Honda CB350 CL350 [119/219] Electrical parts j 08

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J 08 5 ELECTRICAL PARTS 5 4 POWER CIRCUIT A A C Generator The operating principle of the A C generator is the same as for the flywheel magneto or the D C generator Electricity is produced by the iron core cutting across the magnetic field Fig 5 26 A C generator In an A C generator the voltage produced changes direction alternatively the frequency per revolution being dependent upon the number of magnetic pole pieces One frequency change cycle occur each revolution for two pole pieces As an example a six pole A C generator will have 3 frequency change cycle occuring every revolution The change in output voltage is dependent upon the strength of the magnetic field This change is brought about by the number of poles magnetic strength of poles speed of the gener ator or by the number of windings in the coil The advantage of the A C generator is that the malfunction as compared to the other type generator is far less due to its simple construction and fewer moving parts which are subject to wear Fig 5 27 Construction of the A C generator Another major advantage is that the kick starter can be employed as an auxiliary starting method whenever the battery is completely dis charged This is possible since the A C generator induces a large voltage which when fed through the rectifier to the ignition coil or when fed directly to the ignition coil will produce spark sufficiently large to produce an ignition spark This feature is a benefit since the battery mounted on motorcycle is a rather low capacity type and the battery often becomes completely dis charged due to carelessness Fig 5 26 27 28 B Current Limiter The Pointless Regulator is used to prevent the battery from overcharging during long period of driving at high speed Pointless Regulator used on the Honda 250 350 is a new SCR Silicon controlled rectifier type which has no moving parts an electronic relay utilizing the special features of the semi conductor It is compact light and easy to install Its biggest advantage is that it provides very stable control of the output voltage and its use is semi permanent

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