See below for the innovations and creation of some Final Year Projects done by students from the Diploma in Energy Systems and Management (DESM). These projects demonstrate the ability of DESM students to integrate both knowledge and skills through a Design Thinking process to develop smart and sustainable solutions that will benefit both the community and our Nation.
± Solar Car Projects
The Solar Car Project is a cross-school, multi-disciplinary project aimed at producing Committed And Resilient Engineers (CARE), able to handle the challenges of our increasingly competitive and demanding world. In taking on a project with a strong environmental focus, we hope to raise public awareness in renewable energy and sustainable transportation.
The SunSPEC5, built by a team of students and staff from the Singapore Polytechnic, has the following key features:
• Futuristic aerodynamic (low drag) design
• Carbon fibre composite body
• Double wrist bone suspension system
• Hydraulic braking system
• 5.0m2 of Mono-Crystalline panel
• Twin brushless DC motors
• Digital instrument display
• Average speed: 75kmph
• Top speed: 85kmph
Singapore Polytechnic is the only Polytechnic entrant in the World Solar Challenge 2017. For the students who participated in the race, it has been a tremendous learning experience as they were called out of their comfort zone to face the unknown and put on their mettle at every turn in the Australian outback.
The SunSPEC4 had participants in the Cruiser Class race some 3,000km across the breadth of Australia from Darwin to Adelaide from 18/10/2015 to 25/10/2015, without a single drop of fuel and with only one mid-point charging station.
The car operated on actual roads, at road speeds and powered only by the sun. This is the third time that SunSPEC4 is participating in the World Solar Challenge for the third time, with SunSPEC4 as its first entrant in the Cruiser Class. The car is equipped with 6 m2 of solar cells, two units of 2 kW brushless DC. motor mounted and a 15 kWh of Lithium-Ion battery bank. The car body is made of carbon fibre and the entire car is supported with double Wishbone Suspension and four wheels with low rolling resistance tyres.
The SunSPEC3 built by the team of students and staff from the Singapore Polytechnic, had participated in Australia competing in the Bridgestone World Solar Challenge from 6/10/2013 to 13/10/2013, running over 3000km from Darwin to Adelaide and powered only by the sun.
The car is equipped with 6 m2 of solar cells, two units of 1000W brushless DC motor mounted and a 5 kWh of Lithium-Ion battery bank. The car body is made of carbon fibre and the entire car is supported with double Wishbone Suspension and four wheels with low rolling resistance tyres.
The project required students to design a mechanically stable structure that can support 800W solar panels, an electric motor, and electric systems such as energy storage, charge controller and control circuits. The car participated in Shell Eco-Marathon Asia 2012 and won the GOLD in the solar car category.
The students made and designed the first prototype of solar car that can capture solar energy for generating electricity and driving a car. The solar car was powered by 560W solar panels and driven by a motor and battery bank. The electronic control circuits were used to control speed of car and gain maximum energy efficiency.
± Smart Micro-Grid System
Smart Micro-Grid Development (industrial project)
In collaboration with ST Kinetics, students designed and developed the modern microgrid electrical power system that integrated multiple energy sources, energy storage, and power electronic controllers to supply various loads in an efficient and reliable way.
A web-based real-time system monitoring and control, as well as data analysis were also included in this system.
Mobile Power Solution (industrial project)
In collaboration with ST Kinetics, students designed and built a smart mobile electrical power supply system that integrates a diesel genset, solar PV modules and energy storage to meet local power requirements with high energy efficiency and high power availability.
The system was useful to various civil or military applications, such as in urban community, remote area functions or disaster relief.
Optimising Home Energy With DC Microgrid
In this project, students designed and built a prototype home electrical energy system that is able save energy and promote a healthy living in a fun way through a game using modern DC microgrid technologies.
± Renewable Energy
Regenerative Fuel Cell System (R&D project)
In collaboration with NTU, students designed and developed a computer monitored and controlled regenerative fuel cell energy system that was able to automatically generate and store hydrogen which supplies a fuel cell to produce electrical power whenever needed.
Solar Powered Fan
The students use one solar panel to harvest the solar energy and drive two DC fans directly without energy storage battery.
The solar powered fans can be used for outdoor activities to cool down the participants and make them feel comfortable.
Solar Powered Tent
Students designed a mobile solar powered tent for people to get electricity in outdoor activities like camp or during natural disaster such as Tsunami and quake. The tent is equipped with LED light, DC fan and electronic mosquito expeller.
Solar Garden Tree
Students designed and built a Solar Garden Tree that has solar panels to charge a battery during day time and light up LED light bulbs automatically at night to illuminate the garden.
This tree has eight branches each with a 18V, 5W solar panel,a 12V and 24Ah battery and 4 LED bulbs of of 12V, 0.3 amps each. The bulbs are wide angle with 60 degrees spot beam angle. The tree had a charge controller to charge the battery and a timer to automatically time the ON and OFF of the LED lamps.
Solar Trash Compactor
Students built a solar trash compactor that compresses the trash once it reaches a maximum level, thus make room for further trash and thereby increasing the capacity of the trash bin. It also reduces the carbon emission by reducing the number of trips made by the transport in clearing the rubbish.
± Green Mobility
6-seater Solar Powered Buggy (industrial project)
In collaboration with JTC Chinese Garden, the students designed a solar system to power a 6-seater buggy for the Garden to conserve the energy use from power utility, prolong the lifetime of expensive batteries and reduce maintenance cost.
Solar Powered Tricycle (industrial project)
In collaboration with Sanyo, the students designed and built a solar powered tricycle consisting of a 195W solar panel mounted on top of the tricycle and the rechargeable battery for energy storage.
The system can convert the sunlight directly to electricity for a rider to run the tricycle on the road.
Hybrid Powered Scooter
Students have converted a normal lead-acid battery powered scooter into a scooter with hybrid power that integrates solar PV, fuel cell and Li-ion batteries for improved driving
Fuel Cell Powered Wheelchair
Students have designed and built a fuel cell powered electric wheelchair which runs on clean and green hydrogen energy with longer driving range and faster charging time.
The wheelchair has an easier joystick controller as compared to a normal wheelchairs powered by a normal lead-acid battery.
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