Results 21 to 30 of about 266,614 (289)
Control of a Modular Multi-level Converter STATCOM for Low Voltage Ride-Through Condition [PDF]
, 2016 This paper presents a simulation study on the implementation of the Single Star Flying Capacitor Converter Modular Multi-level Cascaded Converter (MMCC-SSFCC) as a STATCOM operating under voltage sag condition.
Oghorada, OJK, Zhang, L
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Analysis of two-phase operation characteristics of a flexible low-frequency transmission system
Zhejiang dianli, 2022 The two-phase operation mode of a flexible low-frequency transmission system is based on the M3C （modular multilevel matrix converter）. This paper establishes a complex sequence network for the low-frequency system to analyze the steady-state operation ...
LU Yi +6 more
doaj +1 more source
Length-independent DNA packing into nanopore zero-mode waveguides for low-input DNA sequencing [PDF]
, 2017 Compared with conventional methods, single-molecule real-time (SMRT) DNA sequencing exhibits longer read lengths than conventional methods, less GC bias, and the ability to read DNA base modifications.
Henley, Robert Y. +4 more
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The theory of instantaneous power in three-phase four-wire systems: a comprehensive approach [PDF]
, 1999 This paper describes a holistic approach to the theory of instantaneous power in three-phase four-wire systems, focusing on the original theory created in 1983 and a modified theory presented in 1994.
Akagi, Hirofumi +2 more
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Energies, 2019 The cascaded H-bridge static var generator (SVG) has been employed to provide reactive power and regulate grid voltages for many years because of its good modularity, easy scalability, and improved harmonic performance.
Muxuan Xiao +5 more
doaj +1 more source
Tripping of circuit breakers in PV installations due to zero sequence field impedance [PDF]
, 2011 On the roof of a wool processing company a 385 kWp PV installation is installed. When production of the installation is more than 60% of the rated power the circuit breaker trips.
Debruyne, Colin +3 more
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International Journal of Electrical Power & Energy SystemsIslanded grids play a crucial role in AC/DC distribution systems. The adoption of transformerless voltage-source converters as the primary power source is an important development direction for AC/DC distribution systems.
Yuze Li +4 more
doaj +1 more source
IEEE Access, 2023 Because the traditional zero-sequence overcurrent protection method is not effective in detecting single-phase-to-ground faults (SPGF) in a low-resistance grounded system (LRGS), this paper analyzes the fault characteristics of a 10-kV LRGS in detail ...
Huamin Liang, Haifeng Li, Gang Wang
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IEEE Access, 2022 This paper proposes a novel branch voltage-balancing control strategy for a hexagonal converter (Hexverter). First, the state-space model based on the double-dq transformation is analyzed in-depth along with the necessary basic mathematical derivation ...
Yang Yi +3 more
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Smart Power Grid Synchronization With Fault Tolerant Nonlinear Estimation [PDF]
, 2016 Effective real-time state estimation is essential for smart grid synchronization, as electricity demand continues to grow, and renewable energy resources increase their penetration into the grid.
Wang, Xin, Yaz, Edwin E
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