An Iterative Method for Calculating the Optimum Size of Inverter in PV Systems for Malaysia

作者：Khatib Tamer; Mohamed Azah; Sopian K; Mahmoud Marvan

来源：Przeglad Elektrotechniczny, 2012, 88(4A): 281-284.

• Inverter
• optimization of PV systems
• sizing PV systems
• PV systems
• Malaysia

This paper presents an iterative method for optimizing inverter size in photovoltaic (PV) system for five sites in Malaysia. The sizing ratio which is the ratio of PV rated power to inverter's rated power is optimized at different load levels using different commercial inverters models. Hourly solar radiation and ambient temperature records are used to develop a Matlab model for a PV array and inverter. The model aims to estimate the inverter's efficiency in terms of PV array output power and inverter rated power. The results showed that the optimum sizing ratios for Kuala Lumpur, Johor Bharu, Ipoh, Kuching and Alor Setar are 1.21, 1.43, 1.31, 1.37 and 1.26, respectively.

• 出版日期2012