The composition of the power supply system and the operating principle of the power supply system
When the initiator is not operating, the initiator does not rotate and does not generate generation voltage and charging current. Battery positive terminal through a conductor, and the positive ideas to the charge of the generator using a machine wire concatenated, connected to the generator armature terminal, and complete grounding through internal rectifier and generator shell because is composed, diode rectifier generator out of power, the forward voltage of battery supply generator rectifier diode is reverse cut-off, resistance of infinity is equal to open circuit, at the moment, the power system operation process, only alone to the car battery power supply distribution system, supply voltage, generator in the storage battery for power supply load condition.
When starting operation, the armature terminal generation voltage occurs, because the generator generation voltage is higher than the open circuit voltage of the positive and negative electrodes of the battery, so the battery begins to charge. The battery is now equivalent to a load of the generator, and together to the whole car power distribution system supply power generation voltage, because the current design of the car generator output power is relatively large, when the whole car power distribution system in a large load, can also meet the demand, and keep the battery in sufficient condition. But choose small capacity of the battery, only use its satisfaction when the starter needs, or satisfied with ACC block body electrical system short time operating system needs. That is to say, when the generator is in the state of power generation, the battery and the whole vehicle distribution system are equivalent to the load of the generator, only the generator is in the state of power supply.
