IP Library › Granted Patent US 12,719,286
Granted Patent B2
US 12,719,286 · App. 18/347,381 · Granted Aug 25, 2026

Techniques for controlling a power electronics converter in an electric distribution grid

View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 12,719,286
App. No.
18/347,381
Filed
Jul 5, 2023
Granted
Aug 25, 2026
Kind
B2
Art Unit
2115
USPC
700/286
Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 14, 2023
From: FREIJEDO FERNÁNDEZ, FRANCISCO DANIEL
To: HUAWEI TECHNOLOGIES CO., LTD.
Reel/Frame 064582/0266 →
Continuity (2)
Continuation PCTEP2021050072 · Jan 5, 2021
Related Publication 20230344240A1 · Oct 26, 2023
References Cited (24)
US 6297621B1 · Hui et al. · 2001 [cited by applicant]
US 6459599B1 · Agirman et al. · 2002 [cited by applicant]
US 7271562B2 · Lee et al. · 2007 [cited by applicant]
US 7932691B2 · Son et al. · 2011 [cited by applicant]
US 9312779B2 · Liu et al. · 2016 [cited by applicant]
US 10454366B1 · Li et al. · 2019 [cited by applicant]
US 20140204633A1 · Khajehoddin et al. · 2014 [cited by applicant]
US 20140321173A1 · Jones · 2014 [cited by examiner]
US 20160218639A1 · Eren · 2016 [cited by examiner]
US 20190115820A1 · Fu et al. · 2019 [cited by applicant]
CN 109687459A · 2019 [cited by examiner]
CN 112039123A · 2020 [cited by examiner]
“A Physically Insightful Approach to the Design and Accuracy Assessment of Flux Observers for Field Oriented Induction Machine Drives”, published by Patrick L. Jansen et al. in 1994, [online], retrieved from <https://ie… [cited by examiner]
Moeini et al., “A DC Link Sensor-Less Voltage Balancing Technique for Cascaded H-Bridge Multilevel Converters With Asymmetric Selective Harmonic Current Mitigation-PWM”, IEEE Transactions on Power Electronics, vol. 33, … [cited by applicant]
Miskovic et al., “Robust Sensorless Control of Grid Connected Converters with LCL Line Filters Using Frequency Adaptive Observers as AC Voltage Estimators,” 2016 IEEE Applied Power Electronics Conference and Exposition … [cited by applicant]
Saeed et al., “Energization and Start-Up of CHB Based Modular Three-Stage Solid State Transformers,” IEEE Transactions on Industry Applications, vol. 54, total 9 pages, Institute of Electrical and Electronics Engineers,… [cited by applicant]
Miniböck et al., “Comparative Theoretical and Experimental Evaluation of Bridge Leg Topologies of a Three-Phase Three-Level Unity Power Factor Rectifier,” IEEE 32nd Annual Power Electronics Specialists Conference, total… [cited by applicant]
Kolar et al., “VIENNA Rectifier II—A Novel Single-Stage High-Frequency Isolated Three-Phase PWM Rectifier System,” IEEE Transactions of Industrial Electronics, vol. 46, No. 4, total 18 pages, Institute of Electrical and… [cited by applicant]
Jansen et al., “A Physically Insightful Approach to the Design and Accuracy Assessment of Flux Observers for Field Oriented Induction Machine Drives,” IEEE Transactions of Industry Applications, vol. 30, No. 1, total 10… [cited by applicant]
Miskovic et al., “Synchronous Frame and Resonant Adaptive Observers as Disturbance Estimators and their Applications in Power Electronics,” IEEE Energy Conversion Congress and Exposition (ECCE), total 8 pages, Institute… [cited by applicant]
Malinowski et al., “A Simple Voltage Sensorless Active Damping Scheme for Three-Phase PWM Converters with an LCL Filter,” IEEE Transactions on Industrial Electronics, vol. 55, No. 4, total 5 pages, Institute of Electric… [cited by applicant]
Freijedo et al., “New Algorithm for Grid Synchronization Based on Fourier Series,” European Conference on Power Electronics and Applications, total 6 pages, Institute of Electrical and Electronics Engineers, New York, N… [cited by applicant]
Fernàndez, “Contributions to Grid-Synchronization Techniques for Power Electronic Converters,” Electronic Technology Department, Vigo University, total 56 pages (Jun. 9, 2009). [cited by applicant]
Marks et al., “Predictive Transient-Following Control of Shunt and Series Active Power Filters,” IEEE. Transactions On Power Electronics, vol. 17, No. 4, Institute of Electrical and Electronics. Engineers, USA, total 11… [cited by applicant]