Energy Reports, 2022 With the continuous improvement of the penetration level of wind power in the power system, the grid-forming mode of wind turbine will gradually become one of the main modes of system synchronization.
Jianzu Hu +4 more
doaj +1 more source
Fault-Tolerant Data Sharing for High-level Grid Programming: A Hierarchical Storage Architecture [PDF]
, 2006 International audienceEnabling high-level programming models on grids is today a major challenge. A way to achieve this goal relies on the use of environments able to transparently and automatically provide adequate support for low-level, grid-specific ...
Aldinucci, Marco +3 more
core +2 more sources
Grid Voltage Synchronization for Distributed Generation Systems Under Grid Fault Conditions [PDF]
IEEE Transactions on Industry Applications, 2015 The actual grid code requirements for the grid connection of distributed generation systems, mainly wind and photovoltaic (PV) systems, are becoming very demanding. The transmission system operators (TSOs) are especially concerned about the low-voltage-ride-through requirements.
Luna Alloza, Álvaro +6 more
openaire +4 more sources
Grounding Grid Fault Diagnosis With Emphasis on Substation Electromagnetic Interference
IEEE Access, 2022 Grounding grid fault diagnosis is essential for the safe operation of a substation. However, the substation vicinity is highly electromagnetic. Therefore, the electromagnetic-based fault diagnosis is vulnerable to electromagnetic interference (EMI). This
Aamir Qamar +3 more
doaj +1 more source
Improved DFIG Capability during Asymmetrical Grid Faults [PDF]
, 2015 In the wind power application, different asymmetrical types of the grid fault can be categorized after the Y/d transformer, and the positive and negative components of a single-phase fault, phase-to-phase fault, and two-phase fault can be summarized. Due
Blaabjerg, Frede, Zhou, Dao
core +2 more sources
Current-limiting droop controller with fault-ride-through capability for grid-tied inverters [PDF]
, 2017 In this paper, the recently proposed current-limiting droop (CLD) controller for grid-connected inverters is enhanced in order to comply with the Fault-Ride-Through (FRT) requirements set by the Grid Code under grid voltage sags.
Konstantopoulos, G.C. +3 more
core +1 more source
Grid voltage sensor fault‐tolerant control for single‐phase two‐level PWM rectifier
IET Electric Power Applications, 2022 The main purpose of this work is to address the problem of robust grid voltage sensor fault‐tolerant control for a single‐phase two‐level rectifier. First, considering a rectifier with disturbances and grid voltage sensor fault, the standard switched ...
Zifeng Gong +4 more
doaj +1 more source
Fault Detecting and Isolating Schemes in a Low-Voltage DC Microgrid Network from a Remote Village
Energies, 2022 Fault detection and isolation are important tasks to improve the protection system of low voltage direct current (LVDC) networks. Nowadays, there are challenges related to the protection strategies in the LVDC systems. In this paper, two proposed methods
Pascal Hategekimana +3 more
doaj +1 more source
Advanced Control Strategy of DFIG Wind Turbines for Power System Fault Ride Through [PDF]
, 2012 This paper presents an advanced control strategy for the rotor and grid side converters of the doubly fed induction generator (DFIG) based wind turbine (WT) to enhance the low-voltage ride-through (LVRT) capability according to the grid connection ...
Dong, Zhao Yang +4 more
core +2 more sources
Calculation method of short-circuit fault current in flexible DC grid
Energy Reports, 2022 The flexible DC grid has the capability to transport and distribute electric energy in multiterminal power system, and avoid the adverse impact on AC power grid in reactive power consumption and current harmonic.
Shuai Yuan +5 more
doaj +1 more source