A low-cost photovoltaic (PV) array monitoring system

Rivai, Ahmad; Rahim, N.A.

doi:10.1109/ceat.2013.6775620

Cited by 15 publications

(8 citation statements)

References 7 publications

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“…However, in some cases, researchers have also used real-time sensors to monitor the PV system to assess for quality control issues. A few researchers have already proposed a low-cost PV monitoring system which uses sensors to measure incoming solar irradiance, ambient and module temperature, open-circuit voltage, short-circuit current, attributes associated with max power, fill factor, and PV panel efficiency [55]. In these cases, the researchers have proposed the hardware application to use of off-the-shelf sensors, such as a pyranometer for solar irradiance, thermocouple to detect temperature, shunt resistor to measure current, and voltage divider to obtain voltage.…”

Section: Predictive Maintenance Using Real-time Sensorsmentioning

confidence: 99%

“…In these cases, the researchers have proposed the hardware application to use of off-the-shelf sensors, such as a pyranometer for solar irradiance, thermocouple to detect temperature, shunt resistor to measure current, and voltage divider to obtain voltage. Software applications have been developed using both Visual Basic [55] and LabVIEW [56,57]. When an Arduino is used as an analyzer and microcontroller [58], results have proven comparable to the commercially available PV analyzers (such as the Solmetric I-V curve tracer).…”

Section: Predictive Maintenance Using Real-time Sensorsmentioning

confidence: 99%

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PV System Predictive Maintenance: Challenges, Current Approaches, and Opportunities

et al. 2020

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Within the United States solar energy industry, there is a general motto of “set it and forget it” with solar energy. This notion is derived from much of the research and reliability studies around the photovoltaic (PV) panels themselves, not necessarily the PV system as a whole (including the inverter and other components). This implies that maintenance and regular monitoring is not needed. Yet many things can go wrong to cause the actual performance to deviate from the expected performance. If failures and/or unanticipated degradation issues go undetected, they will lead to reduced energy generation (and associated electricity credits) and/or potential loss of component warranty because of manufacturer turnover. Given the size of the problem and gaps with current solutions, the authors propose that PV system owners need an unbiased third-party off-the-shelf system-level predictive maintenance tool to optimize return-on-investment and minimize time to warranty claim in PV installations. This paper reviews the literature highlighting challenges, current approaches, and opportunities for PV predictive maintenance. The paper concludes with a call to action for establishing a collaborative agenda toward prioritizing PV predictive maintenance.

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Section: Predictive Maintenance Using Real-time Sensorsmentioning

confidence: 99%

Section: Predictive Maintenance Using Real-time Sensorsmentioning

confidence: 99%

PV System Predictive Maintenance: Challenges, Current Approaches, and Opportunities

et al. 2020

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“…The sampling time and the step size must be wisely chosen to optimize the performance level of I-V curve tracer [9][10][11][12]. Since the duty cycle provided by SEPIC will be generated in automatic mode, sampling time and step size play very important roles in determining the I-V curve tracer performance.…”

Section: Optimize the I-v Curve Tracer Performancementioning

confidence: 99%

Internet of things (IoT) based I-V curve tracer for photovoltaic monitoring systems

B.¹,

Tajuddin²,

Ghazali³

et al. 2019

IJEECS

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This paper presents a low-cost PV current-voltage or I-V curve tracer that has the Internet of Things (IoT) capability. Single ended primary inductance converter (SEPIC) is used to develop the I-V tracer, which is able to cope with rapidly changing irradiation conditions. The I-V tracer control software also has the ability to automatically adapt to the varying irradiation conditions. The performance of the I-V curve tracer is evaluated and verified using simulation and experimental tests.

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“…Sensor ini menggunakan sensor PT202C phototransistor [4]. Pengembangan alat ukur berbiaya murah ini juga dilakukan di Kuala Lumpur Malaysia dengan merancang suatu alat monitoring PV Array untuk monitoring karakteristik solar irradiance menggunakan solar irradiance sensor, sensor yang digunakan adalah Pyranometer LI-200, alat rancangan beliau menggunakan mikrokontroller Atmega8535 [5].…”

Section: Tinjauan Pustakaunclassified

Analisis Kalibrasi Sensor Bh1750 Untuk Mengukur Radiasi Matahari Di Pekanbaru

Perdana¹,

Rosma²

2018

Preprint

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Solar irradiance is one of significant parameter to describe to available potential of solar energy in a particular location. Measuring solar irradiance can be implemented by using different types of sensors, namely: pyranometer, pyrheliometer, light dependent resistor, photodioda and phototransistor. However, when implementing these sensors for solar energy potential measurement, a number of factors must be considered such as: sensor’s price and measurement capability. Therefore, the aim of this article is to analyze the used of low price solar irradiance sensor as part of automatic solar station for measuring solar energy potential in a particular site. BH1750 was used in this article where it has been found that it has limitations such as maximum capability is up to 55.000 lux. A method was introduced to increase measurement capability by putting a cover on the sensor. With this additional cover, specific calibrations need to be carried out to overcome sensor’s accuracy.

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A low-cost photovoltaic (PV) array monitoring system

Cited by 15 publications

References 7 publications

PV System Predictive Maintenance: Challenges, Current Approaches, and Opportunities

PV System Predictive Maintenance: Challenges, Current Approaches, and Opportunities

Internet of things (IoT) based I-V curve tracer for photovoltaic monitoring systems

Analisis Kalibrasi Sensor Bh1750 Untuk Mengukur Radiasi Matahari Di Pekanbaru

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