Performance Assessment of a High-Powered Boost Converter for Photovoltaic Residential Implementations

Ghaderi, Davood; Bayrak, Gökay

doi:10.5755/j01.eie.25.6.24825

Cited by 8 publications

(8 citation statements)

References 10 publications

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“…IEEE 929-2000 shown in Table 7 is the most important international norm for consideration of the grid connection of DGs [50][51][52][53][54][55][56]. The fundamental requirements are defined in IEEE 929-2000.…”

Section: Experimental Case-study Considering the Turkish Grid Codementioning

confidence: 99%

A Real-Time Energy Management System Design for a Developed PV-Based Distributed Generator Considering the Grid Code Requirements in Turkey

et al. 2021

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Each country must determine the Grid Code conditions and apply these criteria to integrate distributed generation (DG) systems into the existing electricity grid and to ensure a stable power system. Thus, experimental studies are required to provide an effective, national, and specific Grid Code. In this study, the Turkish Grid Code’s electrical criteria were examined, and the application of these criteria was carried out on a developed PV-based DG. A real-time energy management system (RTEMS) was proposed in the study. Electrical parameters on the developed DG were monitored in real-time by considering IEEE 1547, IEEE 929–2000, and Turkey’s electrical criteria. A practical grid code study was firstly investigated in detail about the Turkish Grid Code by a developed real-time monitoring-control and protection system. The proposed RTEMS method in the study is implemented as an inverter-resident system; thus, it provides advantages over many energy management systems embedded in the inverter. The degradation in power quality and non-detection zone (NDZ) problems encountered in active and passive island mode detection methods developed embedded in the inverter are eliminated in the proposed method. With the RTEMS method, where under and over-voltage, under and over voltage frequency, and unintentional island mode events can be detected in real-time, both the existing grid-code requirements are met, and the existing power quality and NDZ problem is eliminated with the recommended inverter-independent RTEMS method.

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Section: Experimental Case-study Considering the Turkish Grid Codementioning

confidence: 99%

A Real-Time Energy Management System Design for a Developed PV-Based Distributed Generator Considering the Grid Code Requirements in Turkey

et al. 2021

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“…So if I L,av presents the average current of the inductors, the maximum current can be obtained for the inductors L 1 , L 2 , and L 3 through Equations (35) to (37):…”

Section: Inductor Current Ripples Calculationmentioning

confidence: 99%

“…Also the cathode of this diode is connected to the capacitor C 1 that has a positive voltage and greater than the input voltage. This section of the converter is the input side of the quadratic boost converters that have been analyzed in detail in many researches already 9,16,35 . This voltage will charge the inductor L 2 through the power switch.…”

Section: Proposed Sc‐based Dc‐dc Boost Convertermentioning

confidence: 99%

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A transformer‐less single‐switch boost converter with high‐voltage gain and mitigated‐voltage stress applicable for photovoltaic utilizations

