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When overheating, the temperature of the part rises above the operating temperature. Overheating can take place: if heat is produced in more than expected amount (such as in cases of short-circuits, or applying more voltage than rated), or; if heat dissipation is poor, so that normally produced waste heat does not drain away properly.
Such high-charging rates are possible only with some battery types. Others will be damaged or possibly overheat or catch fire. Some batteries may even explode. [9] For example, an automobile SLI (starting, lighting, ignition) lead–acid battery carries several risks of explosion. A newer type of charger is known as a solid-state charger.
Dieseling (in the sense of engine run-on, and disregarding combustible gaseous mixtures via the air intake) can also occur in diesel engines, when the piston or seals fail due to overheating, admitting engine oil into the cylinder. A structurally failing diesel engine will often accelerate when the throttle is released, even after fuel ...
On September 3, 2023, a BYD Atto 3 suffered smoke and heat damage to the engine compartment when charging at a charging station in Mueang Udon Thani district, Udon Thani, Thailand. Investigation showed that the damage was caused by a wire attached to the 12 V lead–acid battery, not the vehicle's main EV battery pack.
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In three recent cases, electric vehicles wouldn't power up after charging faults at Electrify America sites. We looked at each case to diagnose what went wrong. Charging Station Goes Boom, EV Won ...
A pair of lights indicate insufficient (cold, blue) and excessive (hot, red) engine temperature. [8] A single light usually indicates only an overheat condition in engine. In electric cars, it is usually to monitor the EV battery temperature and indicate the EV battery is overheating or is too cold to operate. One example is in a Nissan Leaf EV.
In an internal combustion engine, a head gasket provides the seal between the engine block and cylinder head(s). Its purpose is to seal the combustion gases within the cylinders and to avoid coolant or engine oil leaking into the cylinders. [1] Leaks in the head gasket can cause poor engine running and/or overheating.