A photovoltaic module including a photovoltaic panel (101) and an electrical circuit (103) connected thereto. The photovoltaic panel (101) includes multiple bus bars (a, b, c) connected to an input of the electrical circuit (103). The electrical circuit (1...

The system (1) has first and second switching elements (17, 19) connecting positive and negatives poles (11, 13) to a direct-current (DC) input of an inverter (5). The switching elements are opened by a control device (23) when voltages of the poles exceed...

A control circuit for multiple electrical loads (52) has a power switch (51) associated with each load (52) for adjusting the current supplied to the load, and a control unit for driving the power semiconductor. The control circuit includes a monitoring de...