Single-core inductor generator for welding producing multiple, mutually-independent outputs
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United States of America Patent
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Sep 3, 1985
Grant Date -
N/A
app pub date -
Jun 27, 1983
filing date -
Feb 8, 1983
priority date (Note) -
Expired
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Abstract
An inductor generator for welding in which: a plurality of generator elements are combined and incorporated in a single generator and respectively provided with excitation windings to render the generator elements self excitable; a constant-current control circuit is inserted between each excitation winding and corresponding field winding in order to stabilize the field current which has been once set. The constant-current control circuits are so mutually connected that compensation operation is possible so that, when the field current of any of the generator elements is varied, fluctuations of the output values of the other generator elements are prevented, these fluctuations otherwise being due to various effects acting mutually between the generator elements, particularly magnetic effect, in spite of the fact that the field currents of the other generator elements are being maintained at their set values. As a result the above described problems of the prior art are overcome.
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