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Engineering students develop regenerative braking system
Thiruvananthapuram: A team of final year Electrical Engineering students at Sarabhai Engineering College here has developed an electrical scooter with a regenerative braking system that promises better efficiency and longer range of operation.
The team, comprising Aswathy Chandran, Binosh Mohan, Neena G.K, Parvathy V and Vaishak Murali, claims that the scooter developed by them will help to overcome most of the inherent drawbacks of electric vehicles.
The students say the driving unit of the scooter employs newly developed circuits that are more durable and efficient.
The driving MOSFETs (Metal Oxide Semiconductor Field Effect Transistors) are controlled by an optocoupler via a microcontroller. As a result, the system can be operated on 12 V compared to the 48 V currently in use in other electric vehicles.
The regenerative braking system used in the vehicle is a unique feature that charges the battery every time the brake is applied. The electrical braking system is more efficient than the conventional mechanical braking, Binosh Mohan says.
Another feature of the scooter is regenerative charging. While running, the motor acts as a generator and charges the battery. The vehicle includes a digital display system that shows the load level, voltage and speed.
The students were guided in their project by A. Renjith, lecturer.
LINK:http://www.hindu.com/2011/03/28/stories/2011032860190500.htm
Thiruvananthapuram: A team of final year Electrical Engineering students at Sarabhai Engineering College here has developed an electrical scooter with a regenerative braking system that promises better efficiency and longer range of operation.
The team, comprising Aswathy Chandran, Binosh Mohan, Neena G.K, Parvathy V and Vaishak Murali, claims that the scooter developed by them will help to overcome most of the inherent drawbacks of electric vehicles.
The students say the driving unit of the scooter employs newly developed circuits that are more durable and efficient.
The driving MOSFETs (Metal Oxide Semiconductor Field Effect Transistors) are controlled by an optocoupler via a microcontroller. As a result, the system can be operated on 12 V compared to the 48 V currently in use in other electric vehicles.
The regenerative braking system used in the vehicle is a unique feature that charges the battery every time the brake is applied. The electrical braking system is more efficient than the conventional mechanical braking, Binosh Mohan says.
Another feature of the scooter is regenerative charging. While running, the motor acts as a generator and charges the battery. The vehicle includes a digital display system that shows the load level, voltage and speed.
The students were guided in their project by A. Renjith, lecturer.
LINK:http://www.hindu.com/2011/03/28/stories/2011032860190500.htm
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