With global warming and environmental pollution more and more serious, traditional cars ’s exhaust and noise cannot be ignored. Developing efficient, energy conservation, zero release, cleaner electric car has been an auto industry development inexorable trend domestic and overseas.Electric Car is mainly made of dynamic drive system, power-supply system, and auxiliary system. In the primary loop of Electric car system, big current fuse should be installed to protect power-supply system. Power-supply system is mainly made of battery, power management system, and charger. It is particularly important that protect battery from damaging as short circuit occurs in the power-supply system. Once battery pack short out, it can produce bursts of energy flashily. And there is a danger of explosion and fire. What is more serious is that it endangers vehicles and passengers. To make sure the safety of vehicle-mounted electric appliances and passengers, and prevent the occurrence of short out or overload, generally fuse protection is first choice.
