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Message: <blockquote data-quote="Ansimp" data-source="post: 96694" data-attributes="member: 2637"><p>There is no real heat in the stator windings except the engine heat. When you pass the ac current through the rectifier you then generate some heat depending on the load. The main heat that is generated at the rectifier/ regulator is when excess current is sunk to ground to prevent over charging of the battery. The regulator/rectifier is designed to take this heat and dissipate it through the heat sink. The less load the hotter the heat sink. If you use a Mofset regulator/ rectifier it switches on and off the ac from the stator to regulate the voltage. The stator does not run at full output as it does with the original rectifier/regulator. The heat that you have all seen at the stator plugs is caused by arcing across a bad connection which generates heat like an arc welder does thus melting the plugs. The charge circuit is 300 watts which is 25amps (300w/12v = 25a). In real terms it is more like 20 amps when you use a higher charging voltage of 15. A 21w incandescent bulb uses 1.5 amps at 14 volts (21w/14v= 1.5a)</p></blockquote><p></p>