H02P 2207/076
Wherein both supplies are made via converters: especially doubly-fed induction machines
Official title: wherein both supplies are made via converters: especially doubly-fed induction machines; e.g. for starting
H02P2207/076 (Wherein both supplies are made via converters: especially doubly-fed induction machines) appears on 32 US grants and 30 published applications in this corpus.
Search patents in H02P- Granted patents
- 32
- Published applications
- 30
- Assignees
- 31
- Inventors
- 72
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 2 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 3 | 2 |
| 2009 | 2 | 3 |
| 2010 | 1 | 3 |
| 2011 | 2 | 2 |
| 2012 | 4 | 1 |
| 2013 | 1 | 1 |
| 2014 | 2 | 1 |
| 2015 | 1 | 2 |
| 2016 | 1 | 2 |
| 2017 | 2 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 4 |
| 2023 | 2 | 1 |
| 2024 | 1 | 1 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
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- System and method for providing grid-forming control for a double-fed wind turbine generator using virtual impedance9 Jun 2022US 2022/0178349 A1General Electric Company
Most cited
By later US patents
- Variable speed wind turbine having an exciter machine and a power converter not connected to the grid49US 7,425,771 B2Ingeteam, S.A. · 2008
- Dual stator winding induction machine drive47US 6,242,884 B1Wisconsin Alumni Research Foundation · 2001
- Dynamic electric brake for a variable speed wind turbine having an exciter machine and a power converter not connected to the grid38US 8,207,623 B2Ingeteam Energy, S.A. · 2012
- Controller of permanent magnet generator25US 7,554,303 B1Megumi Kawamura · 2009
- Control system for a.c. motors18US 4,132,931 AHitachi, Ltd. · 1979