Electricity: motive power systems – Nonrunning – energized motor
Patent
1982-06-25
1984-07-31
Smith, Jr., David
Electricity: motive power systems
Nonrunning, energized motor
318709, H02P 128
Patent
active
044632959
ABSTRACT:
An electric converter motor of synchronous design is used as a hoist by supplying two legs of the stator winding with DC current from a frequency converter to maintain the field during standstill. The converter is connected to the power network.
REFERENCES:
patent: 1937371 (1933-11-01), Willis et al.
patent: 1966940 (1934-07-01), Willis
Siemens Aktiengesellschaft
Smith Jr. David
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