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          A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

  Alternator (winding of the
     strands)







Imagine three, relatively long wires, insulated by a transparent coating. These strands are also described by the letters 'U', 'V' und 'W'. At one end, the three wires are connected with each other (star-circuit). In each case, only one end per strand remains. If you take a look at the above picture of the stator-windings, you'll see mainly the wires, whose windings are explained in the following paragraph. These wires are held by metal plates with a total of 36 vertical slots.

Have a look now only at the 'U' strand. Everything you see of the U strand is actually, all together, only one single wire, which is led through a slot upwards and three slots later led downwards again, always in a circle, until a small packet of windings of, lets say 10 wires in each slot is developed. In stronger generators there can be up to 30 wires. You can imagine, that the V- and the W strands do the same thing and that the slots are thereby filled. In the end, three ends remain, which you can clearly see soldered onto the rear diode-plate.

The so-called star-point, where the three windings are joined to each other, cannot be seen in the above picture. Important for the overall understanding, is that one strand from all 6 slots, e.g., leads upwards, thus corresponding to an angle 60 in relation to the complete 36 slots. Arranged on the claw pole rotor, in exactly this angle, there is one north- and one south-pole (from all together 6). The slotted metal plates are also known as transformer-plates. They are made from a soft metal which can change it's magnetic polarity especially quickly. 03/11




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Translator: Don Leslie - Email: lesdon@t-online.de

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