Having your own power station on the roof is gaining in popularity. Government subsidies in the past have offset investment costs, which have continued to remain high. The 100,000 roof program of the German Federal Government advanced the high demand last years.
A phase synchronous injection ensures the private power station owner the collection by the power station as long as the EU energy model is valid.
The conversion of DC current into AC current via the SWR produces an increased interference spectrum due to the clock frequency at the DC link.
The attached pdf describes this issue and the corresponding solution.