Browsing by Author "Karatepe, Engin"
Now showing items 1-9 of 9
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A virtual reality study of surrounding obstacles on BIPV systems for estimation of long-term performance of partially shaded PV arrays
(2013-12)
Article
Restricted access - publisher's policyThis work presents a new analytical method to evaluate the efficiency of PV systems working in partial shading conditions by taking into account the effect of surrounding obstacles. A mathematical procedure to determine ... -
An efficient fault diagnosis method for PV systems based on operating voltage-window
(2013-09)
Article
Restricted access - publisher's policyWith the increasing use of photovoltaic (PV) systems, the research studies to improve the efficiency of PV systems have gained greater interest in recent years, especially under non-uniform operating conditions. However, ... -
Analysis of current and voltage indicators in grid connected PV (photovoltaic) systems working in faulty and partial shading conditions
(2015-06-12)
Article
Open AccessTo ensure the optimization of the energy generated by grid connected PV (photovoltaic) systems is necessary to plan a strategy of automatic fault detection. The analysis of current and voltage indicators have demonstrated ... -
Analysis of spatial fixed PV arrays configurations to maximize energy harvesting in BIPV applications
(2015-03-02)
Article
Open AccessThis paper presents a new approach for efficient utilization of building integrated photovoltaic (BIPV) systems under partial shading conditions in urban areas. The aim of this study is to find out the best electrical ... -
Global MPPT scheme for photovoltaic string inverters based on restricted voltage window search algorithm
(Institute of Electrical and Electronics Engineers (IEEE), 2014-07-01)
Article
Restricted access - publisher's policyString inverter photovoltaic (PV) systems with bypass diodes require improved global maximum power point tracking (GMPPT) algorithms to effectively reach the absolute maximum power operating point. Several GMPPT algorithms ... -
Monitoring, modelling and simulation of PV systems using LabVIEW
(2013-05)
Article
Restricted access - publisher's policyThis paper presents a detailed characterization of the performance and dynamic behaviour of photovoltaic systems by using LabVIEW real-time interface system. The developed software tool integrates several types of instruments ... -
New procedure for fault detection in grid connected PV systems based on the evaluation of current and voltage indicators
(2014-05-27)
Article
Restricted access - publisher's policyIn this work we present a new procedure for automatic fault detection in grid connected photovoltaic (PV) systems. This method is based on the evaluation of new current and voltage indicators. Thresholds for these indicators ... -
Simple diagnostic approach for determining of faulted PV modules in string based PV arrays
(2012-11)
Article
Restricted access - publisher's policyThis paper proposes a simple diagnostic method to determine the number of open and short circuited PV modules in a string of a PV system by taking into account the economical factor, such as minimum number of sensors. The ... -
Voltage band based global MPPT controller for photovoltaic systems
(2013-09)
Article
Restricted access - publisher's policyThis paper presents a new maximum power point tracking algorithm for PV systems useful in case of non-uniform irradiance conditions. This algorithm takes into account the number of bypass diodes in a PV string to calculate ...
