Abstract:
A Direct Current (DC) distribution system is provided. The Direct Current (DC) distribution system including a Direct Current bus configured for operating at direct current (DC), a power source input electrically connected to the DC bus and configured for receiving an Alternating Current (AC) voltage from an AC source, and an electrical load electrically connected to the DC bus and configured for operating at DC and/or an additional power source electrically connected to the DC bus, wherein a first power converter electrically connected to the DC bus and the power source input and configured for converting AC received at the power source input to DC for the DC bus, and a second power converter is electrically connected to the DC bus and the electrical load and/or to the DC bus and the additional power source.
Abstract:
Disclosed herein is a charger for charging electric vehicles. In one embodiment, the charger includes M AC/DC converters, a DC bus, N DC/DC converters, and D energy exchange ports. The M AC/DC converters are configured to be coupled to a power source at an input side of the M AC/DC converters. The DC bus is connected to an output side of each of the M AC/DC converters. The N DC/DC converters are coupled to the DC bus at an input side of the N DC/DC converters. The D energy exchange ports are coupled to an output side of one or more of the N DC/DC converters at an input side of the D energy exchange ports, and each of the D energy exchange ports is configured to be coupled to an electric vehicle, where N>M, and where an energy storage is coupled to the DC bus.
Abstract:
A wireless charging system for electric vehicles includes an AC-to-DC converter connectable to an electric AC grid; a DC-to-AC converter interconnected with the AC-to-DC converter; a first inductive coil interconnected with the DC-to-AC converter and for inductively coupling to a second inductive coil for power transfer via an air gap; a first housing, in which the AC-to-DC converter is arranged; a second housing, in which the DC-to-AC converter and the inductive coil are arranged; and a cable for interconnecting the AC-to-DC converter and the DC-to-AC converter outside of the first housing and second housing.
Abstract:
A wireless charging system for electric vehicles includes an AC-to-DC converter connectable to an electric AC grid; a DC-to-AC converter interconnected with the AC-to-DC converter; a first inductive coil interconnected with the DC-to-AC converter and for inductively coupling to a second inductive coil for power transfer via an air gap; a first housing, in which the AC-to-DC converter is arranged; a second housing, in which the DC-to-AC converter and the inductive coil are arranged; and a cable for interconnecting the AC-to-DC converter and the DC-to-AC converter outside of the first housing and second housing.
Abstract:
A hybrid charging system for electric vehicles includes an AC-to-DC converter connectable to an electric AC grid; a transformer interconnected with the AC-to-AC converter with a primary winding; a secondary side AC-to-DC converter interconnected with a secondary winding of the transformer and for providing a DC current for power transfer to an electric vehicle via a cable; a cable connected to the secondary side AC-to-DC converter for providing a DC current for power transfer to an electric vehicle; and a first inductive coil interconnected with the AC-to-AC converter and for inductively coupling to a second inductive coil for power transfer to an electric vehicle via an air gap.
Abstract:
Multi-level inverter introducing a new topology wherein standard IGBTs can be employed in place of common emitter IGBTs, wherein switching and conduction losses are minimized and wherein the number of implemented levels can be easily increased with the addition of a minimum number of components.
Abstract:
A differential and common mode filter for an inverter, comprising an inductor having a core. The core comprises: an upper joke and a lower joke which comprise a first magnetic material; a first leg, a second leg and a third leg which extend between the upper and lower jokes and around which a first coil, a second coil, and a third coil are arranged, respectively, wherein at least one portion of the first, second and third legs, when seen in a transverse cross section, is made of one second magnetic material, and wherein the first magnetic material has a magnetic permeability higher than the second magnetic material; at least one unwound leg extending between the upper and lower jokes.
Abstract:
A power transfer system for supplying electric power to a battery of an electric vehicle including a control architecture including control arrangements capable of controlling the transmission of electric power to a battery of the electric vehicle as a function of detected temperatures at the transmitter and receiver coils. In a further aspect, the application relates to a method for controlling a power transfer system.
Abstract:
Heat exchanger structure for a rack assembly formed by a shaped body of thermally conductive material.The heat exchanger structure comprises a first heat exchanging portion adapted to provide a mechanical support for one or more power electronic components of said rack assembly and adapted to absorb and dissipate heat generated by said power electronic components.The heat exchanger structure comprises a second heat exchanging portion adapted to provide a mechanical support for one or more power electromagnetic components of said rack assembly and adapted to absorb and dissipate heat generated by said power electromagnetic components.
Abstract:
Multi-level inverter introducing a new topology wherein standard IGBTs can be employed in place of common emitter IGBTs, wherein switching and conduction losses are minimized and wherein the number of implemented levels can be easily increased with the addition of a minimum number of components.