The device has phase conductors (L1-L3) which are connected to level converters (PW1,PW2) whose outputs are connected to voltage detection input (A-D) of microcontroller (MC) and input of monitoring module. Microcontroller outputs pulse width modulated sig...

The arrangement has outer-sided phase conductors (P1-P3) connected with phases (L1-L3) of a three-phase alternating voltage system (WN). Each phase conductor is fed over a series connection to form two switching contacts (SK1, SK2) of various electromagnet...

The power distribution system has a control device (5), where an electrical power source (10) and an electrical energy storage device (11) are connectable. The control device has an output line (18) which is connectable with a connection node (16) of a mai...

The photovoltaic installation comprises a generator junction box (5) and the photovoltaic modules (1) that are interconnected at multiple module strands (2). The module strands are connected with a direct current converter (3) in the generator junction box...