H02J 3/50
Controlling the sharing of reactive power
H02J3/50 (Controlling the sharing of reactive power) appears on 485 US grants and 557 published applications in this corpus.
Search patents in H02J- Granted patents
- 485
- Published applications
- 557
- Assignees
- 252
- Inventors
- 1,167
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 3 |
| 2003 | 2 | 2 |
| 2004 | 0 | 3 |
| 2005 | 3 | 7 |
| 2006 | 4 | 4 |
| 2007 | 7 | 6 |
| 2008 | 6 | 8 |
| 2009 | 6 | 9 |
| 2010 | 7 | 21 |
| 2011 | 14 | 27 |
| 2012 | 10 | 24 |
| 2013 | 16 | 30 |
| 2014 | 20 | 32 |
| 2015 | 21 | 41 |
| 2016 | 30 | 42 |
| 2017 | 35 | 32 |
| 2018 | 48 | 28 |
| 2019 | 39 | 31 |
| 2020 | 36 | 38 |
| 2021 | 29 | 33 |
| 2022 | 37 | 38 |
| 2023 | 24 | 27 |
| 2024 | 37 | 29 |
| 2025 | 28 | 26 |
| 2026 | 14 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System for controlling voltage and reactive power for an electrical grid11 Aug 2026US 12,706,479 B2WSP USA Inc.
- System-level low voltage ride-through control for the renewable power plant connecting to weak grid4 Aug 2026US 12,700,735 B1North China Electric Power University
- Systems and methods for AC optimal power flow modeling for unbalanced distribution systems23 Jun 2026US 12,665,423 B2Arizona Board of Regents on behalf of Arizona State University
- Grid-tied power supply system and related device thereof9 Jun 2026US 12,651,905 B2Huawei Digital Power Technologies Co., Ltd.
- Process for controlling low voltage microgrids2 Jun 2026US 12,646,949 B2Universidade Estadual Paulista “Julio De Mesquita Filho” —UNESP
- Adaptive controlof grid-service enabled equipment with integrated energy storage1 Oct 2026US 2026/0302797 A1Carrier Corporation
- Method and system of analyzing power grid voltage stability considering renewable energy source control switching, electronic device, storage media and computer program product10 Sep 2026US 2026/0269614 A1China Electric Power Research Institute
- Intelligent electronic device, voltage control system, and voltage control method3 Sep 2026US 2026/0261128 A1Mitsubishi Electric Corporation
- Supply/demand adjustment control device, supply/demand adjustment control method, integrated supply/demand adjustment method, and program20 Aug 2026US 2026/0245154 A1Mitsubishi Heavy Industries, Ltd.
- Transient voltage support method and apparatus for energy storage converter, device, and storage medium6 Aug 2026US 2026/0229899 A1Contemporary Amperex Technology Co., Limited
Most cited
By later US patents
- Power conversion system and method of converting power299US 7,072,194 B2Curtin University of Technology · 2006
- Contactless power charging system and energy storage system including the same279US 8,604,746 B2Samsung SDI.Co., Ltd. · 2013
- Integrated control system and method for controlling mode, synchronization, power factor, and utility outage ride-through for micropower generation systems259US 6,380,719 B2SatCon Technology Corporation · 2002
- System, method, rotating machine and computer program product for enhancing electric power produced by renewable facilities196US 6,670,721 B2ABB AB · 2003
- Grid synchronisation165US 8,310,101 B2Enecsys Limited · 2012