Yin

Ghaderi

2020

Int Trans Electr Energ Syst

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Many of the photovoltaic (PV) panels generate the low amounts of the voltages under the limited values of the powers. In order to increase these voltages to be applicable for grid utilization, DC-DC boost converters are used. A novel nonisolated transformer-less switched-capacitor-based DC-DC power boost structure is combined with the quadratic converter in this study. The proposed converter has many advantages such the low-voltage stresses on the power components, higher voltage-gain, and ability to supplying the load under the low amounts of the switching time intervals. These features lead to fewer amounts of the currents for the power components in the topology for the continuous conduction mode which means less dynamic losses and higher efficiency. Another advantage of the proposed converter is including only one power switch that simplifies the controller design for implementation purposes. A comprehensive mathematical analysis is presented and simulation with MATLAB/SIMULINK and implemented hardware test results confirm the theoretical investigations. K E Y W O R D S boost converter, continuous current mode, photovoltaic utilizations, switched-capacitor LIST OF SYMBOLS AND ABBREVIATIONS: CCM, continuous current mode; DT, duty cycle; T, time period; I C2,on , currents of capacitors C 2 for the first operation mode; I C3,on , currents of capacitor C 3 for the first operation mode; I C4,on , currents of capacitor C 4 for the first operation mode; I C5, on , currents of capacitor C 5 for the first operation mode; I C2,off , currents of capacitor C 2 for the second operation mode; I C3,off , currents of capacitor C 3 for the second operation mode; I C4,off , currents of capacitor C 4 for the second operation mode; I C5,off , currents of capacitor C 5 for the second operation mode; ID1,on, currents of diode D 1 for the first operation mode; ID 2 ,on, currents of diode D 2 for the first operation mode; ID 3 ,on, currents of diode D 3 for the first operation mode; ID 4 ,on, currents of diode D 4 for the first operation mode; ID 5 ,on, currents of diode D 5 for the first operation mode; ID 6 , on, currents of diode D 6 for the first operation mode; ID 1 ,off, currents of diode D 1 for the second operation mode; ID 2 ,off, currents of diode D 2 for the second operation mode; ID 3 ,off, currents of diode D 3 for the second operation mode; ID 4 ,off, currents of diode D 4 for the second operation mode; ID 5 , off, currents of diode D 5 for the second operation mode; ID 6 ,off, currents of diode D 6 for the second operation mode; ΔiL1, current ripples of the inductor L 1 ; ΔiL2, current ripples of the inductor L 2 ; ΔiL3, current ripples of the inductor L 3 ; ΔVo, voltage ripples of the capacitor C O ; Fs, switching frequency; ΔVc,cap, the ripple value caused by capacitor charging and discharging; P VFD , power losses by diodes.

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“…Some investigators have worked on limitation switching loss while others have researched to limit conductivity loss. The researchers continue their research to get higher performance from the converters and to increase the voltage gain [16][17][18][19][20].…”

Section: Introductionmentioning

confidence: 99%

Maximum Power Point Tracking by the Small-Signal-Based PI and Fuzzy Logic Controller Approaches for a Two-stage Switched-Capacitor DC-DC Power Boost Converter; Applicable for Photovoltaic Utilizations

Bulut¹,

Ghaderi²

2020

El-Cezeri Fen Ve Mühendislik Dergisi

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For the Photovoltaic panels, one of the main troubles is generating the limited values of the voltage. To enhance this DC voltage for grid applications, high-voltage gain, transformer-less, low-voltage stress, and efficient DC-DC boost converters are used. The main concern is keeping the voltage constant at the output ends of the converter by changing the voltage of the PV array or the value of the load under the maximum power of the array through the simple control approaches. This approach is well-known as the Maximum Power Point Tracking (MPPT). This study presents the control process for the Two-stage Switched-Capacitor (SC) cell-based boost converter with Proportional Integral (PI) and fuzzy logic controller methods. Two-stage SC cell-based boost converter has been used instead of the conventional boost converter to provide higher voltage gain and lower voltage stresses on the power switch. In the proposed study, the voltage gain and efficiency of the boost converter are computed utilizing the method of the inductors volt-second balance and capacitor current-charge approaches. The compared systems were tested at different input voltages, and the output voltage is fixed at 200 VDC. Results exhibit the comparison between PI controller and fuzzy logic controller algorithms applied to the converter. In this article, MATLAB / SIMULINK software was utilized. The final results demonstrate that the fuzzy logic controller has quicker performance compared with PI Control but the PI controller has less overshoots and undershoots at the change time of the input voltage or output load.

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Performance Assessment of a High-Powered Boost Converter for Photovoltaic Residential Implementations

Cited by 8 publications

References 10 publications

A Real-Time Energy Management System Design for a Developed PV-Based Distributed Generator Considering the Grid Code Requirements in Turkey

A Real-Time Energy Management System Design for a Developed PV-Based Distributed Generator Considering the Grid Code Requirements in Turkey

A transformer‐less single‐switch boost converter with high‐voltage gain and mitigated‐voltage stress applicable for photovoltaic utilizations

Maximum Power Point Tracking by the Small-Signal-Based PI and Fuzzy Logic Controller Approaches for a Two-stage Switched-Capacitor DC-DC Power Boost Converter; Applicable for Photovoltaic Utilizations

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