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1
A
Seminar Presentation
On
“Brushless permanent magnet D.C motor
for Electric Bike and impulse charging for their
battery“
submitted
in partial fulfillment
for the award of the Degree of
Bachelor of Technology
in Electrical Engineering
Supervisor: Submitted By:
Mr. Mayank Ranjan Kamaldeep singh
Asst. Proff.
Department of Electrical Engineering
Sri Balaji Technical Campus, Jaipur
Rajasthan Technical University, Kota
March-2015
Introduction
The introduction of the Research contain the following points have been
discussed –
• Why this research is useful?
• Study the literature survey of this research.
• About Ebike
2
Pollution
 Petrol fumes choke our
atmosphere everyday and brings
new evidence that our appetite for
oil is poisoning the planet. If the
state of affairs is already so bad,
imagine the kind of the world
future generations will inherit.
Solution
There is a solution for this –
Electric Vehicles. They run on
batteries, so there is zero
expenditure on petrol and better
still, no air pollution.
Aside from being light
on your pocket and
light on your conscience, the
no-petrol vehicle is easy to use,
light weight and maintenance
free, providing stress free
experience.
The advantages are obvious and the potential is
limited only by your imagination. Clean, Green and
Healthy.
5
1 Research Background
•The recent development of integrated electric drives is closely related to the evolution of smart
motor technologies. However, the development of new motor structures imposes higher
requirements than conventional one.
•Exemplary for vehicles for disabled people, electric bikes or electric scooter. In such a motors
family induction motor and PM could take a Dominating role.
• It wasn’t until 1998 when there were at least 49 different bikes manufactured by various
companies. Production grew from 1993 to 2004 by an estimated 35%.Today, we are planning to
continue on with the concept of the electric bike and look for new ways of making a more
efficient and practical electric bike.
What is an Electric Bike?
Fundamentally, an e-bike is just a regular bicycle
with an electric motor to provide additional
assistance. You can pedal normally and just use
the motor to help out on hills and headwinds, or
use the motor all the time just to make riding
easier. The experience is entirely different from
riding say a gas scooter or motorbike. Here the
electric assistance is perfectly smooth and silent,
and it complements rather than supplants human
power.
Motor Application
• The proposed the direct drive of electric bicycle, while the brushless
PMDCM is mounted in hub of the ahead wheel of a bicycle has been seen
in Figure. Authors propose, instead classical bike structure where second
wheel is driven, ahead wheel to be driven. This philosophy of wheel
driving gives the manufacturer to assemble such a bike according to the
customer demand. The battery supplying system consists of two lead-acid
accumulators. One part of the electronics control system is mounted on the
handlebar, but the other one is mounted on the front guide fork.
7
Cross section of the BLDCM
General view of Ebike
9
Batteries in Electric Bikes
• Electric bikes use one of three types of batteries:
1) Lead Acid
2) Nickel Metal Hydride
3) Lithium Ion (Li Ion).
• A typical battery in an electric bike will have
approximately 250W – 500W power.
• 1 types of batteries are explained as follows:
Lithium Ion (Li Ion) batteries:
The newest technology in
batteries. They're pretty
comparable to NiMH batteries,
with the exception of these two
differences:
Lithium Ion batteries are a little
bit lighter.
A Lithium Ion battery will last
about 800 full charge cycles
before it needs to be replaced.
Impulse Charging
In order to extend the battery working time,
leading to increase the bike travelling distance, the
impulse electric circuit of transferring the energy
coming from induced electromotive forces in DC
motor windings is proposed. The battery charging
goes during the so called generator braking.
Approximate expense for 4 years
Electric Bike
29,200km
10Ps for =1 Km= Rs 2,920
Bike Cost = Rs 48,000
Battery cost= Rs 10,000
Total Expense= Rs
60,920
Petrol Bike
29,200 km
584 litre = Rs 47888
Bike Cost = Rs 50,000
Total Expense= Rs
97,888
Conclusion
Purchase Electric
bikes and save
our Mother Earth.IT IS YOU! WHO CAN
STOPPOLLUTION AND
START A REVOLUTION!!
