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This paper presents Model predictive control technique for the high efficiency with reduced switches stresses T-type three-level Neutral Point Clamped (NPC) inverter for Photovoltaic (PV) applications. T-type three-level NPC inverter is a combination of the NPC and T-Type inverters. As it is a combination of T-type and NPC it has the same features of NPC such as breakdown voltage of the switching...
Dc structures are acquisitioning acceptance owing to its high efficiency, high reliability and easy interconnection of renewable sources as compared to ac systems. In standalone dc system, parallel dc-dc converters are used to interface storage element and loads. Use of master-slave controller for paralleling is restricted on account of its high cost, low reliability and complexity. Even though conventional...
This paper presents two-stage power conditioning system for grid integrated Photovoltaic (PV) applications. The proposed system has distinct feature such as: high voltage gain, high efficiency, low voltage stress and galvanic isolation. The system is controlled via Model Predictive Control (MPC) to do the following functions: extract maximum power from the PV generator, and inject a sinusoidal current...
This paper claims to propose a very high gain grid connected system with its control strategy. The proposed system consists of two stages. The first stage is a very high gain Switched Inductor with Voltage Multiplication Converter (SIVMC) to provide high gain and also it can provides the two dc sources required by the multilevel inverter. The second stage is a five-level multilevel inverter. The construction...
Pseudo single stage flyback current source inverter designed for photovoltaic applications is presented in this paper. The proposed inverter consists of flyback current source converter and h-bridge unfolding stage. The proposed system is intended to do the following functions: extract maximum power for the Photovoltaic (PV) module, inject a sinusoidal current into the grid. Flyback converter is designed...
This paper proposes Z-source with voltage multiplication inverter for grid connected Photovoltaic (PV) application. The proposed scheme has two-stage. The first stage consists of Z-source with voltage multiplication converter. The proposed converter has high gain compared to other transformer less topologies and reduced voltage stress on the switch. The second stage assembled from five switch inverter...
Simple DC micro grid is presented in this paper. The dc micro grid consists of PV module, Switched Inductor with Voltage Multiplier Converter (SIVMC), DC load or battery and maximum power point tracking controller. Switched Inductor with Voltage Multiplier Converter (SIVMC) is used due to its inherent features such as high gain, low voltage stress on the switch and better efficiency. For maximum power...
This paper proposes Fixed Frequency Model Predictive Control (FFMPC) based MPPT algorithm and SIQBC for PV Applications. The proposed control algorithm consists mainly from two stages, the first stage is a modified Incremental Conductance (IC) algorithm and the second stage is a modified fixed frequency model predictive control. The proposed MPPT algorithm has a fast response, able to extract maximum...
A novel Maximum Power Point Tracking (MPPT) control for Photovoltaic applications is proposed in this paper. The proposed control algorithm is two-stage control system. The firststage is a Modified Incremental Inductance (MIC) algorithm and the second stage is based on Fixed Frequency Predictive Hysteresis Control (FFPHC). The purpose of the MIC stage is to generate the required reference current...
Direct matrix Converter is considered as a powerful tool for AC/AC power conversion providing AC output voltage and frequency control It also has many features such as a bidirectional power flow, a compact size and a direct conversion capability In this paper, matrix converter is used to convert a five phase input voltage into three phase output voltage with controlling output current amplitude and...
A novel Maximum Power Point Tracking Technique (MPPT) based on Fixed Frequency Model Predictive Control (FFMPC) for Photovoltaic (PV) is developed through this paper. The Proposed control system consists of two-stage. The first stage is a Modified Incremental Conductance (MIC) algorithm and the second stage is FFMPC. The proposed control system has some inherent features such as fast MP tracking under...
This paper presents High-gain power conditioning system for grid connected PV applications. The construction of the proposed system consists of high-gain Switched Inductor Quadratic Boost Inverter (SIQBI) and five-switch h-bridge inverter. The proposed system is controlled to satisfy the following criteria: extract maximum power from PV module, boost dc voltage to higher level and inject sinusoidal...
This paper presents a novel high gain two-stage inverter for Photovoltaic (PV) applications. First stage consists of very high gain Switched Inductor with Voltage Multiplier (SIVM) dc-dc converter. Construction of the second stage consists of five-switch dc-ac inverter. The proposed converter mainly designed for grid-connected PV applications. The proposed system can do the following functions: boost...
The power conversion from variable AC voltage into a desired AC voltage with fixed magnitude and fixed frequency is attracting more attention especially in case of grid-connected wind generation system. Indeed, the Direct Matrix Converter (DMC) can be used as a suitable solution for such AC/AC conversion to fulfill the requirement of the output voltage with desired magnitude and frequency. This paper...
This paper proposes Model Predictive Control (MPC) for single-phase grid connected inverter for PV applications. The proposed single-phase inverter is a five-switch inverter. The inverter is controlled to inject sinusoidal current into the grid. MPC provides control of the amplitude and frequency of the injected current. Five-switch inverter consists of an h-bridge inverter and extra switch is added...
This paper proposes two-stage Maximum Power Point Tracking (MPPT) technique for PV Applications. The first stage is a Modified Incremental Conductance Algorithm (MICA), used to generate the maximum power reference current. And the second stage utilizes Model Predictive Control (MPC) for controlling the PV module and achieves the maximum power. The proposed algorithm has the ability to track the maximum...
This paper proposes a multiphase power generation with matrix converter for Wind Energy Conversion System (WECS). The proposed system consists of five-phase Permanent Magnet Synchronous Generator (PMSG), to generate five-phase voltage with variable amplitude and frequency. The grid is a three-phase system and hence deployment of multiphase generator needs some sort of phase conversion system. Therefore,...
Conversion from variable ac voltage into fixed voltage and fixed frequency ac voltage is essential especially in case of grid-connected wind generation system. Direct matrix Converter (DMC) provides a solution for such ac/ac conversion for desired voltage and frequency. Five to three phase matrix converter developed in this paper is proposed to convert five-phase input voltage into three-phase voltage,...
This paper introduces a boost converter with high dc gain as a solution for partial shading of photovoltaic (PV) module. Switched inductor boost converter (SIBC) is introduced by replacing the inductor of the boost converter with a switched inductor branch. As a result, the conversion gain ratio can be increased. The proposed converter is used as an interface between the PV system and the load. A...
This paper proposes a high gain and high efficiency power conditioning system for grid connected PV module. The system consists of a one module of PV, boost converter with high gain transformation ratio, and singlephase H-bridge inverter. The system is suitable for using less number of PV modules or using only one PV module for the grid connection applications which called ac modules. Since the controller...
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