Publication
June-Hee Lee, June-Seok Lee, and Kyo-Beum Lee, "Current Sensorless MPPT Control Method for Dual-Mode PV Module-Type Interleaved Flyback Inverters," Journal of Power Electronics, vol. 15, no. 1, pp. 54-64, Jan. 2015.
2015
PEEMS
-
Oct. 4, 2023
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1. Authors: June-Hee Lee, June-Seok Lee, and Kyo-Beum Lee
2. Title: Current Sensorless MPPT Control Method for Dual-Mode PV Module-Type Interleaved Flyback Inverters
3. Journal: Journal of Power Electronics
4. Vol/no/pp: vol. 15, no. 1, pp. 54-64
5. Date: Jan. 2015
6. Abstract
: This paper presents a current sensorless maximum power point tracking (MPPT) control method for dual-mode photovoltaic (PV) module-type interleaved flyback inverters (ILFIs). This system, called the MIC (Module Integrated Converter), has been recently studied in small PV power generation systems. Because the MIC is an inverter connected to one or two PV arrays, the power system is not affected by problems with other inverters. However, since the each PV array requires an inverter, there is a disadvantage that the initial installation cost is increased. To overcome this disadvantage, this paper uses a flyback inverter topology. A flyback inverter topology has an advantage in terms of cost because it uses fewer parts than the other transformer inverter topologies. The MPPT control method is essential in PV power generation systems. For the MPPT control method, expensive dc voltage and current sensors are used in the MIC system. In this paper, a MPPT control method without current sensor where the input current is calculated by a simple equation is proposed. This paper also deals with dual-mode control. Simulations and experiments are carried out to verify the performance and effectiveness of the proposed current sensorless MPPT control method on a 110 [W] prototype.
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