About 21 results
https://drivepatents.com/patents/1400511 · 1 Apr 2026
A protection circuit according to the present disclosure is for a direct current (DC)-DC converter including a buck switch connected between a voltage input terminal and a first node, the buck switch being controlled by a switching cycle and a duty cycle o...
https://drivepatents.com/patents/1379953 · 26 Mar 2026
Charging device for a vehicle, wherein the input side of the charging device () comprises an input terminal unit () for connecting a single-phase or multiphase alternating voltage and a PFC stage () for providing a direct voltage at an intermediate termina...
https://drivepatents.com/patents/1378918 · 5 Mar 2026
A vehicle includes an electrical system performing a method of charging a battery of the vehicle. The electrical system includes the battery, an inverter coupled to the battery via a positive bus line, a first contactor within the inverter that connects th...
https://drivepatents.com/patents/1391553 · 31 Dec 2025
Provided is a method in an electricity-driven apparatus to be driven by receiving power through a plurality of battery packs in a parallel type. The method includes detecting a state of charge (SOC) of each of the plurality of battery packs, calculating a ...
https://drivepatents.com/patents/942077 · 8 Jun 2016
A charging facility collects DC power supplied from a plurality of power supply devices in a DC bus, and then uses the DC power to charge an on-board rechargeable battery for an electric vehicle. In an energy management method for a charging facility, each...
https://drivepatents.com/patents/958571 · 5 Aug 2015
A charging apparatus (10) with dynamical charging power is configured to charge an electric vehicle (90). The charging apparatus (10) includes a main power conversion unit (102), an auxiliary power conversion unit (104), and a control unit (106). The main ...
https://drivepatents.com/patents/959214 · 8 Jul 2015
A method for changing a capacitance value of an output capacitor of a power factor corrector (PFC) includes applying AC power to a power conversion circuit. It is sensed whether an instantaneous power failure occurs in the AC power. Output capacitors of th...
https://drivepatents.com/patents/959217 · 8 Jul 2015
A low voltage electromagnetic interference (EMI) filter of an electric vehicle is provided. In the low voltage EMI filter, a pair of Y capacitor units are respectively installed in input and output ends of the low voltage EMI filter. A normal mode (DM) fil...
https://drivepatents.com/patents/959650 · 24 Jun 2015
A power conversion device for charging first and second batteries is provided. The power conversion device includes an input unit converting a commercial alternating current (AC) power supplied from the outside into a direct current (DC) power to output th...
https://drivepatents.com/patents/969265 · 1 Oct 2014
An algorithm and a direct current (DC) microgrid charge/discharge system with the algorithm are provided that noticeably increases charge/discharge voltage during charging and discharging by connecting a plurality of secondary batteries in series, compared...