Motor drive direct current link voltage measurement resolution improvement with fault detection
US-2024097597-A1 · Mar 21, 2024 · US
the fault being a power fluctuation
the fault being a power fluctuation · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02P29/026 |
| Official title | {the fault being a power fluctuation} |
| Display label | the fault being a power fluctuation |
| Total patents | 170 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 9 |
| 2017 | 8 |
| 2018 | 5 |
| 2019 | 5 |
| 2020 | 13 |
| 2021 | 11 |
| 2022 | 9 |
| 2023 | 7 |
| 2024 | 55 |
| 2025 | 37 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Power device and motor control apparatus provided with said power device
US-11444565-B2 · Sep 13, 2022 · US
Motor Driving Device
US-2022209704-A1 · Jun 30, 2022 · US
Tool brownout management
US-2022190767-A1 · Jun 16, 2022 · US
IGBT drive circuit for motor controller, and motor controller
US-11323112-B2 · May 3, 2022 · US
Motor drive apparatus configured to determine cause of DC link voltage fluctuation
US-11211892-B2 · Dec 28, 2021 · US
Power device and motor control apparatus provided with said power device
US-2021320608-A1 · Oct 14, 2021 · US
Intelligent power module and controller for air conditioner
US-11088648-B2 · Aug 10, 2021 · US
Capacitor capacitance estimation device, control system, and capacitor capacitance estimation method
US-2021242818-A1 · Aug 5, 2021 · US
Drain pump driving apparatus and laundry treatment machine including the same
US-2021234494-A1 · Jul 29, 2021 · US
Methods, systems and devices for determining a resonance frequency of a mechanical system
US-2021190582-A1 · Jun 24, 2021 · US
System and Method for Managing Transient Power Disruptions on ESP Motor Drives
US-2021184603-A1 · Jun 17, 2021 · US
Motor drive apparatus configured to determine cause of dc link voltage fluctuation
US-2021167715-A1 · Jun 3, 2021 · US
Functional safety system
US-2021148966-A1 · May 20, 2021 · US
Heat pump device
US-10928112-B2 · Feb 23, 2021 · US
Circuit for detecting status of ground connection in an electric motor
US-10931223-B2 · Feb 23, 2021 · US
Motor drive device and electric power steering device
US-10840899-B2 · Nov 17, 2020 · US
Circuit for detecting status of ground connection in an electric motor
US-2020358388-A1 · Nov 12, 2020 · US
Igbt drive circuit for motor controller, and motor controller
US-2020350903-A1 · Nov 5, 2020 · US
Motor undervoltage ride-through circuit controlled by motor protective relay
US-2020336097-A1 · Oct 22, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02P29/026?
- CPC H02P29/026 is the Cooperative Patent Classification code for “the fault being a power fluctuation.”
- How many patents are filed under CPC H02P29/026 (the fault being a power fluctuation)?
- Our database includes 170 publications tagged with this CPC code.
- Is patent activity under CPC H02P29/026 growing?
- Publication counts under this code: 55 in 2024 vs 37 in 2025 (latest complete years).