Results 201 to 210 of about 183,908 (257)

Kernel embeddings and the separation of measure phenomenon. [PDF]

open access: yesProc Natl Acad Sci U S A
Santoro LV, Waghmare KG, Panaretos VM.
europepmc   +1 more source

RF-free driving of nuclear spins with color centers in silicon carbide

open access: yes
Wörnle R   +7 more
europepmc   +1 more source
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A Zero-Sequence Component Injection Modulation Method With Compensation for Current Harmonic Mitigation of a Vienna Rectifier

IEEE Transactions on Power Electronics, 2019
Owing to the operational characteristic of a Vienna rectifier, it is found that the traditional modulation method would result in the current distortion. This paper, therefore, proposes a novel zero-sequence component injection modulation method for improving the input quality of the Vienna rectifier with balanced or unbalanced dc-link voltages.
Feng Gao, Chenghui Zhang, Bin Duan
exaly   +2 more sources

Application of the zero-sequence voltage component to detect stator winding inter-turn faults in PMSMs

Electric Power Systems Research, 2012
This paper develops and analyzes a methodology for detecting stator winding inter-turn faults in surface-mounted permanent magnet synchronous motors. The proposed methodology is based on monitoring the zero-sequence voltage component having into account the effects of the inverter that usually feeds the machine.
Luis Romeral   +2 more
exaly   +3 more sources

High Impedance Fault Area Location in Distribution Systems Based on Current Zero Sequence Component

IEEE Latin America Transactions, 2016
This paper presents a new methodology for detection and area location of high impedance faults (HIF) on unbalanced distribution systems. The method is called Quasi-Differential Zero Sequence Protection (PQDSZ) and it detects these faults by analyzing the current zero sequence rms value on a distribution feeder.
J.T.A. Vianna   +2 more
exaly   +2 more sources

Online Interturn Fault Diagnosis of Permanent Magnet Synchronous Machine Using Zero-Sequence Components

IEEE Transactions on Power Electronics, 2015
This paper develops an online interturn fault diagnosis method for permanent magnet synchronous machine (PMSM). The mathematical model of the PMSM with interturn fault is established. The zero-sequence voltage component and zero-sequence current component are analyzed in the PMSM, respectively.
Jianzhong Zhang, Ming Cheng, Jun Hang
exaly   +2 more sources

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