A method and a system for distributed control of a direct current (DC) microgrid having a plurality of distributed generators (DGs) coupled to a DC bus through a plurality of converters includes measuring local voltage and current of each DG and computing,...

Examples of the disclosure include a power-distribution system, comprising a high-voltage input, a high-to-medium voltage transformer coupled to the high-voltage input, a medium-to-low voltage transformer coupled to the high-to-medium voltage transformer, ...

Provided is a power supply system that can increase a power supplied by a whole of the system that supplies a power to a target apparatus. The power supply system comprises a plurality of DC power sources including an environmental-power-generation apparat...

This application provides a photovoltaic system and a power supply current control method thereof. The photovoltaic system includes a direct current bus and at least two power supply units connected in parallel to the direct current bus. The power supply c...

A multi-terminal DC electrical network (20) comprises: a plurality of DC terminals (22), each DC terminal (22) being operatively connected to at least one other DC terminal (22) via a respective DC power transmission medium (24); a plurality of converters ...

A power conversion system for converting solar and mechanical energy into electrical energy comprises a piezoelectric-photovoltaic structure having a photovoltaic element and a piezoelectric element, a first circuit connected to the piezoelectric element, ...

A control system for DC power distribution can flexibly take a measure against user's demands or a change in social conditions by having a plurality of power conversion devices cooperatively operate with each other in a simple configuration. The control sy...