نتایج جستجو برای: vsc
تعداد نتایج: 1151 فیلتر نتایج به سال:
Sex differences in visuospatial cognition (VSC) with male advantage are frequently reported in the literature. There is evidence for sexual dimorphisms in the human brain, one of which postulates more gray matter (GM) in females and more white matter (WM) in males relative to total intracranial volume. We investigated the neuroanatomy of VSC independent of general intelligence (g) in sex-separa...
The Generalized Unified Power Flow Controller (GUPFC) is a Voltage Source Converter (VSC) based Flexible AC Transmission System (FACTS) controller for shunt and series compensation among the multiline transmission systems of a substation. The paper proposes a full model comprising of 60pulse Gate Turn-Off thyristor VSC that is constructed becomes the GUPFC in digital simulation system and inves...
OBJECTIVE Cervical cancer screening coverage remains insufficient in most countries. Testing self-collected samples for high-risk human papillomavirus (HR-HPV) could be an alternative to the Pap smear, but costs, sampling methods and transport issues hamper its wide use. Our objective was to compare diagnostic accuracy of 2 vaginal self-collection methods, a dry swab (vsc-DRY) or swab in liquid...
The fault recovery of VSC-HVDC transmission system is often influenced by many factors, such as the reactive power compensation characteristics of the inverter and the dynamic performance of DC controllers. In this paper, the PSCAD/ EMTDC simulation tool is used to study the dynamic recovery performance of VSC-HVDC system for several different var compensating devices in VSC-HVDC inverter-Fixed...
View synchronous communication (VSC) is a paradigm initially proposed by the Isis system, that is well suited to implement fault-tolerant services based on replication. VSC can be seen as an adequate low level semantics on which ordered multicasts and uniform multi-casts can easily be implemented. This paper presents the speciic problems related to the implementation of VSC in a large scale net...
The voltage source converter-high voltage direct current (VSC-HVDC) transmission is the ideal integration technology for grid-connected wind farms. A passivity-based control (PBC) method for VSC-HVDC when the wind farm voltage is unbalanced is proposed in this paper. The mathematical model of a VSC with unbalanced voltage is established. The PBC theory including dissipation inequality and syste...
Induction motor drives are widely used in industries for its simple and easy control. Variable structure controller (VSC) for an induction motor drive is an effective method of control in case of non linearities and uncertainties to enhance robustness. Dynamic performance of Induction motor drives is an essential characteristic for many industrial applications. Quality of the product is an indu...
This paper investigates the two main and seemingly antagonistic approaches to broadcasting messages in fault-tolerant distributed systems: the approach based on Reliable Broadcast, and the one based on View Synchronous Communication (or VSC for short). We discuss both communication primitives in a system model with fair-lossy channel, which leads us to introduce the “time-bounded buffering” pro...
VSC HVDC will be the most important approach for transmitting the power of large-scale offshore wind power plant in the near future. In recent literature, the feasibility of using hybrid type HVDC for offshore wind transmission has been discussed. A hybrid HVDC system has at one line commutated converter (LCC) at mainland and one voltage source converter (VSC) at offshore platform, which may in...
DESIGN AND ANALYSIS OF DC VOLTAGE CONTROL OF MULTI-TERMINAL VSCHVDC SYSTEMS G.PURUSHOTHAM, S. FAHMEEDA PARVEEN, G.VENKATA SURESH BABU PG Student, 2 Assistant Professor, Associate Professor & HOD, Department of Electrical and Electronics Engineering SITS, Kadapa, Andhra Pradesh, India. _________________________________________________________________________ ABSTRACT: This paper discusses a mult...
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