Furthermore, there are two control modes presented. In the 12V power net, original chassis and wiring harness are used in order to achieve the most realistic behavior. A power net test bench consisting of a 12V power net and a high voltage power net is built. This paper deals with the analysis of how two voltage levels can be coupled actively in order to stabilize their voltages in power demanding situations. As a consequence, they are able to stabilize their voltage reciprocally. However, a new degree of freedom arises, as the two power nets are connected in order to exchange energy. Owing to these developments, it has become increasingly difficult to guarantee the voltage stability within the 12V as well as the high voltage power bus. In recent years, more and more components in vehicles have been electrified in order to improve the safety and comfort of the passengers as well as the driving performance.
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