2013年8月6日星期二

Which not brushes electrical machinery’s erroneous zone to have

Not brushes the electrical machinery you to know? If you pay attention to our website frequently the news information, believed that has many friends to know electric motorcycle hub motor the answer, today by slightly arranges for everybody introduced that which not brushes electrical machinery’s erroneous zone to have, hoped that can have the help to the friends.
Very many people see the model to use not to brush the electrical machinery, they use are the battery power supply, therefore very many people have had such an erroneous zone in the knowledge, thought that not electric motors for bicycles brushes the electrical machinery is the direct current machine, is in effect it is not so, not brushes the electrical machinery to belong to the alternating current machine, is the three-phase AC magnetoelectric machine’s one kind, the input model not brushes the electrical machinery 3 wires the electric currents electric motor for bicycle is the alternating current, but this kind of alternating current is not the 50HZ city electricity sine wave, but from not brushes the electrical machinery controller (popular name not to brush the three-phase alternation rectangular wave which electricity accent) modulates, the frequency is higher than 50HZ are very many, and changes along with the electrical machinery rotational speed change

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