On-board electrical system for motor vehicle, has high volt energy storage, and converter device provided parallel to another converter device, and to allow preset energy application to take place in low-volt voltage network

摘要

The system has a high volt energy storage (2) for a high volt voltage network (HV) that supplies voltage for high volt consumers. A converter device (4) i.e. direct current (DC)/DC converter, converts high-volt voltage of the network into a preset low-volt voltage for a low-volt voltage network (NV) that supplies voltage for low-volt consumers. Another converter device (6) i.e. DC/DC converter, is provided parallel to the device (4) and allows a preset energy application to take place in the network (NV). A low-volt energy storage is connected with the storage (2) by the devices.