태양광발전을 위한 전력시스템의 고효율화에 관한 연구

Elaboration of Power System for Solar Power High Efficiency

A photovoltaic inverter achieves maximum power tracking control considering the voltage and current of each string to produce maximum power. However, if the voltage and current characteristics of individual strings, including degraded modules, deteriorate, the total power production during maximum power point tracking(MPPT) control will reduce significantly. Therefore, we want to use the Internet of things(IoT) -based sensors to produce a string containing aging modules and insert a device that compensates for power (IoT-type power compensator with aging PV strings) so that the overall power production can be maximized at all times when controlling MPPT.