12th Jul 11 14:23<< Go back to news
In vehicles with HV Systems, components are installed which operate on voltages above 60 V DC or 25 V AC. The components in these vehicles require partly higher electrical power ratings.
The HV networks in hybrid vehicles operate on DC up to 650 V and have to provide high electrical energy.
On coming in contact with voltage carrying HV components, currents can flow through human bodies, which make them extremely dangerous.
The hearts impulse rhythm can be affected by the strong electrical charge from the HV when coming into contact with a human body, the damage of which is dependant upon the duration of current flow. The longer the body comes into contact with a high current the more long term damage is caused; the high electrical currents have also been know to cause severe burns as well as ventricular fibrillations.
There is also a danger of the electrical arc formation when working on the vehicle that has short circuited between the two poles within the HV system. An electric arc is an electrical breakdown of a gas which produces an ongoing plasma discharge, resulting from a current flowing through a normally nonconductive media such as air. This can inflict serious damage to the eyes and external burns to the body.
Working on the new HV can be very dangerous and it is important that all safety aspects are taken into consideration before servicing the vehicles.
If you would like to find out more about Hybrid vehicles and how to work safely on them, then we have the course for you- VSH24 Bosch Hybrid Electric Vehicles; Level 2 QCF £350 + VAT available regionally.
If you are interested in booking a place or have any further enquires then please call 0845 600 6048 or email autoeducation@andrewpage.com
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