Snubber resistor influence in the thyristor valves failure on the static VAR compensator
Sign Up to like & getrecommendations! Published in 2018 at "Engineering Failure Analysis"
DOI: 10.1016/j.engfailanal.2018.03.001
Abstract: Abstract In this research, a complex engineering failure analysis is done for a static VAR compensator (SVC), it was installed in Peru 220 kV system. The research introduce the selected results of the simulations and field… read more here.
Keywords: thyristor; system; snubber resistor; static var ... See more keywords
Power quality and reactive power of water electrolyzers supplied with thyristor converters
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Power Sources"
DOI: 10.1016/j.jpowsour.2020.228075
Abstract: Abstract Industrial water electrolyzers apply direct current in kiloampere ranges. Therefore, rectifiers are typically based on thyristors despite the high amplitude current fluctuation excited by the rectifier. This paper studies the effect of thyristor rectifiers… read more here.
Keywords: thyristor; water; power quality; power ... See more keywords
Performance of thyristor memory device formed by a wet etching process.
Sign Up to like & getrecommendations! Published in 2019 at "Nanotechnology"
DOI: 10.1088/1361-6528/aaec5b
Abstract: Thyristor random access memory without a capacitor has been highlighted for its significant potential to replace current dynamic random access memory. We fabricated a two-terminal (2-T) thyristor by wet chemical etching techniques on n+-p-n-p+ silicon… read more here.
Keywords: thyristor; thyristor memory; performance thyristor; memory ... See more keywords
A high di/dt 4H-SiC thyristor with ‘-shaped’ n-base
Sign Up to like & getrecommendations! Published in 2019 at "Semiconductor Science and Technology"
DOI: 10.1088/1361-6641/ab0235
Abstract: A high di/dt 4H-SiC thyristor with '-shaped' n-base is proposed and investigated by simulation. Unlike the conventional SiC thyristors, the proposed SiC thyristor features a lightly-highly-lightly doped ('-shaped') n-base. By modulating the concentration difference of… read more here.
Keywords: high sic; shaped base; thyristor shaped; thyristor ... See more keywords
Fast high-power thyristors triggered in impact-ionization wave mode
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Instrumentation"
DOI: 10.1088/1748-0221/14/10/p10006
Abstract: GTO-like thyristors 5STH-2045H0002 (4.5 kV, 18 kA/us) developed by ABB semiconductors are currently used at CERN in LHC Beam Dumping System (LBDS): high-power switches with high dI/dt capability and low turn-on delay time are required.… read more here.
Keywords: high power; thyristor; ionization; ionization wave ... See more keywords
Parameter Optimization of Thyristor Snubber Circuit in LSTF Quench Protection System
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Access"
DOI: 10.1109/access.2019.2923442
Abstract: The Large-scale Superconductor Test Facility (LSTF) is an important part of comprehensive research facilities in support of China Fusion Engineering Test Reactor (CFETR). In order to protect the superconducting magnets from being damaged in quench… read more here.
Keywords: system; quench protection; thyristor; circuit ... See more keywords
Thyristor State Evaluation Method Based on Kernel Principal Component Analysis
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3159711
Abstract: The reliability of the thyristor is directly related to the safe operation of the DC transmission system. A method for evaluating the state of thyristors based on kernel principal component analysis (KPCA) is proposed, which… read more here.
Keywords: analysis; principal component; thyristor; evaluation ... See more keywords
The Diode-Assisted Gate-Commutated Thyristor—Operation, Design, and Testing
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Journal of Emerging and Selected Topics in Power Electronics"
DOI: 10.1109/jestpe.2020.2981536
Abstract: This article presents the diode-assisted gate-commutated thyristor (DAGCT), a power electronic device designed and optimized for hybrid dc circuit-breaker applications employing a fast mechanical circuit breaker. Detailed topology and operation of the DAGCT are illustrated… read more here.
Keywords: gate commutated; diode assisted; thyristor; commutated thyristor ... See more keywords
Reverse recovery characteristics of high power thyristors in HVDC converter valve
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Transactions on Dielectrics and Electrical Insulation"
DOI: 10.1109/tdei.2017.006258
Abstract: The reverse recovery characteristics of high power thyristor are important device physical properties influencing the reliable operation of HVDC thyristor valve. In this paper, the reverse recovery characteristics of high power thyristor are investigated from… read more here.
Keywords: recovery; thyristor; high power; reverse recovery ... See more keywords
Comparison of Thyristor Rectifier Configurations for a Six-Phase Rotating Brushless Outer Pole PM Exciter
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2017.2726963
Abstract: Recent technological developments have caused a renewed interest in the brushless excitation system. With the application of wireless communication, the conventional diode bridge has been replaced with fully controllable thyristors on the shaft. It offers… read more here.
Keywords: phase; thyristor; exciter; thyristor rectifier ... See more keywords
A New Approach to Model Reverse Recovery Process of a Thyristor for HVdc Circuit Breaker Testing
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Power Electronics"
DOI: 10.1109/tpel.2020.3007660
Abstract: In the HVdc circuit breaker testing process, a thyristor is used to generate high current for the testing purpose. However, the reverse recovery process (RRP) of a thyristor can induce a significant overvoltage problem, which… read more here.
Keywords: model; circuit breaker; process; thyristor ... See more keywords