H02J 3/1864
Using reactive elements connected in series with semiconductor switches
Official title: using reactive elements connected in series with semiconductor switches, e.g. static VAR compensators [SVC], thyristor-controlled reactors [TCR] or thyristor-switched capacitors [TSC]
H02J3/1864 (Using reactive elements connected in series with semiconductor switches) appears on 155 US grants and 82 published applications in this corpus.
Search patents in H02J- Granted patents
- 155
- Published applications
- 82
- Assignees
- 74
- Inventors
- 280
- Latest grant
- 9 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 6 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 1 |
| 2003 | 1 | 2 |
| 2004 | 1 | 2 |
| 2005 | 4 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 5 |
| 2009 | 1 | 3 |
| 2010 | 4 | 4 |
| 2011 | 3 | 5 |
| 2012 | 3 | 2 |
| 2013 | 4 | 4 |
| 2014 | 4 | 6 |
| 2015 | 2 | 3 |
| 2016 | 4 | 1 |
| 2017 | 1 | 10 |
| 2018 | 12 | 5 |
| 2019 | 1 | 5 |
| 2020 | 9 | 3 |
| 2021 | 3 | 7 |
| 2022 | 9 | 2 |
| 2023 | 0 | 3 |
| 2024 | 0 | 2 |
| 2025 | 4 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Power quality compensation system, a power electronic controller and control method of the same9 Sep 2025US 12,413,071 B2Qatar Foundation for Education, Science and Community Development
- Solar power generation system and control method22 Jul 2025US 12,368,300 B2Toyota Jidosha Kabushiki Kaisha
- Power converter controlled capacitor circuits and methods15 Jul 2025US 12,362,660 B2Queen's University at Kingston
- Reactive power compensation device8 Jul 2025US 12,355,245 B2Mitsubishi Electric Corporation
- Magnetically controllable throttle for reactive power compensation having capacitively connected auxiliary windings1 Nov 2022US 11,489,340 B2Siemens Energy Global GmbH & Co. KG
- Slcc commutation system for novel electric power system, method for controlling slcc commutation system, storage medium, and program product30 Jul 2026US 2026/0221772 A1
- Power control system for power network30 Apr 2026US 2026/0121414 A1Hitachi Energy Ltd
- Stabilizing Voltage and Frequency at a Point of Common Coupling of an Industrial Facility9 Oct 2025US 2025/0316983 A1ABB Schweiz AG
- Stabilizing Electrical Power in an Electrical Grid28 Nov 2024US 2024/0396336 A1ABB Schweiz AG
- Solar power generation system and control method1 Feb 2024US 2024/0039279 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Transformerless, load adaptive speed controller76US 6,969,922 B2Youtility, INC · 2005
- Transformerless, load adaptive speed controller74US 6,879,053 B1Youtility, INC · 2005
- Reactive power compensator72US 5,134,356 AThe Board of Regents of the University of Washington · 1992
- High speed control of reactive power for voltage stabilization in electric power systems48US 3,936,727 AGeneral Electric Company · 1976
- Compact and efficient transformerless power conversion system48US 5,270,913 AD.C. Transformation, Inc. · 1993