About 52 results
https://drivepatents.com/patents/982048 · 13 Nov 2013
A charging and discharging device includes a switching circuit 44, an input of which is connected to a power supply, the switching circuit 44 adjusting an output current IB to a power storing unit 60 connected to an output of the switching circuit 44, and ...
https://drivepatents.com/patents/982297 · 6 Nov 2013
There is provided a power inverter that fixes a connector in which a DC-side connector and an AC-side connector are mechanically combined to a casing in which a power semiconductor module converting a DC current into an AC current is housed, a positive-sid...
https://drivepatents.com/patents/983602 · 9 Oct 2013
A control device for an electric vehicle includes a converter circuit 20 that converts a voltage input from an external power supply to a direct current having a predetermined value and outputs the direct current to a power storage unit 50, an inverter cir...
https://drivepatents.com/patents/983810 · 2 Oct 2013
An improved hard pre charge in a traction system for railway comprising at least two different motors, each motor being controlled by means of a least one of two inverters which are connected in parallel to a common power line that supplies a DC power sign...
https://drivepatents.com/patents/986712 · 18 Sep 2013
The circuit device (10) has two series circuits (13), a semiconductor switch (15) electrically connected to two direct current (DC) bus lines (9,9'), an ohmic resistor, and a Zener diode electrically connected to DC bus lines. The diode is designed such th...
https://drivepatents.com/patents/988283 · 24 Jul 2013
A battery charger network that includes at least one battery charger (120), at least one power source (110) and at least one battery pack (160). The charger network is able to charge the battery pack (160) using the at least one battery charger (120) where...
https://drivepatents.com/patents/988927 · 10 Jul 2013
A charger (300) includes a conversion unit (310) for converting external electric power from a charging port (110) into DC, a conversion unit (320) for converting the output of the preceding conversion unit (310) into high-frequency AC, and a conversion un...
https://drivepatents.com/patents/990597 · 22 May 2013
A controller for a vehicle including two inverters determines whether a detector currently performs an insulation determination process (S 10), and if not (NO at S10), the controller performs random control to randomly vary carrier frequencies (fa and fb) ...
https://drivepatents.com/patents/985569 · 20 Mar 2013
Power supply equipment (10) is provided with an AC power source (11) and a primary side resonance coil (13b) which receives a power supply from the AC power source. Movable body equipment (20) is provided with: a secondary side resonance coil (21 b) which ...
https://drivepatents.com/patents/985516 · 20 Mar 2013
The drive system has a permanent magnet synchronous machine (10) whose the stator-side ports (U,V,W) are electrically connected with alternating current (AC)-side terminals (R,S,T) of a self-commutated converter (8) respectively. Three thyristors (44) of a...