Method and device for producing rectifier gating signals...

Details Method and device for producing rectifier gating signals... Method and device for producing rectifier gating signals...

2007-09-11

2007-09-11

Laxton, Gary L (Department: 2838)

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

C363S085000, C363S089000

Reexamination Certificate

active

11206734

ABSTRACT:
A device includes an active rectifier (14) having control gates controllable to produce an output voltage on a DC bus (20), a gate control circuit (16) for producing gate control signals for controlling the active rectifier control gates, a first circuit (18) connected to the gate control circuit (16) for producing a command current magnitude signal and a power factor signal for use by the gate control circuit (16), a current line (30) providing a signal related to the DC load current to the first circuit (18), and a voltage line (32) providing a signal related to the DC bus voltage to the first circuit (18). The first circuit (18) includes a command current magnitude signal generator (34) producing the command current signal based on the DC load current and a power factor controller (44, 48) producing the power factor signal. The power factor controller (44, 48) includes a feed forward circuit (52, 56) for increasing the power factor signal in response to current fluctuations on the current line (30). Also a method of controlling a voltage on a DC bus with the device.

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patent: 2004/0005001 (2004-01-01), Jones et al.
patent: 61-164307 (1986-07-01), None

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