Typical Design And Application Of Photovoltaic Power Generation System In Multi-Scenes

In recent years,China’s photovoltaic projects have developed rapidly,but there is a lag in the formulation of norms and industry policies.At the same time,photovoltaic power generation design also highlights many problems in equipment selection and system integration.This paper aims to carry out the typical design of photovoltaic power generation projects under multiple scenarios,consolidate the problems existing in photovoltaic power generation projects under various scenarios,and propose related solutions,and achieved good solutions.Firstly,it introduces the development of photovoltaic design,photovoltaic array design,equipment selection of photovoltaic power generation,etc.,pointing out common problems in photovoltaic design,including azimuth and component inclination selection,array spacing calculation,etc.Research progress at home and abroad on major equipment for power generation,including photovoltaic modules,inverters and component brackets.Secondly,it analyzes the main problems of photovoltaic power generation under complex coastal climate and geological conditions.Such areas are affected by high temperature and humid environment,typhoon,salt spray and soil corrosion,which pose challenges to the application and maintenance of photovoltaic power generation.Propose the solution and design the effectiveness of the specific engineering examples to discuss the solution.This paper analyzes the current power quality problems of photovoltaic power plants,mainly including three-phase power imbalance,harmonic content failure,and power factor failure.This paper studies solutions to these problems and designs specific engineering solutions to prove the solution.Then,the photovoltaic power generation design scheme with energy storage system is designed.It is pointed out that the energy storage system can reduce the influence of ordinary photovoltaic power station on the system’s power flow,power angle,voltage and other parameters,and effectively improve the power quality.Finally,the design of building photovoltaic integration(BIPV)project is proposed.This kind of scheme has the characteristics of green energy saving,long life of building and convenient installation.It is the development direction of building photovoltaic in the future.