About 51 results
https://drivepatents.com/patents/947607 · 16 Dec 2015
A filter device 5 that removes a noise current generated by an inverter 6 includes a first filter capacitor 52a that is provided in parallel to a direct-current unit of the inverter 6, a first filter reactor 51a that is provided between a high-potential si...
https://drivepatents.com/patents/948958 · 16 Sep 2015
A method for controlling at least a first switching circuit (7a) of a power converter (6), in particular of a rail vehicle, wherein an AC terminal of the first switching circuit (7a) is electrically connected to a first feeding circuit, wherein the first f...
https://drivepatents.com/patents/949839 · 22 Jul 2015
The invention relates to a drive system (1), wherein the drive system (1) comprises at least two inverters (3, 31, 32, 33) and at least two motors (2). The motors (2), which each comprise a stator and a rotor, each have at least a first winding system (21)...
https://drivepatents.com/patents/950043 · 15 Jul 2015
A method for discharging a DC intermediate circuit of a converter and a DC intermediate circuit (10) and a converter comprising at least one group of at least two controllable power semiconductor switches (S1, S2, S3, S4, S5, S6, S7, S8) connected in serie...
https://drivepatents.com/patents/959994 · 17 Jun 2015
A first power converter 1 connected to a plurality of motors is configured to operate as a DC/AC converter or an AC/DC converter. A second power converter 2 connected to a generator 5 is configured to operate as a DC/AC converter or the AC/DC converter. A ...
https://drivepatents.com/patents/950471 · 10 Jun 2015
A charging/discharging device 100 includes a charging/discharging connector 3 that electrically connects a storage battery and the charging/discharging device 100, a cable that is connected to the charging/discharging connector at one end and is connected ...
https://drivepatents.com/patents/950690 · 27 May 2015
A fault diagnostic system (1) of the present invention includes a first fault diagnostic device (3) and a second fault diagnostic device (5). The first fault diagnostic device (3) acquires the voltage value of a battery (2) in accordance with a synchroniza...
https://drivepatents.com/patents/962582 · 4 Mar 2015
A power circuit abnormality detection method for a power circuit detects whether an abnormality in a power source relay exists. The power circuit includes a pre-charge circuit opening and closing a connection between a direct current power source and a smo...
https://drivepatents.com/patents/963820 · 21 Jan 2015
As a configuration to perform multilevel control of a voltage, the number of the components is decreased. A power conversion apparatus for a vehicle of an embodiment is provided with a single-phase two-level converter and a single-phase three-level convert...
https://drivepatents.com/patents/964257 · 7 Jan 2015
An electric unit is attached to a power unit including a motor-generator, the power unit being disposed in a power unit mounting chamber that is formed at a front of a vehicle and separated from a vehicle cabin by a partition wall. The electric unit includ...