Results 81 to 90 of about 4,264,238 (195)

A predictive control with flying capacitor balancing of a multicell active power filter [PDF]

open access: yes, 2008
Unlike traditional inverters, multicell inverters have the following advantages: lower switching frequency, high number of output levels, and less voltage constraints on the insulated-gate bipolar transistors.
Llor, Ana-Maria   +2 more
core   +1 more source

Overview of Research on Stability and Control of VSC-HVDC

open access: yes发电技术, 2019
Voltage source converter based high voltage direct current (VSC-HVDC) transmission systems has the advantages of good active and reactive power control capability and more suitable for multi-terminal transmission system.
Mingzhe WU, Wuhui CHEN
doaj   +1 more source

Wideband Oscillation Mechanism Analysis in VSC-HVDC Systems With Virtual Synchronous Machine in Master-Slave Mode

open access: yesIEEE Access
Virtual synchronous machine (VSM) has been applied in voltage source converter high voltage direct current (VSC-HVDC) system. This paper proposes a stability evaluation model for ‘rate of change of frequency-transient frequency excursion’ ...
Chang Li   +4 more
doaj   +1 more source

Inversor multiníveis híbrido trifásico baseado em módulos meia-ponte [PDF]

open access: yes, 2011
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia ElétricaO presente trabalho aborda o desenvolvimento e a implementação de novas estruturas de conversores multiníveis para inversores ...
Batschauer, Alessandro Luiz
core  

DC-DC Boost Converter with Constant Output Voltage for Grid Connected Photovoltaic Application System [PDF]

open access: yes, 2010
The main purpose of this paper is to introduce an approach to design a DC-DC boost converter with constant output voltage for grid connected photovoltaic application system.
Chan, Pui Weng
core  

Coordinated Active and Reactive Power Control of VSC-HVDC for Enhancing Static Voltage Stability in AC/DC Systems

open access: yesEnergies
When conducting research on the static voltage stability of AC/DC systems with voltage source converter-high voltage direct current (VSC-HVDC) transmission lines, the focus is often given to reactive power control, neglecting the potential from active ...
Jinpeng Guo   +5 more
doaj   +1 more source

Tuning harmonic absorption of voltage source converters

open access: yes, 2010
This paper develops a tool for controlling the harmonic absorption of hysteretic controlled voltage source converters that are connected to a power system. Each VSC is controlled by a state feedback control input to a hysteretic comparator.
Zare, F   +7 more
core   +1 more source

A novel linear regression density peak clustering‐based transmission line protection for line‐commuted converter‐voltage source converter hybrid high voltage direct current system

open access: yesHigh Voltage
Line‐commuted converter (LCC)–voltage source converter (VSC) hybrid high voltage direct current (HVDC) transmission system is an innovative technology, the existing LCC and VSC protection require setting, and it is difficult to be directly applied in the
Shunguang Lei   +5 more
doaj   +1 more source

PHOTOVOLTAIC BASED SHUNT ACTIVE POWER FILTER USING P-Q THEORY FOR ENHANCING THE POWER QUALITY

open access: yesElectrica, 2015
This paper proposes a three phase shunt active power filter with photovoltaic array and battery, incorporatedwith DC-DC boost converter. The filter consists of a three phase voltage source PWM converter with a DC capacitor atthe input side.
R. BALAMURUGAN, R. NITHYA
doaj   +2 more sources

Mid-frequency oscillation suppression methodology for offshore wind power VSC-HVDC system and its engineering validation

open access: yes电力工程技术
Potential mid-frequency oscillation risks associated with offshore wind power integration via a voltage source converter based high voltage direct current (VSC-HVDC) transmission system are addressed.
Zhiqiang YANG   +5 more
doaj   +1 more source

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