Inventor
AHMED AHMED MOHAMED SAYED
US14 patents
⚠️ This page may combine multiple inventors who share the name “AHMED AHMED MOHAMED SAYED”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ROCKWELL AUTOMATION TECH INC
7 patentsUS9270286B2Feb 23, 2016
Phase lock loop with cascade tracking filters for synchronizing an electric grid
ROCKWELL AUTOMATION TECH INC3 citations73
US9960723B2May 1, 2018
Motor drive with resonance detection and impedance computation
ROCKWELL AUTOMATION TECH INC3 citations72
US8373406B2Feb 12, 2013
Electrical power quality test circuitry and method
ROCKWELL AUTOMATION TECH INC6 citations72
US10263558B2Apr 16, 2019
Phase loss detection in active front end converters
ROCKWELL AUTOMATION TECH INC2 citations64
US9124245B2Sep 1, 2015
Adaptive online filter for DC offset elimination
ROCKWELL AUTOMATION TECH INC1 citations52
US9535133B2Jan 3, 2017
Industrial system phase sag detection
ROCKWELL AUTOMATION TECH INC0 citations41
US9847733B2Dec 19, 2017
Power conversion system with DC bus regulation for abnormal grid condition ride through
ROCKWELL AUTOMATION TECH INC0 citations39
KERKMAN RUSSEL J
3 patentsUS8704571B2Apr 22, 2014
Phase-locked-loop with quadrature tracking filter for synchronizing an electric grid
KERKMAN RUSSEL J9 citations82
US9651592B2May 16, 2017
Impedance detector apparatus and method
KERKMAN RUSSEL J7 citations78
US8816729B2Aug 26, 2014
Phase-locked-loop with quadrature tracking filter for synchronizing an electric grid
KERKMAN RUSSEL J0 citations40