About 16 results
https://drivepatents.com/patents/1392278 · 20 May 2026
Control methods for an Energy Storage System (ESS) are provided which relates to the technical field of off-grid controlling and include: when the ESS operates in AC/DC parallel off-grid mode, obtaining given values of positive sequence voltage amplitude, ...
https://drivepatents.com/patents/1382386 · 7 May 2026
A plant power supply system includes a power conversion system and a busbar box, where the busbar box is provided with a direct current (DC) busbar, the power conversion system being connected to the DC busbar, and the DC busbar being further connected to ...
https://drivepatents.com/patents/1393442 · 8 Oct 2025
This application provides a voltage conversion apparatus, a control method, and a power supply device. The voltage conversion apparatus includes a control circuit. The control circuit is configured to: obtain a first sampling voltage and a second sampling ...
https://drivepatents.com/patents/977404 · 19 Mar 2014
The present invention discloses an uninterrupted power supply circuit and a method for controlling the same, and pertains to the communications field. The circuit includes an alternating current input module, a positive Boost boost module, a negative Boost...
https://drivepatents.com/patents/979634 · 15 Jan 2014
This electronic device (3) includes a control portion (37) receiving DC power through an AC-DC conversion portion (32a) from an AC power supply and a connection portion (31) connected to an external device (2) in a state where the connection portion can re...
https://drivepatents.com/patents/980300 · 1 Jan 2014
The present technique relates to a communication device, a communication method, a battery device, and an electronic apparatus that can easily manage a battery device formed with a large number of battery cells. A transformer (171) is formed with a coil (1...
https://drivepatents.com/patents/991401 · 1 May 2013
An electronic device (10), a power supply method thereof and a wireless power supply system thereof. The electronic device (10) includes a wired electric power receiving module (12), a wireless electric power receiving module (14) and a change-over switch ...
https://drivepatents.com/patents/995682 · 28 Nov 2012
An AC adapter includes a conversion part, an output terminal, and a voltage adjusting circuit. The conversion part converts alternating current input to an input terminal into a direct current. The output terminal supplies the direct current to an electron...
https://drivepatents.com/patents/1005075 · 22 Feb 2012
The method involves controlling switches (12) of switching arms (A, B) by transmission of pulse width modulation control signals. Alternating voltage (Vx) is generated in an opposition phase relative to voltage at compensation inductance terminals (7') con...
https://drivepatents.com/patents/1005655 · 1 Feb 2012
A charging method using a multiphase line voltage for charging an energy storage system (ESS) using a polyphase motor drive circuit communicated to a polyphase motor, the polyphase motor drive circuit including a plurality M of driver stages, one driver st...