VSCF system with DC link harmonics control

Details VSCF system with DC link harmonics control VSCF system with DC link harmonics control

1989-10-30

1991-05-14

Stephan, Steven L.

Electric power conversion systems

Current conversion

With means to introduce or eliminate frequency components

307105, 318811, 388811, H02M 112

Patent

active

050161571

ABSTRACT:
The problem of reducing harmonic content of AC bus voltage in a power system (10) is minimized using a controller (30) for a PWM inverter (38). The controller (30) develops a duty cycle command on a line (40) for controlling operation of the PWM inverter (38). The controller (30) develops the duty cycle command to maintain the PWM inverter output voltage at a desired level. This duty cycle command is modulated in accordance with the harmonic content evident on a DC bus (34) which supplies power to the PWM inverter (38).

REFERENCES:
patent: 4067057 (1978-01-01), Taddeo et al.
patent: 4382275 (1983-05-01), Glennon
patent: 4527226 (1985-07-01), Glennon
patent: 4763059 (1988-08-01), Espelage et al.
patent: 4812669 (1989-03-01), Takeda et al.
patent: 4906860 (1990-03-01), Asaeda

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