of 5  last word
  uses transducer to regard asynchronous electromotor as driver, the new reliability that although use advanced technology and parts of an apparatus to make,comes out is very high, but if use undeserved or haphazard also can produce the damage that causes transducer. In wanting to producing a course, use good transducer, be familiar with the structural principle of transducer, understand common trouble, attach most importance to especially to technical personnel should.  
The control circuit of    transducer and a few kinds of common breakdown are analysed
The control circuit of    transducer and a few kinds of common breakdown are analysed
The control circuit of    transducer and a few kinds of common breakdown are analysed
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