About 7 results
https://drivepatents.com/patents/1381789 · 30 Apr 2026
Some embodiments relate to a passive phase connection detection method for feeder power lines of an electricity distribution network. The method can include acquiring a list of meters for each feeder power line of the electricity distribution network; acqu...
https://drivepatents.com/patents/1395630 · 25 Mar 2026
This application discloses an islanding detection method and apparatus. The method includes: An alternating current frequency of an inverter is monitored. The alternating current frequency fluctuates within a preset range when the inverter is in a normal c...
SYSTEM AND METHOD FOR IDENTIFYING A TYPE OF AN ELECTRICAL DEVICE THAT IS PLUGGED INTO A SMART SOCKET
https://drivepatents.com/patents/1377307 · 11 Dec 2025
A measurement unit within a smart socket provides a measure related to the current and/or a measure related to the voltage delivered by the smart socket to the appliance to a trained ML Model. In response, the trained ML Model identifies the appliance type...
https://drivepatents.com/patents/1372794 · 16 Jan 2025
A power system of a consumer premises includes sensors to monitor the current waveform at a (PCC) point of common coupling. A first sensor monitors the current looking out to the grid. A second sensor monitors the current looking behind the PCC to a local ...
https://drivepatents.com/patents/973640 · 18 Jun 2014
There is provided a smart tap into which one or more than one power plugs can be inserted, including a voltage waveform measurement unit, a current waveform measurement unit, a communication unit, a control unit, and an arithmetic unit, wherein the voltage...
https://drivepatents.com/patents/974902 · 14 May 2014
The method involves calculating three pairs of derived amplitude/angle of voltage for phase conductors of a medium voltage network by modifying pairs of amplitude/angle determined on a low voltage network (7) according to characteristic parameters of a tra...
https://drivepatents.com/patents/980613 · 25 Dec 2013
The present invention relates to a system for monitoring the electric network voltage waveform, comprising: switching means (11) connected to the voltage lines (A, B, C) of a three-phase system, comprising two thyristors (T1, T2) connected to two of the vo...