ALEXANDRIA, Va., June 16 -- United States Patent no. 12,306,266, issued on May 20, was assigned to Rockwell Automation Technologies Inc. (Mayfield Heights, Ohio).
"Measuring DC link capacitance in power conversion systems" was invented by Zhongyuan Cheng (Kitchener, Canada), Navid Zargari (Kitchener, Canada) and Yuan Xiao (Kitchener, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A component includes a power suspension module that suspends providing power from a DC source to a DC link capacitor and from the capacitor to a load. A bleeding resistor is connected in parallel with the capacitor and an auxiliary power supply draws power from the capacitor. The component includes a measurement module that m...