The present invention relates to a plasma generating device which comprises an electrode carrier (5) and a first electrode (10) as well as a second electrode (20), the first electrode (10) being arranged on or in the electrode carrier (5). Furthermore, it comprises a high-voltage suitable plug contact connection (40) for making electrical contact with at least one of the electrodes (10, 20), the plug contact connection (40) having a plug (50) and a receiving socket (60) for receiving the plug (50) and the receiving socket (60) is fixedly arranged on or in the electrode carrier (5) and is electrically conductively connected to one of the electrodes (10, 20).
The invention also relates to a plasma generation system with several of the plasma generation devices according to the invention, as well as a method for generating plasma and a method for disinfecting surfaces.