Indian Journal of Science and Technology | 2021
Fault Detection and Troubleshooting in a PV Grid-Tied Inverter
Abstract
Objectives:\xa0Present work envisages fault detection along with troubleshooting methodologies confirmed in solar photovoltaic workshop for grid-tied three-phase inverters. Only innovative inventions are not only necessary for the society to become advanced but also to continue the modern electrical evolution with zero carbon.\xa0Methods:\xa0Here with the help of sungrow software DSP1_20_VA_J & IDM- AC Fm ver the inverter sends a notification about the fault with a fault status code to the HMU/LCD display. As per fault severity it may completely shut down or partially operate the inverter with reduced load. After the fault rectification manually by the site operator again it restores the power and inject power to the grid.\xa0Finding:\xa0Here with the help of sungrow software DSP1_20_VA_J I as a result the inverters are tripping frequently. The present software helps to detect fault of the inverter within 0.023 millisecond and send a message to the service engineer for rectification. The present research can be of immense help to the service engineers and field workers working on solar photo voltaic sector considering popularity of photovoltaic units. \n \nKeywords \nSolar power plant, Grid tied inverters, Fault finding, Trouble shooting