Photovoltaic inverter with intelligent monitoring

How intelligent is a PV inverter system?

Although various intelligent technologies have been used in a PV inverter system, the intelligence of the whole system is still at a rather low level. The intelligent methods are mainly utilized together with the traditional controllers to improve the system control speed and reliability.

What is the control performance of PV inverters?

The control performance of PV inverters determines the system’s stability and reliability. Conventional control is the foundation for intelligent optimization of grid-connected PV systems. Therefore, a brief overview of these typical controls should be given to lay the theoretical foundation of further contents.

Can analytical monitoring of photovoltaic systems improve performance?

Finally, the report states the constructive guidelines, methods and models that may be designed for analytical monitoring of PV systems. Indeed, new diagnostic techniques and algorithms were proposed to monitor photovoltaic plants, to predict failures and to enhance PV system performance.

What is a PV inverter?

PV inverter is considered as the brain of the PV system. Studies have demonstrated that it is the most vulnerable component . Inverter failures are classified into different categories: Manufacturing and design problems: PV inverter performance depends on operating conditions and the system lightening.

What is expert system in PV inverter system?

Expert system usually refers to a class of computerized intelligent program systems with expertise and experience . The current development of expert system design is relatively mature, however, its application in PV inverter system is still in its infancy . The fundamental structure of an expert system is illustrated in Figure 11.

What is intelligent control in PV system?

Intelligent control as a more advanced technology has been integrated into the PV system to improve system control performance and stability. However, intelligent control for the PV system is still in the early stages due to the extensive calculation and intricate implementation of intelligent algorithms.