We present a theoretical model of international assignments in which we examine the alignment or nonalignment organization's and individual's expectations an assignment its effect on success. consider four basic configurations our model—mutual loyalty, mutual transaction, agent opportunism, principal opportunism—and matrix organization-individual to help predict varying degrees success expatriate repatriation. Finally, apply this as framework for understanding changes employment contract over time.

Fuel-cell power systems comprising single-phase dc/ac inverters draw low-frequency ac ripple currents at twice the output frequency from fuel cell. Such a 100/120 Hz current may create instability in fuel-cell system, lower its efficiency, and shorten lifetime of cell stack. This paper presents waveform control method that can mitigate such being drawn while system delivers to load through differential inverter. is possible because with proposed solution, pulsation component (cause current)...

This article proposes a general unified methodology for arbitrary higher order resonant circuits. With the proposed methodology, equivalent circuits and methods of circuit are presented to realize load-independent constant current (CC) voltage (CV) outputs at two different zero phase angle (ZPA) frequencies. In addition, corresponding regularized mathematical models output purely resistive input impedances in CC CV modes derived. All compensation topologies both inductive capacitive power...

Capacitive dc-links are widely used in voltage source converters for power balance, ripple limitation, and short-term energy storage. A typical solution, which uses aluminum electrolytic capacitors such applications, is assumed to be one of the weakest links electronic systems, therefore, also becoming lifetime bottlenecks systems. Various passive active capacitive dc-link solutions have been proposed intending improve reliability qualitatively, making great effort diverting instantaneous...

In both normal and fast wireless electric vehicle charging systems, constant current/constant voltage (CC/CV) profile, regardless of the variation battery state charge, is one most essential characteristics to ensure performance reliability. The input zero phase angle (ZPA) able minimize system volt-ampere rating, enhance power transfer capability, make it easy achieve soft-switching operation over full range profile. Therefore, load-independent CC CV output with ZPA conditions are necessary...

Load-independent output characteristics of an inductive power transfer (IPT) system are increasing interest in electric vehicle and LED lighting applications. All compensation networks the IPT actually high-order resonant circuits. In a network, there multiple frequencies to get load-independent voltage current output. It is critical analyze conditions achieve high efficiency both modes. This paper proposed general modeling method for arbitrary characteristics. A circuit can be modeled as...

The successful commercialization of wireless power transfer (WPT) technology in mobile phones, laptops, and electric vehicles requires a safe, reliable, efficient charging infrastructure. A metal object, such as coin, key, or nail, however, may be inadvertently exposed, by close proximity, to the magnetic fields generated WPT coupler, creating potential safety hazard affecting electrical characteristics system. In addition, produce adverse symptoms, dizziness breathlessness, living objects...

In a rectification system with unity power factor, the input consists of dc and double-line frequency component. Traditionally, an electrolytic capacitor (E-Cap) is used to buffer such that output presents small voltage ripple. The use E-Cap significantly limits lifetime rectifier system. this paper, differential ac/dc based on inductor-current waveform control methodology proposed single-stage direct without need for buffering power, front-stage diode circuit can be achieved. feasibility...

This paper describes a single-phase full-bridge inverter that possesses limited current ripple at the dc link while providing sinusoidal square power ac output. is achieved through addition of an extra pair switches and complementary control for inverter. The operate to prevent double-line frequency from flowing into input In doing so, pulsation component output confined flow between capacitors load. Thus, only supplies power. Simulation experimental results validating proposed solution are...

This paper investigates the impact of phase-locked loop (PLL) dynamic on stability DC-link voltage control (DVC) in source converter (VSC) attached to weak grid. To start with, a small signal model VSC grid DVC timescale is presented for analysis. On basis, characteristics are analyzed from perspective damping and restoring components which can determine stability. With considering PLL dynamic, it found that performs as phase-lag regulation generates additional negative component grid, thus...

This paper contributes to giving physical insights into stability of DC-link voltage control in multi-wind turbines integrated weak grid. Wind farm operation will suffer from integrating AC grid, due strong coupling between the wind and grid dynamics. Multi-VSCs model is presented for analysis with effect among VSCs strength. Based on model, self-impact components interaction-impact are study interactions VSCs. Impacts studied by investigating variations considering strength, operating point...

The output characteristics and the transfer efficiencies of inductive power (IPT) systems are affected by (but not limited to) variation parameters such as, variable load, misalignment between primary secondary coils, resonance frequency detuning. This paper first analyzes resonant conditions all voltage-fed compensation topologies in IPT to achieve load-independent voltage characteristic at zero phase angle frequency. With these conditions, sensitivity key performance factors S-SP, LCC-S,...

The mass transfer in lithium-ion batteries is a low-frequency dynamic that affects their voltage and performance. To find an effective way to describe the batteries, simplified electrochemical battery model based on ensemble learning proposed. proposed simplifies electrode particles with which ensembles discrete-time realization algorithm (DRA), fractional-order Padé approximation (FOM), three parameters (TPM) parabolic. electrolyte by first-order inertial element (FIE). results show...

Purpose The purpose of this paper is to examine senior leadership behaviors across samples Chinese, Indian, and Western chief executive officers (CEOs). Design/methodology/approach In exploratory study, 101 CEOs from three different business contexts were interviewed understand the demands widely cultural competencies associated with effective performance. specific situations addressed by leaders identified. Findings authors found some common characteristics outstanding contexts, such as...

Background: Orthogonal translation computed laminography (OTCL) has great potential for tiny fault detection in laminated structure thin-plate parts. It offers a larger magnification ratio but generates limited projection data, which would result aliasing artifacts the reconstructed image. Objective: One way to minimize these is use prior information, such as piecewise constant property and image information. This work was inspired by adaptive-weighted high order total variation (awHOTV)...

The current work combines the numerical simulation of Large Eddy Simulation (LES) model with high‐temperature surface velocity quantitative measurement methods, to study flow field within three ultrawide molds thickness 150 mm and widths 2400, 2800, 3200 mm, as well their effects on motion trajectories nonmetallic inclusions. It is demonstrated that largest molten steel in mold occurs at 1/6 width from narrow edge top surface. maximum decreases increasing width, results are consistent high...