H02J 3/0014
For preventing or reducing power oscillations in networks
Official title: for preventing or reducing power oscillations in networks
H02J3/0014 (For preventing or reducing power oscillations in networks) appears on 711 US grants and 875 published applications in this corpus.
Search patents in H02J- Granted patents
- 711
- Published applications
- 875
- Assignees
- 418
- Inventors
- 2,247
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 10 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 1 |
| 2002 | 4 | 5 |
| 2003 | 4 | 5 |
| 2004 | 9 | 7 |
| 2005 | 5 | 7 |
| 2006 | 6 | 2 |
| 2007 | 2 | 4 |
| 2008 | 2 | 6 |
| 2009 | 2 | 10 |
| 2010 | 5 | 10 |
| 2011 | 15 | 15 |
| 2012 | 8 | 21 |
| 2013 | 10 | 34 |
| 2014 | 13 | 38 |
| 2015 | 21 | 45 |
| 2016 | 24 | 34 |
| 2017 | 37 | 35 |
| 2018 | 35 | 34 |
| 2019 | 41 | 55 |
| 2020 | 47 | 58 |
| 2021 | 49 | 66 |
| 2022 | 60 | 86 |
| 2023 | 60 | 63 |
| 2024 | 79 | 66 |
| 2025 | 70 | 71 |
| 2026 | 44 | 97 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Power supply system and conversion method6 Oct 2026US 12,756,189 B2Huawei Digital Power Technologies Co., Ltd.
- Multi-terminal flexible direct-current adaptive grid-forming control system, method, device, and medium6 Oct 2026US 12,756,202 B2Tsinghua University
- Uninterruptible power system, and power supply method and power supply system thereof6 Oct 2026US 12,756,223 B2Huawei Digital Power Technologies Co., Ltd.
- Distributed-power-source control system29 Sep 2026US 12,749,899 B2Mitsubishi Electric Corporation
- Energy storage system and operating method thereof22 Sep 2026US 12,744,387 B2Delta Electronics, Inc.
- Power supply tie transformer, and regulation and control method therefor8 Oct 2026US 2026/0312409 A1
- Photovoltaic power generation equipment, controller of power converter used therein, and method of controlling power converter8 Oct 2026US 2026/0312411 A1Kawasaki Jukogyo Kabushiki Kaisha
- Flicker suppression device and flicker suppression control method1 Oct 2026US 2026/0302778 A1Mitsubishi Electric Corporation
- Methods of operating an energy storage system1 Oct 2026US 2026/0302783 A1Kraken Technologies Limited
- Grid-connected inverter and overvoltage suppression method therefor24 Sep 2026US 2026/0291230 A1Sungrow Power Supply Co., Ltd.
Most cited
By later US patents
- Circuit arrangement for attenuation of power oscillations in networks292US 4,292,580 ASiemens Aktiengesellschaft · 1981
- Electrical power distribution control methods, electrical energy demand monitoring methods, and power management devices151US 7,149,605 B2Battelle Memorial Institute · 2006
- Turbogenerator power control system and method70US 6,281,601 B1Capstone Turbine Corporation · 2001
- Neural network for contingency ranking dynamic security indices for use under fault conditions in a power distribution system68US 5,625,751 AElectric Power Research Institute, Inc. · 1997
- Power oscillation protection53US 6,476,521 B1ABB AB · 2002