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# Walk n charge (ppt)

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# Walk n charge (ppt)

seminar presentation on Walk ‘n’ charge.
In this, we are generating electrical energy as non-conventional method by simply walking on the footstep.

seminar presentation on Walk ‘n’ charge.
In this, we are generating electrical energy as non-conventional method by simply walking on the footstep.

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### Walk n charge (ppt)

1. 1. WALK ‘N’ CHARGE ARPIT 16284
2. 2. CONTENT  Introduction  How it works?  Advantages  Conclusion  Reference
3. 3. Introduction  Walk –n-charge is one of the technologies used to charge the low power operated devices like mobile phone batteries , MP3 player batteries , etc while you walk.  Two technologies have been tested so far to convert energy used in walking into electrical power.  1: Uses of piezoelectric material.  2: Placing small electro-mechanical devices , such as a dynamo
4. 4. Mechanism  Conversion of mechanical to electrical energy  Storing the electrical energy  Using this energy to charge mobile phone MECHANICAL TO ELETRICAL ENERGY STORING THE ELECTRICAL ENERGY USING THIS ENERGY TO CHARGE YOUR DEVICE
5. 5. Using piezoelectric material.  Piezoelectric materials are materials that produce an electric current when they are placed under mechanical stress.
6. 6. How its work?  The pushing power is converted into electricity  we can take advantage of this special property by putting piezo elements underneath our feet in such a way that every time we take a step, we are using our weight to push on the piezo electric elements- which then in turn convert that energy into electricity.  The only issue with this, however is that we need DC, not AC in order to power our stuff. We can solve this problem by creating a bridge rectifier with diodes to convert the AC power to DC power we can use.
7. 7. STEP 1:MEASURING YOUR SHOE AND PRINTING THE FILES
8. 8. STEP 2: GLUING THE PIEZO ELEMENTS
9. 9. STEP 3: THE BRIDGE RECTIFIER
10. 10. STEP 4: INSTALLATION AND FINISHING TOUCHES
11. 11. STEP 5: EXERCISE!
12. 12. Other application of piezoelectric material
13. 13. Placing small electro-mechanical devices , such as a dynamo  Dynamos convert mechanical rotation into electric power.  Dynamo - a device that makes direct current electric power using electromagnetism.
14. 14. How it works?  This device has to be worn below the knee cap on one leg and a light string is attached to the other leg.  This device captures the energy by connecting an electrical generator to leg movements.  When the person extends the gap between the legs, power is generated by a gear that turns and spins the generator.  The flexion of the leg turns off the gear so as not to discomfort the person.
15. 15. Storing the electrical energy:  Since the electricity produced is bi-directional and contains spikes, an electronic circuit encompassing a rectifier and a filter converts it into a unidirectional, spike-free wave and stores the energy produced in rechargeable batteries. This stored energy is used as an input supply to mobiles
16. 16. ADVANTAGES and FUTURE PROSPECTIVES:  Increasing the effectiveness of mobiles in rural India by providing a portable means of charging of mobiles, torches, radios.  Helping military personnel charge their GPS devices and other low-power electronic gadgets while on the move.  Providing an alternate means to wall-based charging for MP3 players, mobiles, etc in cities, thereby, helping today?s fast generation to move faster without mobile battery problems.  India has signed the Kyoto Protocol ? an acknowledgement that we share the concern of global warming, which also expresses our commitment to slow down climate change. Walk-N-Charge would just add to the efforts put in by India in various innovative ways.  Charging your cell phone might soon be as simple as taking a walk around the block.
17. 17. Conclusion  Even if 0.1% of the Indian population uses this device, it can to help reduce carbon emission by 2.25 tones per day.  This is a Non-conventional system  Smart system  Eco friendly  More cheaper than solar system
18. 18. Reference  https://circuitdigest.com  http://www.123seminarsonly.com  https://www.wikipedia.org/  https://www.slideshare.net