Vector control systems for multiphase a.c. machines

Details Vector control systems for multiphase a.c. machines Vector control systems for multiphase a.c. machines

1987-02-13

1988-10-25

Smith, Jr., David

Electricity: motive power systems

Induction motor systems

Primary circuit control

318808, 318800, H02P 540

Patent

active

047806575

ABSTRACT:
A control system for an M-phase a.c. machine which measures the currents in at least (M-N) phases, where N=2 if M is even and N=1 if M is uneven, measures the instantaneous values of the voltages in (M-N) phases and obtains control signals for alteration of the input voltage and/or current to the motor to maintain the motor in an efficient running condition.

REFERENCES:
patent: 4431957 (1984-02-01), Chausse et al.
patent: 4441065 (1984-04-01), Bayer et al.
patent: 4470000 (1984-09-01), Heinle
patent: 4484128 (1984-11-01), Jotten et al.
patent: 4511978 (1985-04-01), Reng
patent: 4593240 (1986-06-01), Blasche

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