A Real Maximum Power Point Tracking Method for Mismatching Compensation in PV Array Under Partially Shaded Conditions

Ji, Yongsung; Jung, Duk Young; Kim, Jun-Gu; Kim, Jae-Hyung; Lee, Tae-Won; Won, Chung-Yuen

doi:10.1109/tpel.2010.2089537

Cited by 445 publications

(135 citation statements)

References 15 publications

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“…In the first system (S1), the DSMPP method is implemented. In the second system (S2), the linear function method [39] is used. In the third system (S3), two-stage method [33] is used to find the GMPP under partially shaded conditions.…”

Section: Simulation Resultsmentioning

confidence: 99%

“…Thus, the new MPP is located immediately below the MPP of uniform illumination, but as clearly shown, the new location is not the GMPP. In [39], the linear function method, which is defined by Equation (14) [39] is used to find the GMPP by shifting the reference voltage to the new operating point, followed by using the incremental conductance (IC) method.…”

Section: Maximum Power Point Tracking (Mppt) Based On a Linearmentioning

confidence: 99%

“…The scenario which is shown in Figure 16 is considered to investigate the effectiveness of the proposed method in reality which the experimental results for this scenario are shown in Figure 17. According to the linear function method [39] implemented in S2, under PSCs, the MPP related to the new reference voltage should be the GMPP; however, as shown in Figures 16b and 17, S2 fails to find the GMPP, and a LMPP with a value of 278.8 W is detected. For S1 and S3, where DSMPP and two-stage methods are implemented, respectively, the GMPP is obtained correctly.…”

Section: Hardware Implementationmentioning

confidence: 99%

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Dual Search Maximum Power Point (DSMPP) Algorithm Based on Mathematical Analysis under Shaded Conditions

et al. 2015

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Photovoltaic (PV) systems represent a clean, renewable source of energy that has non-linear current-voltage (I-V) and power-voltage (P-V) characteristics. To increase the efficiency, a PV system must operate at the maximum power point (MPP) to produce the maximum available power. Under uniform conditions, there is only a single MPP in the P-V curve of a PV system; however, determining the MPP is more complicated under partially shaded conditions (PSCs) because multiple peak power points exist. In recent years, various studies have been performed to obtain the highest peak power point under PSCs, which is referred to as the global maximum power point (GMPP). In this paper, a novel method based on mathematical analysis that reduces the search zone and simultaneously identifies the possible MPPs in the specified zone is proposed; this proposed method is called the dual search maximum power point (DSMPP) algorithm. To evaluate the effectiveness of the proposed method, simulation and hardware implementations are carried out. The results show that the search time of GMPP is significantly reduced and the GMPP is detected in the minimum amount of time with high accuracy and minimum oscillation in the power produced. OPEN ACCESSEnergies 2015, 8 12117

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Section: Simulation Resultsmentioning

confidence: 99%

Section: Maximum Power Point Tracking (Mppt) Based On a Linearmentioning

confidence: 99%

Section: Hardware Implementationmentioning

confidence: 99%

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Dual Search Maximum Power Point (DSMPP) Algorithm Based on Mathematical Analysis under Shaded Conditions

et al. 2015

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“…The incremental conductance algorithm has been modified to perform a simple linear equation for monitoring the GMPP [24]. The hardware complexity in this method requires additional measuring circuits at the inverter output.…”

Section: Other Methodsmentioning

confidence: 99%

A Review of MPPT Algorithms for Partial Shading Conditions

Erdem

2017

Acta Phys. Pol. A

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Maximum power point tracker in a photovoltaic system allows to maximize the energy drawn from the connected photovoltaic modules. In the partial shade conditions there can be more than one maximum point in photovoltaic output power curve. The solution for this situation is a maximum power point tracker algorithm, which finds the global maximum. In literature, there is a large number of studies on maximum power point trackers. Therefore designers are drowning in a sea of knowledge. This study eliminates similar studies and classified them into groups, and at the end of the study a comparison table is given to guide the designers in the performance information of the selected studies. This study aims to guide the designers to make a sensible selection of a maximum power point tracker algorithm for partial shade conditions.

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“…This problem is mitigated in [10] by an adaptive P&O algorithm that tunes the perturbation amplitude to the actual operating condition. In another work, the incremental conductance algorithm was proposed to deal with partially shaded conditions (PSC) [11]. It uses the variations of the input voltage and current to detect the occurrence of PSC.…”

Section: Introductionmentioning

confidence: 99%

Management of solar energy in microgrids using IoT-based dependable control

Phung

Villefromoy

2017

2017 20th International Conference on Electrical Machines and Systems (ICEMS)

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Abstract-Solar energy generation requires efficient monitoring and management in moving towards technologies for netzero energy buildings. This paper presents a dependable control system based on the Internet of Things (IoT) to control and manage the energy flow of renewable energy collected by solar panels within a microgrid. Data for optimal control include not only measurements from local sensors but also meteorological information retrieved in real-time from online sources. For system fault tolerance across the whole distributed control system featuring multiple controllers, dependable controllers are developed to control and optimise the tracking performance of photovoltaic arrays to maximally capture solar radiation and maintain system resilience and reliability in real time despite failures of one or more redundant controllers due to a problem with communication, hardware or cybersecurity. Experimental results have been obtained to evaluate the validity of the proposed approach.

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A Real Maximum Power Point Tracking Method for Mismatching Compensation in PV Array Under Partially Shaded Conditions

Cited by 445 publications

References 15 publications

Dual Search Maximum Power Point (DSMPP) Algorithm Based on Mathematical Analysis under Shaded Conditions

Dual Search Maximum Power Point (DSMPP) Algorithm Based on Mathematical Analysis under Shaded Conditions

A Review of MPPT Algorithms for Partial Shading Conditions

Management of solar energy in microgrids using IoT-based dependable control

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