About 136 results
https://drivepatents.com/patents/1392530 · 31 Dec 2025
This application provides a charging apparatus, a charging pile, and a charging system. The charging apparatus includes a positive bus, a negative bus, a DC/DC conversion circuit, and a soft-start circuit. The soft-start circuit is connected to an input en...
https://drivepatents.com/patents/1392798 · 31 Dec 2025
This application provides a grid-tied inverter apparatus and a grid-tied control method. The inverter apparatus includes an inverter circuit, a controller, and a filter circuit. The controller is configured to adjust switching frequencies of a plurality of...
https://drivepatents.com/patents/1395765 · 31 Dec 2025
This application provides a photovoltaic system and a power supply current control method thereof. The photovoltaic system includes a direct current bus and at least two power supply units connected in parallel to the direct current bus. The power supply c...
https://drivepatents.com/patents/1396171 · 31 Dec 2025
This application provides a bidirectional DC/DC converter, a control method thereof, a vehicle power supply system, and a vehicle. The bidirectional DC/DC converter includes a first terminal circuit, a transformer, a second terminal circuit, and a reset ci...
https://drivepatents.com/patents/1399865 · 31 Dec 2025
This application provides an uninterruptible power supply, an on-off control module, a control method, and a system, and relates to the field of electronic power technologies. An input end of the uninterruptible power supply is connected to a power supply ...
https://drivepatents.com/patents/1399938 · 31 Dec 2025
This application discloses a valve assembly apparatus, a control method, a vehicle cooling system, and a vehicle, and relates to the field of vehicles, to reduce costs of performing cooling or heating in a vehicle by using a heat pump. The valve assembly a...
https://drivepatents.com/patents/1400523 · 31 Dec 2025
Embodiments of this application provide a power supply system, to resolve technical problems in the conventional technology that a current on a direct current bus is high, a diameter of a cable is large, and costs of the cable are high. In embodiments of t...
https://drivepatents.com/patents/1393043 · 24 Dec 2025
This application provides a photovoltaic system and a direct current overcurrent protection apparatus. The photovoltaic system includes at least one first direct current module, an electromagnetic apparatus, a direct current switch-on/off apparatus, and a ...
https://drivepatents.com/patents/1395013 · 24 Dec 2025
This application relates to the field of electric vehicle technologies, and discloses an electric drive system, a powertrain, a heating method, and an electric vehicle. The electric drive system includes an inverter circuit, a direct current-direct current...
https://drivepatents.com/patents/1399420 · 24 Dec 2025
This application discloses a direct current combiner box, an inverter, a photovoltaic system, and a protection method. The combiner box includes a switching device, a sampling circuit, and a controller. The switching device is connected in parallel between...