| Summary: | The analysis and generalization of principles of construction of current impulses reshapers for the contact welding is conducted, taking into account new decisions in this domain and its progress modern trends. Signs on which it is possible to classify such devices are selected, and on the basis of these signs their modern classification is made. With the use of the offered classification chart the most perspective principle of construction of impulses reshapers for microwelding is selected. That is accumulation energy type reshaper of impulses without transformer on the basis of transistor regulators, workings in the continuous mode.
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