References
1. Zhang Z., Profumo F., Tenconi A,”” Wheels axial flux machines for
electric vehicle applications””, International Conference Electrical
Machines (ICEM’’94), Conference Proceedings, Paris, Sept. 1994.
2. Consoli A, ”“Propulsion Drives for Light Electric Vehicles””,
International Conference Electrical Machines (ICEM’’94), Conference
Proceedings, Paris, Sept. 1994.
3. Wiak S., Welfle H., Kom za K., Mendrela E., ”“Electromagnetic Field
Analysis of Disk-type Induction Motor””,International
ConferenceElectrical Machines (ICEM 98), vol. 2/3, pp. 735-739, 2- 4
September 1998, Istanbul, Turkey
16
References
4. Nadolski R., Gaw cki Z., Staszak J. Ludwinek K., “Gearless drive oflight electric
vehicles on the example of the bicycle driven withbrushless DC motor with
three”–phase winding””, 4th International Workshop on Research and Education
in Mechatronics 2003,October 2003, University of Applied Sciences, Bochum,
Germany.
5. Wiak, S., Nadolski, R.: Disc Type Motors for Light Electric Vehicles -Comparative
Study", The First Slovenian - Polish Joint Seminar onComputational and Applied
Electromagnetics, September 10 ’– 12, Maribor, S owenia 2001.
6. Wiak, S., Welfle, H., Nadolski, R.: Static and dynamic states analysis of disc type
motors for light electric vehicles. 15-th International Conference on Electrical
Machines ICEM'2002, 25-28 august 2002, Brugge - Belgium.
7. Wiak S., Nadolski R., Ludwinek K., Gaw cki Z.: DC Permananet Magnet Motor for
Electric Bike and their Impulse System for Battery Charging. 16-th International
Conference on Electrical Machine ICEM'2004, 5-8 September 2004, Cracov .
17
Any Question/Suggestion?
Thank for your kind
attention
Please.
18

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kamal seminaar ppt

  • 1. 1 A Seminar Presentation On “Brushless permanent magnet D.C motor for Electric Bike and impulse charging for their battery“ submitted in partial fulfillment for the award of the Degree of Bachelor of Technology in Electrical Engineering Supervisor: Submitted By: Mr. Mayank Ranjan Kamaldeep singh Asst. Proff. Department of Electrical Engineering Sri Balaji Technical Campus, Jaipur Rajasthan Technical University, Kota March-2015
  • 2. Introduction The introduction of the Research contain the following points have been discussed – • Why this research is useful? • Study the literature survey of this research. • About Ebike 2
  • 3. Pollution  Petrol fumes choke our atmosphere everyday and brings new evidence that our appetite for oil is poisoning the planet. If the state of affairs is already so bad, imagine the kind of the world future generations will inherit.
  • 4. Solution There is a solution for this – Electric Vehicles. They run on batteries, so there is zero expenditure on petrol and better still, no air pollution. Aside from being light on your pocket and light on your conscience, the no-petrol vehicle is easy to use, light weight and maintenance free, providing stress free experience. The advantages are obvious and the potential is limited only by your imagination. Clean, Green and Healthy.
  • 5. 5 1 Research Background •The recent development of integrated electric drives is closely related to the evolution of smart motor technologies. However, the development of new motor structures imposes higher requirements than conventional one. •Exemplary for vehicles for disabled people, electric bikes or electric scooter. In such a motors family induction motor and PM could take a Dominating role. • It wasn’t until 1998 when there were at least 49 different bikes manufactured by various companies. Production grew from 1993 to 2004 by an estimated 35%.Today, we are planning to continue on with the concept of the electric bike and look for new ways of making a more efficient and practical electric bike.
  • 6. What is an Electric Bike? Fundamentally, an e-bike is just a regular bicycle with an electric motor to provide additional assistance. You can pedal normally and just use the motor to help out on hills and headwinds, or use the motor all the time just to make riding easier. The experience is entirely different from riding say a gas scooter or motorbike. Here the electric assistance is perfectly smooth and silent, and it complements rather than supplants human power.
