Common types including multispeed a-c motor, wound rotor a-c motor, modified Kraemer drive, constant voltage d-c motor, adjustable d-c drive with motor generator set, adjustable voltage d-c drive with static power supply, and electromagnetic drives; selection of most economical drive for particular machine or industrial processes, from point of view of their progressive automation.
Applying adjustable-speed drives
Automation
Automation ; 7 , n 7
1960
5 pages
Aufsatz (Zeitschrift)
Englisch
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