Method and apparatus for adjusting power delivered from a centra

Details Method and apparatus for adjusting power delivered from a centra Method and apparatus for adjusting power delivered from a centra

1998-12-28

2000-09-26

Berhane, Adolf Deneke

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

323206, H02M 304

Patent

active

061250481

ABSTRACT:
A power delivery apparatus and method which calibrates a voltage delivered from a central unit to a remote unit to compensate for losses in the supply lines between the central unit and remote unit is disclosed. The impedance of the supply lines is determined utilizing a reference voltage conducted by a calibration line, a sweep tone transmitted down the supply line, or a time domain reflectometer technique. Based upon the determined impedance of the supply lines, the voltage delivered from the central unit can be calibrated accordingly. Alternatively, the impedance can be determined and the voltage calibrated based on the measured input voltage to the remote unit or the measured power level of a signal transmitted from the remote unit.

REFERENCES:
patent: 4041455 (1977-08-01), Norberg
patent: 4286118 (1981-08-01), Mehaffey et al.
patent: 4476535 (1984-10-01), Loshing et al.
patent: 5970139 (1999-10-01), Koenig et al.

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