBRID VEHICLE
  2. 2. HYBRID STRUCTURE The two power sources found in hybrid vehicles may be combined in different ways, either in parallel or series. 2
  3. 3. FuelsFor Hybrid Vehicles  Petroleum  Natural gas  Hydrogen fuel  Straight vegetable oil  Ethanol  Biodiesel  Methanol  Electricity 3
  4. 4. Key Features  Engine Stop/Start when vehicle at standstill  Regenerative Braking to charge batteries(through Brake energy regeneration system and others)  Smaller engine size and reduced emissions  Vehicle weight and aerodynamic design  Using low rolling resistance tires 4
  5. 5. Power Train Series Advantages • ICE running mostly at optimal speed and torque • ICE can be turned off in zero emission zone • Low floor possible • Low fuel consumption • High fuel efficiency Disadvantages • Many energy conversions -> energy loss • More suitable for city driving 5
  6. 6. Power Train • Parallel Advantages  ICE directly connected to wheels -> fewer power conversions  Electric machine and gearboxes present -> ICE working pt. can be chosen freely Disadvantages  ICE & electrical machines must be mounted together -> no low floor 6
  7. 7. EngineType >Mild Hybrid >Full Hybrid 7
  8. 8. Mild Hybrid Key Features :  A special starter, turns off engine when the car brakes, coasts or stops, and then seamlessly restarts -> saves fuel  Electric motor in a mild hybrid cannot (and does not) actually propel the vehicle on its own.  Acts as a power booster Advantage: • More fuel efficient (10-15%) compared to conventional gas powered car • Less expensive than fully hybrid Disadvantage: Less fuel efficient than fully hybrid 8
  9. 9. Full Hybrid Key Features : o The key benefit of Full Hybrid cars is that they generate significantly less air pollution and greenhouse gas emissions than other vehicles. Advantage: o More fuel efficient than mild hybrid. Disadvantage: o Expensive than mild hybrid. 9
  10. 10. Plug-in Hybrid Key Features: • Rechargeable batteries • Electric motor -> primary power source, gasoline engine -> supplemental motivation • Require deeper battery charging and discharging cycles than conventional hybrids 10
  11. 11. Plug-in Hybrid Advantages:  Energy resilience and petroleum displacement  Fuel efficiency  Lower greenhouse gas emissions  Lower operating costs  Range anxiety elimination  Reduction of smog  Vehicle-to-grid electricity Disadvantages: • Cost of batteries • Recharging outside home garages • Emissions shifted to electric plants in some countries • Lithium availability and supply security 11
  12. 12. Future of Hybrid Cars Pros • Environment Friendly • Fuel Efficient • Reduced Noise • Better Performance • Financial Benefits – Govt. aid 12 Cons • Car can be expensive –high maintenance cost • Different drive experience – heavier car • Less Power • Low fuel mileage on highway • Safety - risk of exposure to high voltage wires in case of crash • Disposal of Hybrid car battery
  13. 13. References  http://www.hybridcars.com/  http://auto.howstuffworks.com/  http://en.wikipedia.org/  http://www.autocar.com/ 13

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