Modular current supply

A plasma plant current supply system, comprising:

• a plurality of substantially similar power converter modules, wherein each power converter module includes an input terminal and an output terminal, and each power converter module has a maximum output power that is substantially similar to the maximum output power of other power converter modules, and wherein multiple power converter modules are combined to form a current supply unit having a maximum output power that is greater than the maximum output power of the individual power converter modules;
• a control unit connected to the current supply unit;
• a data connection for connecting the control unit to all the power converter modules of the current supply unit;
• a common input electrical conductor for electrically connecting the current power converter modules of the current supply unit at the output side;
• and
• a common output electrical connector that electrically connects the output terminals of two neighboring power converter modules.

A method of providing an electrical current, the method comprising:

• providing a plurality of current supply modules, wherein each current supply module includes an input terminal and an output terminal and each current supply module has a maximum output power;
• establishing an electrical connection between multiple current supply modules to form a current supply unit having a maximum output power that is greater than the maximum output power of the individual current supply modules;
• controlling the current supply unit with a control unit;
• and
• controlling the current supplied by each current supply module through a data connection that connects the control unit to all the current supply modules of the current supply unit.