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Power quality monitoring in hybrid system

Renewable Energy sources are increasing their share in Distribution Generation System (DGS). The diversified sources of power generation can cause many Power Quality (PQ) problems. The need to monitor these changes is becoming paramount. The different level of voltage levels is also becoming a major area of interest. As the photovoltaic (PV) system consists of many parts they produce PQ disturbances coming from many sources. The power inverters and converters can inject harmonics into the system and grid. These disturbances have to be monitored so electrical equipment could be designed to improve the Power Quality (PQ) at the grid, and at the consumer level. The paper presents the results of monitoring of PQ disturbances at the consumer level that uses a hybrid power source (PV module) and utility power grid.