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Rotor voltage dynamics in the doubly fed induction generator during grid faults
(2010-01-29)
Article.
Accés obert
Article.
Accés obert
This paper presents a new control strategy for the rotor-side converter (RSC) of wind turbines (WTs) based on doubly fed induction generators (DFIG) that intends to improve its
low-voltage ride through capability. The ...
Optimized control of multi-terminal DC grids using particle swarm optimization
(2015-10-29)
Article.
Accés obert
Article.
Accés obert
The electric networks of the future will make an extensive use of DC grids. Therefore, the control of Multi-terminal DC (MTDC) grids is a key issue, which is gathering the attention of the industry and the research community. ...
Voltage sensorless control scheme based on extended-state estimator for a grid-connected inverter
(Institute of Electrical and Electronics Engineers (IEEE), 2020-06)
Article.
Accés obert
Article.
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This article presents a robust voltage sensorless control scheme to eliminate the need of line-voltage sensors in an LCL-filtered grid-connected inverter system. The proposed control scheme is based on an extended-state ...
Pulsewidth modulations for the comprehensive capacitor voltage balance of n-level two-leg diode-clamped converters
(2009-08)
Article.
Accés restringit per decisió de l'autor
Article.
Accés restringit per decisió de l'autor
In the previous literature, the introduction of the virtual space vector concept for the three-level three-leg neutral-point-clamped converter has led to the definition of pulsewidth modulation (PWM) strategies guaranteeing ...
Thermal and efficiency analysis of five-level multi-level clamped multilevel converter considering grid codes
(2013-06-05)
Article.
Accés obert
Article.
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In this paper a five-level Multi-Clamped
Multilevel Converter (5L-MLC2) topology is analyzed based on
a typical grid integration application for renewable energy
system. The loss and thermal distribution of the power ...
Pre-filtered synchronization structure for grid-connected power converters to reduce the stability impact of PLL dynamics
(Institute of Electrical and Electronics Engineers (IEEE), 2020)
Article.
Accés obert
Article.
Accés obert
Grid-connected converters under weak grid conditions could present instability associated with the synchronization elements and not directly with the current control loop. The impedance-based stability criterion is an ...
Impact of 100-MW-scale PV plants with synchronous power controllers on power system stability in northern Chile
(2017-08-03)
Article.
Accés obert
Article.
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© 2017, The Institution of Engineering and Technology. The impact that renewable energy sources interfaced by power electronics have on power systems becomes more important as their share in the generation mix increases, ...
Multilevel-clamped multilevel converters (MLC2)
(2012-03)
Article.
Accés restringit per política de l'editorial
Article.
Accés restringit per política de l'editorial
This letter introduces a new series of multilevel (ML)
converters based on the ML clamping concept. By applying this
technique, a ML clamping unit (MCU) conveys additional levels
for synthesizing the output waveforms ...
A unified power flow controller using a power electronics integrated transformer
(Institute of Electrical and Electronics Engineers (IEEE), 2019-02-05)
Article.
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Article.
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This paper presents a Unified Power Flow Controller (UPFC) application of the Custom Power Active Transformer (CPAT); a power electronics integrated transformer which provides services to the grid through ...
Custom power active transformer for flexible operation of power systems
(2017-08-15)
Article.
Accés obert
Article.
Accés obert
IEEE This paper presents a new transformer, i.e., the Custom Power Active Transformer (CPAT) which integrates both series and shunt power conditioning through power electronics in a single transformer. This is achieved ...