A comprehensive review on grid connected photovoltaic inverters, their modulation techniques, and control strategies

MY Ali Khan, H Liu, Z Yang, X Yuan - Energies, 2020 - mdpi.com
The installation of photovoltaic (PV) system for electrical power generation has gained a
substantial interest in the power system for clean and green energy. However, having the …

Review and comparison of grid-tied inverter controllers in microgrids

Q Liu, T Caldognetto, S Buso - IEEE Transactions on Power …, 2019 - ieeexplore.ieee.org
Grid-tied inverters are widely used for interfacing renewable energy sources or storage
devices to low-voltage electrical power distribution systems. Lately, a number of different …

Transient angle stability of virtual synchronous generators using Lyapunov's direct method

Z Shuai, C Shen, X Liu, Z Li… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
With an increasing number of distributed energy resources integrated into the power system,
inverters need to take on the corresponding responsibility for the security and stability of the …

Fault analysis of inverter-interfaced distributed generators with different control schemes

Z Shuai, C Shen, X Yin, X Liu… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
Diversification of control schemes adopted by inverter-interfaced distributed generators
(IIDGs) leads to difficulties in fault current estimation in a microgrid, which might make …

A comprehensive review of control strategies to overcome challenges during LVRT in PV systems

J Joshi, AK Swami, V Jately, B Azzopardi - IEEE Access, 2021 - ieeexplore.ieee.org
Due to the high penetration of grid-connected photovoltaic (GCPV) systems, the network
operators are regularly updating the grid codes to ensure that the operation of GCPV …

Design-oriented analysis and transient stability enhancement control for a virtual synchronous generator

P Ge, C Tu, F Xiao, Q Guo, J Gao - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Under fault conditions, virtual synchronous generators (VSGs) are prone to lose transient
stability, similar to synchronous generators. However, the existing studies on VSG transient …

A virtual-impedance droop control for accurate active power control and reactive power sharing using capacitive-coupling inverters

W Deng, NY Dai, KW Lao… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Capacitive-coupling inverters (CCIs) have low operation voltage and enhanced reactive
power control capability. It is a promising alternative to provide reactive power and voltage …

Vector current control derived from direct power control for grid-connected inverters

Y Gui, X Wang, F Blaabjerg - IEEE Transactions on Power …, 2018 - ieeexplore.ieee.org
We propose a vector current control derived from direct power control (VCC-DPC) for a three-
phase voltage source inverter (VSI) in the synchronous rotating frame through instantaneous …

A novel CH5 inverter for single-phase transformerless photovoltaic system applications

X Guo - IEEE Transactions on Circuits and Systems II: Express …, 2017 - ieeexplore.ieee.org
Versatile single-phase voltage source inverters with unipolar voltage pulse and leakage
current elimination capability have been extensively investigated for transformerless PV …

Three-phase CH7 inverter with a new space vector modulation to reduce leakage current for transformerless photovoltaic systems

X Guo - IEEE Journal of Emerging and Selected Topics in …, 2017 - ieeexplore.ieee.org
Leakage current reduction is crucial for the transformerless photovoltaic inverters. The
conventional three-phase current source H6 inverter suffers from the large leakage current …