H02P 9/10
Control effected upon generator excitation circuit to reduce harmful effects of overloads
Official title: Control effected upon generator excitation circuit to reduce harmful effects of overloads or transients, e.g. sudden application of load, sudden removal of load, sudden change of load
H02P9/10 (Control effected upon generator excitation circuit to reduce harmful effects of overloads) appears on 799 US grants and 767 published applications in this corpus.
Search patents in H02P- Granted patents
- 799
- Published applications
- 767
- Assignees
- 335
- Inventors
- 1,742
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 7 | 0 |
| 1983 | 3 | 0 |
| 1984 | 6 | 0 |
| 1985 | 1 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 9 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 6 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 6 | 0 |
| 1999 | 8 | 0 |
| 2000 | 7 | 0 |
| 2001 | 9 | 4 |
| 2002 | 10 | 10 |
| 2003 | 10 | 6 |
| 2004 | 9 | 7 |
| 2005 | 7 | 14 |
| 2006 | 11 | 25 |
| 2007 | 19 | 21 |
| 2008 | 21 | 31 |
| 2009 | 29 | 35 |
| 2010 | 29 | 40 |
| 2011 | 27 | 42 |
| 2012 | 31 | 53 |
| 2013 | 37 | 43 |
| 2014 | 40 | 39 |
| 2015 | 40 | 45 |
| 2016 | 35 | 28 |
| 2017 | 28 | 32 |
| 2018 | 39 | 39 |
| 2019 | 41 | 52 |
| 2020 | 49 | 41 |
| 2021 | 35 | 37 |
| 2022 | 37 | 36 |
| 2023 | 31 | 33 |
| 2024 | 33 | 18 |
| 2025 | 26 | 24 |
| 2026 | 15 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Automatic voltage regulator for a generator25 Aug 2026US 12,719,393 B2Discovery Energy, LLC
- Exciter circuit for a synchronous machine18 Aug 2026US 12,712,478 B2Brush Electrical Machines Limited
- Generator control architecture14 Jul 2026US 12,683,528 B2Hamilton Sundstrand Corporation
- Systems and methods for improved transient response of turbine generators30 Jun 2026US 12,669,067 B2GE Vernova Infrastructure Technology LLC
- Method for controlling an electric generator of a wind turbine16 Jun 2026US 12,658,832 B2Wobben Properties GmbH
- Controlling a wind turbine during low voltage events24 Sep 2026US 2026/0286936 A1Siemens Gamesa Renewable Energy Innovation & Technology S.L.
- System and method for providing speed dependent grid frequency support in grid-forming inverter-based resources23 Jul 2026US 2026/0213532 A1General Electric Renovables Espana, S.L.
- Operating a wind turbine to provide reactive power23 Jul 2026US 2026/0213682 A1Seimens Gamesa Renewable Energy Innovation & Technology S.L.
- A wind turbine generator comprising at least one oscillating damping arrangement9 Jul 2026US 2026/0194041 A1Vestas Wind Systems A/S
- System and method for extending the operating speed threshold of a grid-forming inverter-based resource9 Jul 2026US 2026/0196832 A1General Electric Renovables Espana, S.L.
Most cited
By later US patents
- Power control system and method978US 7,635,922 B2C. E. Niehoff & Co. · 2009
- Circuit arrangement for attenuation of power oscillations in networks292US 4,292,580 ASiemens Aktiengesellschaft · 1981
- Variable speed distributed drive train wind turbine system147US 7,042,110 B2Clipper Windpower Technology, Inc. · 2006
- Integrated torsional mode damping system and method135US 7,173,399 B2General Electric Company · 2007
- Method and apparatus for modifying the sensitivity of an electrical generator to a nonlinear load113US 8,716,984 B2Advanced Energy Industries, Inc. · 2014