What Causes Severe Overheating in a Car's Alternator?

1 Answers
SanTanner
07/30/25 2:37am
It is normal for an alternator to generate heat during operation. The car alternator serves as the primary power source for the vehicle, functioning to supply electricity to all electrical devices (except the starter) while simultaneously charging the battery when the engine is running normally. Based on the three-phase stator winding of a standard AC alternator, additional winding turns and lead-out terminals are incorporated, along with an extra set of three-phase bridge rectifiers. Here is additional information: Principle of a gasoline generator: A gasoline engine drives the generator to operate, converting the energy of gasoline into electrical power. Inside the cylinder of the gasoline engine, the mixed gas combusts violently, rapidly expanding in volume, which pushes the piston downward to perform work. Whether it's a diesel generator or a gasoline generator, each cylinder performs work in a specific sequence. The thrust acting on the piston is transformed into a force that rotates the crankshaft via the connecting rod, thereby driving the rotation of the crankshaft.
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