| 摘要 |
An arrangement and method are provided for stabilizing a voltage applied to a first electric consumer arranged in a vehicle onboard power supply system that includes a second electric consumer. A first voltage supply unit provides a supply voltage; a storage unit stores electric energy; a second voltage supply unit provides a charging voltage; a switching unit is connected to the first consumer, the storage unit, the first voltage supply unit and the second voltage supply unit; and a control unit determines whether a stabilization is to be carried out. If no stabilization is to be carried out, the control unit activates the switching unit such that the first consumer is connected to the first voltage supply unit and, as soon as the stabilization is to be carried out, the first consumer is connected to a series connection formed by the storage unit and the first voltage supply unit. |
| 主权项 |
1. An arrangement for stabilizing a voltage in a vehicle onboard power supply system having a first, voltage-sensitive electric consuming device and a second, non-voltage-sensitive electric consuming device, comprising:
a first voltage supply unit configured to provide a supply voltage; a storage unit configured to store electric energy at least temporarily; a second voltage supply unit configured to provide a charging voltage; a switching unit to which at least the first, voltage-sensitive electric consuming device, the storage unit, the first voltage supply unit and the second voltage supply unit are connected; a control unit operatively configured to determine whether a stabilization of the voltage applied to the first, voltage-sensitive electric consuming device is to be carried out, wherein the control unit is further configured such that: as long as a stabilization is not to be carried out, activate the switching unit to connect the first, voltage-sensitive electric consuming device to the first voltage supply unit and, as soon as the stabilization is to be carried out, activate the switching unit to connect the first, voltage-sensitive electric consuming device to a series connection formed by the storage unit and the first voltage supply unit in order to thereby supply the first, voltage-sensitive electric consuming device with a voltage provided by the series connection in order to compensate for any reduction of the supply voltage that is present, subsequent to stabilization having been carried out, in each case, at least temporarily activate the second voltage supply unit, the second, non-voltage-sensitive electric consuming device and the switching unit, wherein the second voltage supply unit provides the charging voltage having a value greater than the supply voltage of the first voltage supply unit, and electric current flows at least temporarily through the second, non-voltage sensitive electric consuming device, and a charging of the storage unit is made possible by a current path formed by the second voltage supply unit and the second, non-voltage-sensitive electric consuming device. |
