Dynamic current feedback magnetizing type series or compound DC

Details Dynamic current feedback magnetizing type series or compound DC Dynamic current feedback magnetizing type series or compound DC

1993-07-08

1995-04-18

Ro, Bentsu

Electricity: motive power systems

Field or secondary circuit control

Plural, diverse or diversely connected or controlled sources...

318523, 318245, H02P 718

Patent

active

054081661

ABSTRACT:
Dynamic current feedback for a main motor-generator is provided by an auxiliary generator which supplies power directly to the main excitation field winding of the main motor-generator, rather than to an auxiliary shunt field winding as in a prior design, the main auxiliary generator in turn being driven by a current-follower type DC motor whose speed depends on the amount of current passing through the main motor-generator armature or the voltage drop across the main motor-generator series winding in the case of a series or compound main motor-generator. The current supplied by the auxiliary generator to the main excitation field winding of the main motor-generator can have either the same polarity as the main excitation field winding of the main motor-generator, or an inverse polarity, to provide positive or negative feedback.

REFERENCES:
patent: 2411377 (1946-11-01), Kimball
patent: 2462171 (1949-02-01), Erbe et al.
patent: 2686288 (1954-08-01), Pestarini
patent: 3242407 (1966-03-01), Hansen

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