Insulation monitoring tech for electric bike

Insulation monitoring tech for electric bike

Technology News |
By Nick Flaherty

Bath Zero developed The Phoenix electric bike for the 2019 SES TT Zero class race. It completed the island’s 264-corner 37.5-mile course in 23 minutes 52 seconds, at an average speed of just under 95mph, and reached 100mph in nine seconds and hit a top speed of 162mph. Despite that, it came fourth behind the Japanese Mugen and Mirai professional teams.

Bender’s IR155 insulation monitoring device uses patented measurement technology to monitor insulation resistance on the AC motor and DC side of the bikes electrical drive system.   It continuously measures insulation resistance between 0 and 10MΩ, signalling insulations faults even under the high system interferences caused by motor control processes, acceleration and energy recovery.

Team Bath Zero developed The Phoenix electric bike with battery modules, electronics, sensors, chassis and carbon fibre fairings. Standard parts such as wheels, brakes and suspension members were donated by 30 industry sponsors. 

”This is a massive achievement by a team of six undergraduate final year students studying mechanical, electrical and integrated mechanical and electrical engineering courses, hugely assisted by university technical support staff,” said Prof Tony Miles, the Bath Zero Team’s academic supervisor.Advances in battery technology are the key to commercial production of the electric bikes.  The Bath Zero’s battery package is designed to deliver its full charge over a single 37.5-mile lap but in normal use the bike could have a range of up to 250 miles.   

The team will be reformed for next season with a new group of students who will develop a new bike and continuing to race The Phoenix.

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