Patent ID: 9665117
Date: 2017-05-30
CPC Classifications: G05F

Claim:
1. A method for controlling an SCR based power supply, comprising: providing an SCR based power supply including at least a user interface, said user interface configured for allowing a user to enter one or more of a desired power supply power output value, a power supply output voltage value or a power supply output current value, said SCR based power supply further including a controller, an SCR firing circuit and a dither signal generator; said SCR based power supply receiving, from the user interface, at least one of said user entered desired power supply output voltage value, said power supply current output value, or said power supply power output value; providing, by said SCR based power supply said user entered least one of said power supply output voltage value, said power supply output current value or said power supply power output value to a dither generator; and responsive to said received at least one of said power supply output voltage value, said power supply output current value or said power supply power output value, said dither generator configured to provide a dither control signal, wherein said dither control signal is provided utilizing dithering setpoints according to the formula where N is the number of samples; where k is the index; and where X