H02J 3/1871
Methods for planning installation of shunt reactive power compensators
Official title: {Methods for planning installation of shunt reactive power compensators}
H02J3/1871 (Methods for planning installation of shunt reactive power compensators) appears on 22 US grants and 15 published applications in this corpus.
Search patents in H02J- Granted patents
- 22
- Published applications
- 15
- Assignees
- 19
- Inventors
- 59
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
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| 1986 | 0 | 0 |
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| 1992 | 1 | 0 |
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| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 1 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 2 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 1 | 2 |
| 2020 | 1 | 0 |
| 2021 | 1 | 2 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Reactive power control method, device and system18 Mar 2021US 2021/0083480 A1Beijing Goldwind Science & Creation Windpower Equipment Co., Ltd.
- Method and data processing configuraton for controlling power flow in an electrical supply network4 Feb 2021US 2021/0036516 A1Siemens Aktiengesellschaft
- Voltage/reactive power operation assisting device and assisting method, and voltage/reactive power operation monitoring control device and monitoring control method12 Sep 2019US 2019/0280481 A1Hitachi, Ltd.
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Most cited
By later US patents
- Energy management method using utility-generated signals98US 4,247,786 ACyborex Laboratories, Inc. · 1981
- Method for performing a voltage stability security assessment for a power transmission system45US 5,594,659 AMichigan State University · 1997
- Method for preventing power collapse in electric power systems38US 5,642,000 ACornell Research Foundation, Inc. · 1997
- System of load flow calculation for electric power system30US 4,868,410 AMitsubishi Denki Kabushiki Kaisha · 1989
- Method for calculating power flow solution of a power transmission network that includes unified power flow controllers29US 7,177,727 B2Chang Gung University · 2007