The application of fuses in new energy?
1、 Application in electric vehicles
Battery pack protection:The power system of electric vehicles relies on high-voltage battery packs, so the
safety protection of battery packs is crucial. Fuses are widely used between the positive and negative
poles of battery packs, as well as at the connection between battery packs and motor controllers, to
prevent battery damage or fire caused by current overload or short circuit.
Distribution box protection:The power distribution unit (PDU) of an electric vehicle is responsible for
managing and controlling various high-voltage electrical equipment on the vehicle. The distribution box
usually contains multiple fuses, corresponding to high-voltage electrical equipment such as car chargers
(OBC), DC converters (DC), electric compressors (EC), and heating systems (PTC), to ensure that these
devices operate within their normal working range and prevent equipment damage caused by abnormal
current.
2、 Application in solar energy storage system
Inverter protection:In solar power generation systems, inverters are key equipment that convert the
variable DC voltage generated by solar panels into AC power at the mains frequency. Fuses are used to
protect inverters from the effects of current overload, short circuits, and other faults, ensuring the stable
operation of the inverter and the safety of the system.
Battery energy storage protection:The battery pack in solar energy storage systems also requires fuse
protection. When there is current overload or abnormal temperature rise in the battery pack, the fuse can
quickly cut off the circuit, preventing further damage to the battery or causing a fire.
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