Waveform corrector

Details Waveform corrector Waveform corrector

1990-08-22

1991-09-24

Wong, Peter S.

Electricity: power supply or regulation systems

For reactive power control

Using impedance

323263, 333167, G05F 170

Patent

active

050516850

ABSTRACT:
A waveform corrector for providing correction to three-phase electrical power to correct for transient and harmonic distortion arising from electrical power cable reactance wherein the cable head end voltage and current are sensed without load end voltage or current sensing. Phase and neutral current values are sensed and corrected with predetermined values of cable resistance and inductance to provide a corrected sine wave voltage at the load end of the cable achieved by inserting a dynamic correction voltage in series with the electrical output of the waveform corrector.

REFERENCES:
patent: 4057737 (1977-11-01), Rasquin
patent: 4204129 (1980-05-01), Hutchins, Jr.
patent: 4554504 (1985-11-01), Dillon
patent: 4725739 (1988-02-01), McCartney et al.
patent: 4950916 (1990-08-01), Moran

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