This paper presents a new class of linear permanent magnet (PM) vernier machines which is suitable for low speed and high thrust force applications. The machine composed tubular stator translator. consists an iron core with salient teeth wound 3-phase armature windings PMs mounted on the surface teeth. translator designed as simple so that it very robust to transmit force. By using finite element method, characteristics performances proposed are analyzed verified.

This paper proposes to implement a segme-nted-rotor high-temperature superconducting (HTS) flux-switching generator with dual electrical ports for offshore wind power generation. The originality is both ports, namely armature windings and field-excitation windings, are placed in the stator so that stationary seal of cryogenic cooling system can be achieved. key lies HTS side provide high field excitation, sinusoidal electromotive force induced by magnetic modulation segmented rotor. A new...

This article presents a new field-modulation double-stator electrical-excitation synchronous machine (FM-DSEESM) and analyzes its harmonic components of double-layer air gap magnetic field. The key is that both the types sources various harmonic-components field are derived by taking into account permeance inner outer stator teeth modulation-ring rotor. selection criteria main working excitation clarified to achieve armature-winding configuration. Then, field, which have same pole pairs,...

Human ficolin-2 (ficolin-2/P35) is a lectin complement pathway activator that present in normal human plasma and associated with infectious diseases; however, little known regarding the roles mechanisms of during Mycobacterium tuberculosis (Mtb) infection. Here, we describe our novel findings serum levels 107 pulmonary (TB) patients were much lower compared healthy controls. In vitro analysis showed bound to virulent Mtb H37Rv strain more strongly than non-virulent M. bovis BCG smegmatis....

This paper proposes a novel high-temperature super-conducting (HTS) claw-pole vernier machine, which combines the merits of stator HTS-excitation machine with "magnetic gearing effect" designed for direct-drive applications. The key is to adopt structure realize multi-pole pattern using single unit stationary seal, thus greatly simplifying cooling Dewar architecture as well improving structural compactness. Moreover, armature windings are wound around split-teeth set on surface claw poles...

In this article, a calculation method for critical current of high-temperature superconducting (HTS) excitation coils made by Bi-2223 tapes is proposed, which can provide reference the design and manufacture HTS coils. Based on test data provided manufacturer, suppression effect applied parallel perpendicular magnetic field density separately described proposed Jc-B model tapes. Then, taking 10 kW double-stator machine (DS-HTSM) as an example, target magnetomotive force (MMF) required to...

Fluctuation and Noise LettersAccepted Papers No AccessEffects of Interface Traps on Ferroelectric Field-Effect Transistors with Random Crystal Phase FluctuationsYubin Wang, Weifeng Lu, Honglei Huo, Shuaiwei Zhao, Xinfeng ZhengYubin Luhttps://orcid.org/0000-0002-4261-2377 Search for more papers by this author , Huo Zhao Zheng https://doi.org/10.1142/S0219477525500403Cited by:0 (Source: Crossref) PreviousNext AboutFiguresReferencesRelatedDetailsPDF/EPUB ToolsAdd to favoritesDownload...

Hydrogel microspheres are considered ideal carriers with broad applications in 3D cell culture, drug delivery, and microtissue construction. Although multiple methods have been developed for generating hydrogel microspheres, there is still a lack of universal approach that combines operability, stability, cost-effectiveness, biocompatibility. In this work, novel rotating microfluidic system (RMS) proposed, which can rapidly fabricate diverse poly(ethylene glycol) diacrylate/sodium alginate...

This paper studies the special effects of armature reaction field (ARF) on SC coils in field-modulation superconducting (SC) machines (FMSCMs). Through comparing with conventional synchronous (SCSMs) similar structure to electrically-excited machine (EESM), some characteristics ARF effect FMSCMs are found, namely, will generate abundant moving harmonics high amplitudes airgap, including fundamental harmonic, all which alternating external magnetic relative coils. These increase AC loss, and...

TheSuperconducting (SC) machines have the merits of higher power and torque density due to fact electrical or magnetic loading. Especially, field modulation SC machine (FMSCM) recently attracts more attention from scholars, since this kind successfully overcome drawbacks traditional synchronous machines, such as rotating seal coolant brush-slip-ring for current transfer. However, research method FMSCM mainly adopts finite element analysis (FEA). Although FEA can provide accurate results,...

This paper proposes a new high-temperature superconductor (HTS) flux-switching machine with the merit of high power density for direct-drive wind energy conversion system. The key is to introduce HTS windings replace permanent magnet material in machine. Also, use field excitation can easily achieve constant output armature voltage under time-varying speeds. By using finite element analysis, performances are analyzed. Hence, validity proposed verified.

For online traffic control at centers, there is a need for predictions of the flow during short horizon, example, 30 min ahead. this effort, are needed inflow into network motorways on boundary and on-ramps. This paper presents an adaptive prediction algorithm inflows in regular situations based stochastic theory. The T. Bohlin. designed tested data ring road Amsterdam. results show that provides robust demand with relatively small errors next large-scale real-time environment.

In this paper, an 8-pole/12-slot high-speed superconducting bearingless machine is proposed for flywheel energy storage systems. The adopts a homopolar configuration: the rotor only consists of iron lamination with eight salient poles and 12-slot stator accommodates all three groups windings: high temperature (HTS) field winding; armature suspension winding. With HTS winding, in are magnetized as 4-pole-pair electromagnets. Also, by adjusting dc current air-gap flux can be controlled...

This paper proposes a linear doubly-salient high-temperature superconductor (HTS) machine for wave energy conversion, which is composed of tubular stator and translator. Since the translator simple iron core with salient poles, it so robust that can be directly coupled reciprocating buoy. The consists an DC HTS field windings 3-phase concentrated armature windings. By using finite element analysis, proposed quantitatively compared its permanent magnet copper-winding counterparts. Hence,...

This paper proposes a new high-temperature superconductor (HTS) axial-field flux-switching machine with the merit of high power density for wind energy conversion. The key is to introduce kind modular racetrack cooling Dewar static seals replace one dynamic used in conventional rotor excitation HTS machine. Also, effects relative positions proposed on back electromotive force are discussed. By using finite-element analysis, performances analyzed. Hence, validity verified.

This paper proposes a new high-temperature superconductor (HTS) dual-rotor flux-switching machine for direct-drive wind energy conversion. The key is to adopt structure improve utilizations of the HTS excitation field and space, thus achieving high power density. Also, can easily achieve flexible flux regulation keep armature voltage constant under time-varying speeds. operation principle, with emphasis on effect relative position both rotors magnetic circuits, described in details. And...

This paper proposes a high temperature superconducting (HTS) double stator machine (HTS-DSM), based on the magnetic field modulation principle. In proposed HTS-DSM, HTS winding and copper armature are separately located two stators, so that it overcomes drawbacks caused by coupling device for cryogenic transfer, torque tube, carbon brushes, slip rings in conventional synchronous machines with rotating winding, bringing merits of reliability low maintenance cost. Moreover, method amounting...

This paper proposes a new high-temperature super-conducting (HTS) linear flux-controllable doubly salient machine for high-power long-stator applications, which incorporates the merits of both HTS-excitation and primary-excitation machine. The key is to adopt modular mover obtain phase symmetric magnetic circuit as well effectively reduce cogging force due module complementary effect, while windings armature are physically separated space conflicts between each other easily implement static...