Results 31 to 40 of about 12,733,262 (289)
prot4EST: translating expressed sequence tags from neglected genomes [PDF]
, 2004 The genomes of an increasing number of species are being investigated through generation of expressed sequence tags (ESTs). However, ESTs are prone to sequencing errors and typically define incomplete transcripts, making downstream annotation difficult ...
Mark L Blaxter +3 more
core +1 more source
Positive sequence voltage control, full negative sequence cancellation and current limitation for static compensators [PDF]
, 2021 This paper presents a control scheme in the stationary reference frame for Static Synchronous Compensators that provides three features: 1) regulation of the positive sequence voltage to the nominal value, 2) full cancellation of the negative sequence ...
Camacho Santiago, Antonio +4 more
core +1 more source
Identification and location method of asymmetric faults in coal mine power network
Gong-kuang zidonghua, 2018 Three asymmetrical faults of singe-phase grounding, singe-phase line breakage and ferroresonance in coal mine power network are easily misjudged, and existing methods hardly identify the three faults correctly.
WANG Qingliang, QIN Jie, LIU Xinru
doaj +1 more source
A timely switch fault ride-through method for VSC-HVDC system
电力工程技术, 2022 In order to achieve the fault through of voltage source converter-based high voltage direct current (VSC-HVDC)system during alternating current (AC) system asymmetric faults and keep stability of the impedance at steadystate, a timely switch fault ...
WANG Ke +5 more
doaj +1 more source
Journal of Modern Power Systems and Clean Energy, 2022 The doubly-fed induction generator (DFIG) is considered to provide a low-reactance path in the negative-sequence system and naturally comply with requirements on the negative-sequence reactive current in emerging grid codes.
Yuanzhu Chang +5 more
doaj +1 more source
A study on the negative sequence current injection during LVRT of IBRs
RE&PQJLow Voltage Ride Through (LVRT) behaviour of Inverter Based Resources (IBR) during asymmetrical grid faults is dictated by the requirements of Grid Code (GC) at the Point of Common Coupling (PCC) of the renewable energy plants. Earlier GCs demanded only positive sequence current injection, which gave freedom to inverter manufacturers to implement ...
A. Blázquez +5 more
openaire +1 more source
Pediatric Blood &Cancer, EarlyView.ABSTRACT Pediatric gastroenteropancreatic neuroendocrine neoplasms (GEP‐NENs) are extremely rare and clinically heterogeneous. Management has largely been extrapolated from adult practice. This European Standard Clinical Practice Guideline (ESCP), developed by the EXPeRT network in collaboration with adult NEN experts, provides (adult) evidence ...
Michaela Kuhlen +23 more
wiley +1 more source
Control Aspects of the Dynamic Negative Sequence Current Injection of Type 4 Wind Turbines
, 2014 © 2014 IEEE. State-of-the-art distributed generation with a fully rated converter only injects positive sequence current into unbalanced faults. Recently, both publications and draft standards have suggested that the injection of negative sequence ...
Neumann, Tobias +3 more
core +1 more source
MachinesPermanent magnet synchronous generators (PMSGs) are suitable for offshore applications due to their high efficiency and power density. Inter-turn short circuits (ITSCs) stand as one of the most critical faults in these machines due to their rapid ...
Nikolaos Gkiolekas +4 more
doaj +1 more source
Current decoupling control strategy for unbalanced input 3-1 matrix converter
工程科学学报, 2017 The reasons for low-order harmonics in the input current of a 3-1 matrix converter (3-1MC) were analyzed, and the relationship of modulation function between the output side and power compensation side was derived.
XU Yu-xiang +3 more
doaj +1 more source