  • 7. Motor Application • The proposed the direct drive of electric bicycle, while the brushless PMDCM is mounted in hub of the ahead wheel of a bicycle has been seen in Figure. Authors propose, instead classical bike structure where second wheel is driven, ahead wheel to be driven. This philosophy of wheel driving gives the manufacturer to assemble such a bike according to the customer demand. The battery supplying system consists of two lead-acid accumulators. One part of the electronics control system is mounted on the handlebar, but the other one is mounted on the front guide fork. 7
  • 8. Cross section of the BLDCM
  • 9. General view of Ebike 9
  • 10. Batteries in Electric Bikes • Electric bikes use one of three types of batteries: 1) Lead Acid 2) Nickel Metal Hydride 3) Lithium Ion (Li Ion). • A typical battery in an electric bike will have approximately 250W – 500W power. • 1 types of batteries are explained as follows:
  • 11. Lithium Ion (Li Ion) batteries: The newest technology in batteries. They're pretty comparable to NiMH batteries, with the exception of these two differences: Lithium Ion batteries are a little bit lighter. A Lithium Ion battery will last about 800 full charge cycles before it needs to be replaced.
  • 12. Impulse Charging In order to extend the battery working time, leading to increase the bike travelling distance, the impulse electric circuit of transferring the energy coming from induced electromotive forces in DC motor windings is proposed. The battery charging goes during the so called generator braking.
  • 13.
  • 14. Approximate expense for 4 years Electric Bike 29,200km 10Ps for =1 Km= Rs 2,920 Bike Cost = Rs 48,000 Battery cost= Rs 10,000 Total Expense= Rs 60,920 Petrol Bike 29,200 km 584 litre = Rs 47888 Bike Cost = Rs 50,000 Total Expense= Rs 97,888
  • 15. Conclusion Purchase Electric bikes and save our Mother Earth.IT IS YOU! WHO CAN STOPPOLLUTION AND START A REVOLUTION!!
  • 16. References 1. Zhang Z., Profumo F., Tenconi A,”” Wheels axial flux machines for electric vehicle applications””, International Conference Electrical Machines (ICEM’’94), Conference Proceedings, Paris, Sept. 1994. 2. Consoli A, ”“Propulsion Drives for Light Electric Vehicles””, International Conference Electrical Machines (ICEM’’94), Conference Proceedings, Paris, Sept. 1994. 3. Wiak S., Welfle H., Kom za K., Mendrela E., ”“Electromagnetic Field Analysis of Disk-type Induction Motor””,International ConferenceElectrical Machines (ICEM 98), vol. 2/3, pp. 735-739, 2- 4 September 1998, Istanbul, Turkey 16
  • 17. References 4. Nadolski R., Gaw cki Z., Staszak J. Ludwinek K., “Gearless drive oflight electric vehicles on the example of the bicycle driven withbrushless DC motor with three”–phase winding””, 4th International Workshop on Research and Education in Mechatronics 2003,October 2003, University of Applied Sciences, Bochum, Germany. 5. Wiak, S., Nadolski, R.: Disc Type Motors for Light Electric Vehicles -Comparative Study", The First Slovenian - Polish Joint Seminar onComputational and Applied Electromagnetics, September 10 ’– 12, Maribor, S owenia 2001. 6. Wiak, S., Welfle, H., Nadolski, R.: Static and dynamic states analysis of disc type motors for light electric vehicles. 15-th International Conference on Electrical Machines ICEM'2002, 25-28 august 2002, Brugge - Belgium. 7. Wiak S., Nadolski R., Ludwinek K., Gaw cki Z.: DC Permananet Magnet Motor for Electric Bike and their Impulse System for Battery Charging. 16-th International Conference on Electrical Machine ICEM'2004, 5-8 September 2004, Cracov . 17
  • 18. Any Question/Suggestion? Thank for your kind attention Please. 18