The invention relates to a method for generating a polyphase alternating current, in particular a three-phase alternating current, by interconnecting a plurality of direct voltage sources (3), comprising at least the following method steps: - Providing a c...

In relation to a three-phase power converter that is formed with three clusters, each of which is a serial body including one or a plurality of unit cells, a circuit system and control method used by the three-phase power converter to output negative-phase...

It is described a system for mitigating an electric unbalance of a three-phase current at a Point of Common Coupling (120) being located between a wind farm (100) comprising a plurality of wind turbines (110) and a power grid. The system comprises (a) a me...

Solutions for balancing loads in a distribution power supply system are disclosed. In one embodiment, a load balancing system (100, 200, 300) including: an obtainer (40) for obtaining load data from a plurality of meters (110A, 110B), wherein each meter (1...

A photovoltaic (PV) power generation system (100) is described. The system includes a plurality of PV collector units (102) that include at least one PV cell (124) and a collector-side single-phase inverter (122). The plurality of PV collector units are co...

The method involves detecting differences between partial outputs flowing over line conductors (9-11) by using measuring devices (12) i.e. counting devices, and reducing the differences in the partial outputs by supplying different high partial outputs fro...