Abstract
A remote-controlled experiment for power electronics was developed for a virtual laboratory. Power converter experiments were set up, allowing students to conduct a remote-controlled experiment with special hardware and electric power. Students can activate parameter controls, connect wires, and tune electric load conditions with preset electronic laboratory instruction. Waveforms and experimental voltage and currents are measured, and the results can be delivered to users via the internet. The virtual laboratory features lecture notes and other computer simulations to improve learning. The development was used in a class of a power electronics course, in which students participated in a trial of the virtual experiment. The feedback from the students was very positive, and it was observed that students displayed better time management and improved learning and understanding of laboratory procedure as compared to a conventional laboratory class.
Highlights
Most engineering subjects require spending considerable time in a laboratory class to gain a practical and deeper understanding of the subject
It allows university students to first power electronics virtual laboratory based in Hong Kong
Users make use of an internet browser as an interface to connect the virtual laboratory through the world wide web (WWW)
Summary
Most engineering subjects require spending considerable time in a laboratory class to gain a practical and deeper understanding of the subject. Most laboratory classes were conducted in hardware laboratories This implied certain concerns regarding learning and utilization. May not have the chance to conduct each step of the experiment. The facilities, such as space and supporting staff, may not able to cope with all students if each student is provided with their own setup. A typical minimum requirement of a staff to student ratio is 1:10 in most laboratories. This imposes further difficulties for long operations, the organization of manpower, and safety
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