About 13 results
https://drivepatents.com/patents/1380361 · 2 Apr 2026
The present invention discloses a zero-emission operating methods, kit and systems for charging a battery locomotive while the battery locomotive is passing through a charging infrastructure, while optimizing the energy cost. In addition, a method for retr...
https://drivepatents.com/patents/1379554 · 19 Mar 2026
An isolated active bridge DC-DC power converter comprising a primary side, a secondary side, and a control unit. The primary side comprises one or more input power ports, a low voltage port, two primary-side switching elements for each of the one or more i...
https://drivepatents.com/patents/946032 · 9 Mar 2016
The invention relates to a method for controlling a ground transport vehicle (5) traveling on a roadway, the roadway comprising, in a direction of travel of the ground transport vehicle, a zone with external power supply adjacent to a zone without external...
https://drivepatents.com/patents/965793 · 24 Dec 2014
To suppress resonance operation in a DC unit to which an inverter circuit and a DC-DC converting circuit are connected, a surge voltage generated upon switching of the DC-DC converting circuit and unbalance of load current between phases, and to realize st...
https://drivepatents.com/patents/972966 · 2 Jul 2014
The method (100) involves determining (114,122,124,126) a current value of mode of operation to privilege from values of multiplicity of operating parameters of sub-station. The job function of tweaking which depends on current value of operating process t...
https://drivepatents.com/patents/985540 · 20 Mar 2013
In a drive device for a railway vehicle, in which regeneration braking force is increased by adding the output voltage of a voltage adjustment device to a DC power source voltage, operation of the current control device is started prior to the start of the...
https://drivepatents.com/patents/985673 · 13 Mar 2013
A discharge system of a stored energy for a construction machine is provided, which includes the energy storage, an electric discharge device discharging energy stored in the energy storage, and an energy cooling portion increasing the heat dissipation cap...
https://drivepatents.com/patents/997226 · 17 Oct 2012
The present invention discloses a rear axle type torque detection device (1) and an electrically-operated bicycle. The rear axle type torque detection device (1) is mounted to the electrically-operated bicycle. The rear axle type torque detection device (1...
https://drivepatents.com/patents/998254 · 19 Sep 2012
A feed system (20) generates direct current power by a power generation unit (1, 3), and charges the generated power by a charging unit (8). The feed system connects the power generation unit, the charging unit, and a mobile unit (11) so that the power as ...
https://drivepatents.com/patents/998312 · 12 Sep 2012
The present invention aims at suppressing the ripples of discharge and charge currents generated via switching control of a power semiconductor device in a battery. The object of the present invention can be achieved by providing a power converter comprisi...