Topology of smoothings of non-isolated singularities of complex surfaces
Sign Up to like & getrecommendations! Published in 2019 at "Mathematische Annalen"
DOI: 10.1007/s00208-020-01993-8
Abstract: We prove that the boundaries of the Milnor fibers of smoothings of non-isolated reduced complex surface singularities are graph manifolds. Moreover, we give a method, inspired by previous work of Némethi and Szilard, to compute… read more here.
Keywords: non isolated; singularities complex; topology; isolated singularities ... See more keywords
Vanishing zones and the topology of non-isolated singularities
Sign Up to like & getrecommendations! Published in 2018 at "Geometriae Dedicata"
DOI: 10.1007/s10711-018-0415-5
Abstract: We compare the topology of the link $$L_0$$L0 of non-isolated singularities defined by real analytic map-germs $$({\mathbb {R}}^m,0) \buildrel {h} \over {\rightarrow } ({\mathbb {R}}^n,0)$$(Rm,0)→h(Rn,0), $$m > n$$m>n, with that of the boundary of a… read more here.
Keywords: isolated singularities; local milnor; topology; mathbb ... See more keywords
Non-isolated input-series–output-parallel three-level buck converter
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Power Electronics"
DOI: 10.1007/s43236-019-00005-6
Abstract: This paper proposes a non-isolated input-series–output-parallel (ISOP) three-level buck converter. A theoretical analysis indicates that it has a large step-down ratio and low component voltage stress with the input and output terminals sharing the same… read more here.
Keywords: series output; voltage; non isolated; output ... See more keywords
Selecting frequency and parameters of DC-fault tolerant non-isolated high power MMC DC/DC converter
Sign Up to like & getrecommendations! Published in 2021 at "Electric Power Systems Research"
DOI: 10.1016/j.epsr.2020.106896
Abstract: Abstract This paper studies MMC-based non-isolated DC/DC converter for DC transmission grids. The key design parameters including operating frequency and size of passive components are evaluated with the aim of ensuring DC fault tolerance and… read more here.
Keywords: selecting frequency; frequency; frequency parameters; power ... See more keywords
Borderline Q-waves in individuals without overt cardiovascular disease: Relations with adiposity, subclinical atherosclerosis and vascular stiffness.
Sign Up to like & getrecommendations! Published in 2019 at "International journal of cardiology"
DOI: 10.1016/j.ijcard.2018.08.088
Abstract: BACKGROUND Characteristics and risk factors associated with electrocardiographic borderline Q-waves are not fully elucidated, especially in individuals without overt cardiovascular disease (CVD). Also, the relation of isolated and non-isolated borderline Q-waves with subclinical atherosclerosis and… read more here.
Keywords: vascular stiffness; subclinical atherosclerosis; borderline waves; borderline ... See more keywords
Fuzzy scheduling of a non-isolated micro-grid with renewable resources
Sign Up to like & getrecommendations! Published in 2018 at "Renewable Energy"
DOI: 10.1016/j.renene.2018.01.088
Abstract: Abstract This paper proposes a new energy management scheduling model for optimizing operation costs of a non-isolated micro-grid. It's assumed that the micro-grid includes some renewable energy resources like wind turbines and photovoltaic panels, fuel… read more here.
Keywords: isolated micro; non isolated; energy; renewable resources ... See more keywords
TOPOLOGY OF 1-PARAMETER DEFORMATIONS OF NON-ISOLATED REAL SINGULARITIES
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DOI: 10.1017/s0017089521000239
Abstract: Abstract Let $f\,{:}\,(\mathbb R^n,0)\to (\mathbb R,0)$ be an analytic function germ with non-isolated singularities and let $F\,{:}\, (\mathbb{R}^{1+n},0) \to (\mathbb{R},0)$ be a 1-parameter deformation of f. Let $ f_t ^{-1}(0) \cap B_\epsilon^n$ , $0 <… read more here.
Keywords: parameter deformations; non isolated; topology; deformations non ... See more keywords
Three-state switching cell (3SSC)-based non-isolated dc–dc boost-type converter with balanced output voltage and wide voltage conversion range
Sign Up to like & getrecommendations! Published in 2018 at "Iet Power Electronics"
DOI: 10.1049/iet-pel.2017.0551
Abstract: This work presents a non-isolated step-up dc-dc converter with wide voltage conversion range based on the three-state switching cell, which is suitable for distinct applications, e.g. renewable energy and uninterruptible power supply (UPS) systems. Prominent… read more here.
Keywords: voltage; wide voltage; topology; output ... See more keywords
Non‐isolated high step‐up three‐port converter with single magnetic element for photovoltaic systems
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DOI: 10.1049/iet-pel.2017.0934
Abstract: A new non-isolated high-voltage gain three-port converter for standalone photovoltaic systems is proposed. The magnetic element of this converter is only one coupled inductor. The primary winding of the coupled inductor is shared between battery… read more here.
Keywords: voltage; non isolated; isolated high; converter ... See more keywords
A non‐isolated single‐input dual‐output DC–DC boost converter with high‐voltage gain
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DOI: 10.1049/pel2.12792
Abstract: This paper presents a new structure of a high step‐up DC–DC converter. The proposed converter has one input and two outputs with different voltage levels, suitable for applications that require multiple voltage levels such as… read more here.
Keywords: input; non isolated; isolated single; voltage ... See more keywords
Analysis and design of a high gain non-isolated zero current switching bidirectional DC–DC converter for electric vehicles
Sign Up to like & getrecommendations! Published in 2019 at "Automatika"
DOI: 10.1080/00051144.2019.1578915
Abstract: ABSTRACT This paper presents a dual inductor based current-fed bidirectional non-isolated DC–DC converter for energy storage applications. The main idea of this converter is to achieve a higher voltage conversion ratio by obtaining the operation… read more here.
Keywords: zero current; current switching; bidirectional converter; switching bidirectional ... See more keywords