Browsing by Author "Lai, Ngoc Bao"
Now showing items 1-20 of 23
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A growing self-organising maps implementation for coherency identification in a power electronics dominated power system
(2020)
Conference lecture
Restricted access - publisher's policyThe presence of power electronics in today’s power systems strengthens due to the wider integration of renewable energy and energy storage systems. Subsequently, the dynamical response becomes harder to model and understand. ... -
AI-based damping of electromechanical oscillations by using grid-connected converter
(2021-03-05)
Article
Open AccessThe proliferation of grid-connected converter interfaced energy sources in Smart Grids, enhance sustainability and efficiency as well as minimizing power losses and costs. However, concerns arise regarding the stability ... -
Control of power converter in modern power systems
(Universitat Politècnica de Catalunya, 2022-03-23)
Doctoral thesis
Open AccessPower system is undergoing an unpreceded paradigm shift: from centralized to distributed generation. As the renewable-based generations and battery storage systems are increasingly displacing conventional generations, it ... -
Design of controller for virtual synchronous power plant
(2021-01-01)
Article
Open AccessThe increasing participation of renewables in power systems has forced system operators to strengthen grid codes requiring renewable power plants (RPPs) to provide fast frequency support such as inertia response and power ... -
Efficient management of energy storage systems using competitive controller
(Institute of Electrical and Electronics Engineers (IEEE), 2021)
Conference lecture
Restricted access - publisher's policyThis paper proposes a management strategy based on a transactive mechanism to improve the efficiency of energy storage systems. The proposed control scheme relies on a non-cooperative strategy where each system is at the ... -
Enhanced proportional-resonant (PR) controller with negative decoupling for weak grids
(2020)
Conference lecture
Restricted access - publisher's policyDuring the last decade the penetration of gridconnected RES systems has increased exponentially forcing power conversion industry to design new advanced controllers in order to comply with new requirements. The current ... -
External inertia emulation controller for grid-following power converter
(2021)
Article
Open AccessThe advent of renewable energy has posed difficulties in the operation of power systems whose net inertia is becoming critically low. To face such challenges, grid-forming power has been one of the potential solutions ... -
Frequency selective damping of sub-synchronous oscillations for grid-forming power converters
(Institute of Electrical and Electronics Engineers (IEEE), 2021)
Conference lecture
Restricted access - publisher's policyWith the advent of renewable energy, stability of power system is becoming more and more crucial. Recently, grid-forming converter concept has attracted much attention from the industry and academia as a potential solution ... -
Grid-following and grid-forming PV and wind turbines
(Academic Press, 2022-03-01)
Part of book or chapter of book
Restricted access - publisher's policyAs penetration of photovoltaic (PV) and wind generation systems driven by grid-connected power converters monotonously increases, unusual interactions between innovative and legacy generation systems become more concerning, ... -
Grid-forming power converter controller with artificial intelligence to attenuate inter-area modes
(2020)
Conference lecture
Restricted access - publisher's policyRenewable energy and battery energy storage systems are affecting the dynamics of power systems mainly due to the interconnection through power electronics with the electric grid. Specifically, the low inertia characterizing ... -
Grid-forming power converters tuned through artificial intelligence to damp subsynchronous interactions in electrical grids
(Institute of Electrical and Electronics Engineers (IEEE), 2020-05-18)
Article
Open AccessThe integration of non-synchronous generation units and energy storage through power electronics is introducing new challenges in power system dynamics. Specifically, the rotor angle stability has been identified as one ... -
Inertia emulation in power converters with communication delays
(2020)
Conference report
Restricted access - publisher's policyEmulating inertia using power converter has been an effective way to provide additional inertia to power electronic dominated power systems. Currently, the control algorithms for emulating inertia have been proposed ... -
LMI-based control design to enhance robustness of synchronous power controller
(Institute of Electrical and Electronics Engineers (IEEE), 2019)
Conference report
Open AccessSynchronous power controller (SPC) has emerged as a suitable technique to equip grid-connected inverters with grid supporting functionalities such as inertial emulation and frequency/voltage support by mimicking the behavior ... -
Multi-rotor virtual machine for grid-forming converter to damp sub-synchronous resonances
(Institute of Electrical and Electronics Engineers (IEEE), 2021)
Article
Open AccessGrid-forming power converters (GFMC) have been widely adopted in power systems as an attractive solution against the challenges imposed by the ever-increasing penetration of renewables. Despite its versatility, GFMC is ... -
Power quality services provided by virtually synchronous FACTS
(2019-08-27)
Article
Open AccessThe variable and unpredictable behavior of renewable energies impacts the performance of power systems negatively, threatening their stability and hindering their efficient operation. Flexible ac transmission systems (FACTS) ... -
Resynchronization strategy for a 200kVA grid- forming power converter
(Institute of Electrical and Electronics Engineers (IEEE), 2021)
Conference lecture
Restricted access - publisher's policyDuring the years, grid connected operation in power systems has been the key factor for renewable energy resource to be able to exchange energy to the electrical grid. However, with the increase of small power systems and ... -
Small-signal model and analysis of a grid-forming power converter based on the synchronous power controller
(2020)
Conference lecture
Restricted access - publisher's policyA grid-forming power converter based on the synchronous power controller (SPC) is a solution that through the flexible and adaptive emulation of the main functional blocks of a synchronous machine, allows to take advantage ... -
Synchronous fault compensator for voltage sensorless grid-following power converters
(2021)
Conference lecture
Restricted access - publisher's policyDuring the last decade, the penetration of grid-connected RES systems has been in constant increase, forcing those systems interfaced to the electrical grid to improve and design new advanced controllers to maintain the ... -
Synchronous power controller for distributed generation units
(Institute of Electrical and Electronics Engineers (IEEE), 2019)
Conference report
Open AccessRenewable energies has shown to be a promising solution to improve the energy injected to the electrical network. However, the lack of inertia in such systems have proven to affect the grid stability, as those technologies ... -
Virtual admittance PLL structure for grid-forming power converters in microgrids
(2020)
Conference lecture
Restricted access - publisher's policySynchronization plays a fundamental role in connecting power electronic converters with the grid. Conventionally, the synchronous reference frame phase-locked loop (SRF-PLL) has been widely used to estimate the grid phase ...
