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Electrical
 

Electrical

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    Electrical Electrical Presentation Transcript

    • ELECTRICITY GENERATION FROM SPEED BREAKER
      • Introduction:
      • Is anyone happy with current situation of electricity in India???
      • So, this is our small step to try to improve this situation by our project.
      • First of all what does electricity mean to us???
      • Electricity- secondary source of energy i.e. converted from other sources.
      • We need it for every small thing, still notice it’s importance only during load shedding.
      • OBJECTIVES:
      • “ Shaping Imagination”
      • “ Electricity”-Need of the hour
    • Scope, Merits and Uses
      • Low Budget electricity production
      • Less floor area
      • No obstruction to traffic
      • Easy maintenance
      • Suitable at parking of multiplexes, malls, toll booths, signals, etc.
      • Uses: Charging batteries and using them to light up the streets, etc.
      • BASIC PRINCIPLE:
      • Simple energy conversion from Mechanical to Electrical.
      • To generate electricity using the vehicle weight (potential energy) as input
      • Possible using 3 different mechanism s:
      • Crank-shaft mechanism
      • Roller mechanism
      • Rack- Pinion mechanism
      • Why Rack- Pinion mechanism??
      • Crank-shafts are required to be mounted on bearings which creates balancing problem leading to mechanical vibrations which in turn damage the bearings.
      • Secondly as bearings are of sliding type, any occurrence of variable load( which is bit obvious in case of vehicles!!) leads to balancing problem.
      • Roller mechanism has some different disadvantages.
      • Maintenance will be very difficult
      • Might cause collision.
      • What we did???
      • Rack-Pinion assembly gives good mounting convenience
      • Maximum gear losses– 3 to 5%
      • Efficiency– 95%
      • Construction of generator:
      • Initial experiments- DC motor as Generator
      • How is electricity generated???
      • Basic principle of generation of electricity.
      • What we did???
      • Challenges we faced!!
      • Selecting suitable generator.
      • Selection of springs.
      • Achieving proper balance of speed and torque.
      • What we achieved???
      • We LEARNT a lot.
      • Constructed our own generator by applying the basic principle.
      • Although we got less electrical output, we have successfully explained our idea of generating electricity from speed breaker.
      • Future Scope:
      • Such speed breakers can be designed for heavy vehicles, thus increasing input torque and ultimately output of generator.
      • More suitable and compact mechanisms to enhance efficiency.
    •