Listar por autoría "5e6300bf-1cb4-4a0b-9fd8-e21e1a84fb6b"
Mostrando ítems 1-16 de 16
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Admittance study of grid-connected VSCs for harmonic oscillatory instabilities
IET (2019-07)Voltage source converters (VSCs) can reduce damping of grid-connected VSC systems at harmonic resonances, leading to system instability. The conductance of the VSC admittance can be shaped selecting appropriate VSC parameter ... -
Aeronautical ground lighting system study: field measurements and simulations
Institution of Engineering and Technology (IET) (2016)Aeronautical ground lighting (AGL) systems are single-phase series circuits where constant current regulators supply transformers and luminaires. These systems provide visual reference to aircraft during airport operations. ...
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Assessment of Subsynchronous Oscillations in AC grid-connected VSC Systems with Type-4 Wind Turbines
The Institution of Engineering and Technology (IET) (2019-10-16)Converters are the key for the increasing development of renewable energy generation but their dynamic interaction with the grid has an important impact on stability. Oscillatory instabilities in different grid-connected ...
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Effect of wind turbine converter control on wind power plant harmonic response and resonances
The Institution of Engineering and Technology (2017-02)Wind turbine harmonic emissions due to power electronics are a well-known power quality concern in wind power plants (WPPs). This problem may be increased by resonances because they amplify harmonic distortion around ...
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Harmonic Resonance Stability of Aeronautical Ground Lighting Systems
IEEE (2018-02)Aeronautical ground lighting (AGL) systems assist aircraft pilots in airport operations. These systems are singlephase series circuits where constant current regulators (CCRs) feed luminaires with an adjustable rms current. ...
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Model of Aeronautical Ground Lighting System Transformers
Institution of Engineering and Technology (IET) (2014-09)Aeronautical ground lighting (AGL) systems provide visual reference to aircraft during airport operations. In AGL systems, constant current regulators feed a series circuit composed of luminaires supplied through ...
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Positive-Net-Damping Stability Criterion in Grid-Connected VSC Systems
Institute of Electrical and Electronics Engineers (IEEE) (2017-05)Resonance instabilities in power systems can be assessed with the positive-net-damping stability criterion. This criterion is a review of the complex torque coefficients method but it does not provide the frequency of the ...
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Quasi-Z-Source Inverter-Based Photovoltaic Power System Modeling for Grid Stability Studies
MDPI (2021-01-19)Quasi-Z-source inverters (qZSIs) are becoming a powerful power conversion technology in photovoltaic (PV) power systems because they allow energy power conversion in a single stage operation. However, they can cause ...
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Resonance-Based Procedure for Locating Failed Luminaires in AGL Systems
Institute of Electrical and Electronics Engineers (IEEE) (2017-08)Aeronautical ground lighting (AGL) systems provide a visual reference for aircraft during airport operations. Fast detection and location of failed luminaires is an important safety concern in AGL systems. In the event of ...
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State-Space Model of Quasi-Z-Source Inverter-PV Systems for Transient Dynamics Studies and Network Stability Assessment
MDPI (2021-07-09)Photovoltaic (PV) power systems are increasingly being used as renewable power generation sources. Quasi-Z-source inverters (qZSI) are a recent, high-potential technology that can be used to integrate PV power systems into ...
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State-Space Model of qZSI based PMSG-WPGSs for Transient Dynamic Studies
IEEE (2021)The use of permanent magnet synchronous generators (PMSGs) with full-scale back-to-back converters is rising as a common option in wind power generation systems (WPGSs). An efficient grid integration of PMSG-WPGSs is ...
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Study of resonance in wind parks
Elsevier (2015)Wind turbine harmonic current emissions are a well-known power quality problem. These emissions flow through wind park impedances, leading to grid voltage distortion. Parallel resonance may worsen the problem because it ...
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Study of Resonances in 1X25 kV AC Traction Systems With External Balancing Equipment
IEEE (2016-10)AC traction systems are 1 × 25 or 2 × 25 kV/50 Hz single-phase, nonlinear, time-varying loads that can cause power-quality problems, such as unbalanced or distorted voltages. To reduce unbalance, external balancing equipment ...
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Study of resonances in 1x25kV AC traction systems
(2015)Abstract: AC traction systems are 1x25 or 2x25 kV 50 Hz single-phase, non-linear, time-varying loads that can cause power quality problems. One of the main concerns about these systems is voltage distortion because ...
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Three-Port Small Signal Admittance-Based Model of VSCs for Studies of Multi-terminal HVDC Hybrid AC/DC Transmission Grids
IEEE (2020-06-19)Multi-terminal high voltage direct current (HVDC) systems, together with AC transmission systems and voltage source converters (VSCs), form hybrid AC/DC grids with complex dynamic and transient interactions. VSCs ...
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Wind power plant resonances
North Sea Conference & Journal LTD (2016-12)Onshore and offshore wind power plants comprising wind turbines equipped with power converters are increasing in number worldwide. Harmonic emissions in power converters distort currents and voltages, leading ...
