Performance of closed loop SEPIC converter with DC-DC converter for solar energy system

Kumar, Saurabh; Kumar, Rajat; Singh, Navdeep

doi:10.1109/icpces.2017.8117668

Cited by 20 publications

(12 citation statements)

References 11 publications

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“…The introduction of the DC-DC converter allows the FC to work at more optimal voltage levels even if they are lower than the voltage of the batteries, as the converter will step its input voltage (FC's voltage) up to the output voltage (DC bus voltage). Nevertheless, as the output power is smaller than the input one due to the converter efficiency, a higher output voltage leads to lower output current [47]. Equation ( 15) can be rewritten as:…”

Section: Semi-active Hybrid Configurationmentioning

confidence: 99%

Industrial Robots Fuel Cell Based Hybrid Power-Trains: A Comparison between Different Configurations

et al. 2021

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Electric vehicles are becoming more and more popular. One of the most promising possible solutions is one where a hybrid powertrain made up of a FC (Fuel Cell) and a battery is used. This type of vehicle offers great autonomy and high recharging speed, which makes them ideal for many industrial applications. In this work, three ways to build a hybrid power-train are presented and compared. To illustrate this, the case of an industrial robot designed to move loads within a fully automated factory is used. The analysis and comparison are carried out through different objective criteria that indicate the power-train performance in different battery charge levels. The hybrid configurations are tested using real power profiles of the industrial robot. Finally, simulation results show the performance of each hybrid configuration in terms of hydrogen consumption, battery and FC degradation, and dc bus voltage and current regulation.

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Section: Semi-active Hybrid Configurationmentioning

confidence: 99%

Industrial Robots Fuel Cell Based Hybrid Power-Trains: A Comparison between Different Configurations

et al. 2021

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“…. 𝑖) are the IT2 fuzzy set terms modelling, and the lower and upper consequences [𝑦 𝑁 , 𝑦 𝑁 ̅̅̅̅ ]represent the interval bounded of 𝑌 𝑁 [5].…”

Section: Type 2 Fuzzy Logic Controlmentioning

confidence: 99%

“…The control uses type 2 fuzzy logic controller. The advantages of using FLC type 2 are that it is more reliable and stable, has more factor control errors than the other controls, handles uncertainty better than FLC type 1 and can reach set point values faster than the other controls [5]. The FLC type 2 method uses to this study is Sugeno method, which produces output in the form of a constant or linear equation [6].…”

Section: Introductionmentioning

confidence: 99%

An Accurate Battery Charger SEPIC-Coupled Inductor Using Fuzzy Type 2

Putri¹,

Sudiharto²,

Murdianto³

2021

Intek

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Recently, the needs of electrical energy have increased in line with the increasing population in Indonesia. Electrical in order to save the use of fossil energy, renewable is used, namely solar energy. Solar energy depends on the conditions of sunlight and the temperature of the solar panel. So, if the solar panel is directly connected to the battery, it will cause the battery be damaged. To overcome this, a controlled DC-DC converter is needed to stabilize the solar panel output before connecting to the battery. The DC-DC converter that used is a SEPIC coupled inductor converter, this converter has the ability to increase efficiency, the output polarity is not reversed, and avoid input current ripple. The control used to adjust the output of the SEPIC converter is a type 2 fuzzy logic controller because it has ability to find a set point value faster than other control logics and can handle uncertainty better than a type 1 fuzzy logic controller. The output of the SEPIC converter is used for charging lithium ion battery with a capacity 12V 21Ah. The output value of the SEPIC converter is 12.6V for charging voltage and 7A for charging current. The method used for battery charging is the constant current constant voltage method (cc-cv).

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“…Figure 7. Boost converter circuit diagram (Kumar et al, 2017) As a result, it is possible to determine the inductance and capacitance values required for the inductor and capacitor of a boost converter with an input voltage of 580 V and an output voltage of 800 V.…”

Section: Dc-dc Boost Convertermentioning

confidence: 99%

Two-Stage Three-Phase Grid-Tied Photovoltaic System with MPPT Method

Dayioğlu

Oğuz

Yönetken

2021

Afyon Kocatepe Üniversitesi Uluslararası Mühendislik Teknolojileri Ve Uygulamalı Bilimler Dergisi

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Bu çalışma, fotovoltaik (FV) sistem tarafından üretilen gücün, üç fazlı alternatif akım (AA) güç şebekesine maksimum verimle iki aşamada kontrol edilerek aktarılmasını incelemektedir. Tasarlanan FV sistemi ile güç kararlılığını sağlamak için kaynaktan yüksek verimle alınan enerjinin maksimum güç noktası izleme (MGNT) yöntemi kullanılarak ağa aktarılması amaçlanmaktadır. Ayrıca ikinci bir kontrol mekanizması ile evirici çıkışındaki akım anlık olarak kontrol edilmekte ve üretilen gücün gerilim değeri sabit tutulmaktadır. Bu kontrol sistemi sayesinde güneş enerjisi, elektrik enerjisi üretiminden elektrik şebekesine aktarılmasına kadar kontrol altında tutulmuştur. Üretilen gücün kalitesinin tahmin edilebilmesi için bilgisayar ortamında yapılan simülasyonlar sonucunda FV sistem çıkışındaki akımın toplam harmonik bozulma (THB) oranı belirlenmiştir. Simüle edilen FV sisteminin, farklı güneş ışınım seviyeleri değerlerine göre, şebekeye aktarılacak gücün voltaj değerini istenilen seviyede sabit tutma eğiliminde olduğu ve maksimum güç üretimi sırasında THB değerinin yüzde üçün altına düşürüldüğü görülmektedir.

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Performance of closed loop SEPIC converter with DC-DC converter for solar energy system

Cited by 20 publications

References 11 publications

Industrial Robots Fuel Cell Based Hybrid Power-Trains: A Comparison between Different Configurations

Industrial Robots Fuel Cell Based Hybrid Power-Trains: A Comparison between Different Configurations

An Accurate Battery Charger SEPIC-Coupled Inductor Using Fuzzy Type 2

Two-Stage Three-Phase Grid-Tied Photovoltaic System with MPPT Method

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