Extended functionalities of photovoltaic systems with flexible power point tracking: Recent advances

HD Tafti, G Konstantinou, CD Townsend… - … on Power Electronics, 2020 - ieeexplore.ieee.org
The power system is experiencing an ever-increasing integration of photovoltaic power
plants (PVPPs), which leads to the demand on the power system operators to force new …

Establishment of fault current characteristics for solar photovoltaic generator considering low voltage ride through and reactive current injection requirement

KH Oon, CK Tan, AHA Bakar, HS Che… - … and Sustainable Energy …, 2018 - Elsevier
Fault current studies are often required to determine the proper settings for the overcurrent
relays. The conventional synchronous generators are known to exhibit high current …

A general constant power generation algorithm for photovoltaic systems

HD Tafti, AI Maswood, G Konstantinou… - … on Power Electronics, 2017 - ieeexplore.ieee.org
Photovoltaic power plants (PVPPs) typically operate by tracking the maximum power point
(MPP) in order to maximize the conversion efficiency. However, with the continuous increase …

An adaptive control scheme for flexible power point tracking in photovoltaic systems

HD Tafti, A Sangwongwanich, Y Yang… - … on Power Electronics, 2018 - ieeexplore.ieee.org
One of the major concerns associated with the increasing penetration of grid-connected
photovoltaic (PV) power plants is the operational challenges (eg, overloading and …

A fault detection method of microgrids with grid-connected inverter interfaced distributed generators based on the PQ control strategy

F Zhang, L Mu - IEEE Transactions on Smart Grid, 2018 - ieeexplore.ieee.org
The fault characteristics of an inverter interfaced distributed generator (IIDG) depend on its
control strategy and whether it has a low voltage ride-through (LVRT) capability, which …

Flexible control of photovoltaic grid-connected cascaded H-bridge converters during unbalanced voltage sags

HD Tafti, AI Maswood, G Konstantinou… - IEEE Transactions …, 2017 - ieeexplore.ieee.org
Multilevel cascade H-bridge (CHB) converters are one of the promising solutions for medium-
and large-scale grid-connected photovoltaic power plants. However, there is a lack of a …

Modeling and initialization of a virtual synchronous machine for power system fundamental frequency simulations

B Barać, M Krpan, T Capuder, I Kuzle - IEEE access, 2021 - ieeexplore.ieee.org
The share of renewable energy sources interfaced to the bulk power system through power
electronic devices is continuously increasing. As a result, the power systems of the future …

A flexible power point tracking algorithm for photovoltaic system under partial shading condition

Z Xie, Z Wu - Sustainable Energy Technologies and Assessments, 2022 - Elsevier
This paper proposes a novel flexible power point tracking (FPPT) method under partial
shading conditions (PSC) to control the power delivered to the grid and make it less than the …

A multi-mode flexible power point tracking algorithm for photovoltaic power plants

HD Tafti, CD Townsend… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
Flexible power point tracking (FPPT) is the control of active power generated by grid-
connected photovoltaic power plants (GCPVPPs) to provide grid-support functionality. An …

Active/reactive power control of photovoltaic grid‐tied inverters with peak current limitation and zero active power oscillation during unbalanced voltage sags

H Dehghani Tafti, AI Maswood… - IET Power …, 2018 - Wiley Online Library
This paper proposes an analytical expression for the calculation of active and reactive
power references of a grid‐tied inverter, which limits the peak current of the inverter during …