Results 141 to 150 of about 57,287 (288)

Reduction of Torque Ripple in Induction Motor Drives Using an AdvancedHybrid PWM Technique

, 2010
A voltage source inverter-fed induction motor produces a pulsating torque due to application of nonsinusoidal voltages. Torque pulsation is strongly influenced by the pulsewidth modulation (PWM) method employed.
Narayanan, G, Basu, Kaushik, Prasad, JS Siva, Krishnamurthy, Harish K, Ayyanar, Rajapandian   +4 more
core  

Analyse van de Spotspray van een PWM-spuitdop [PDF]

, 2014
Sensor gestuurde spuitsystemen waarmee door middel van een sensor kwantitatief een aantasting of hoeveelheid onkruid (biomassa) in het veld gemeten kan worden vragen om spuitsystemen met een variabele dosering. Eén methode om dat te realiseren is met een
Zande, J.C., van de, Groot, T.T., Velde, P., van, Nieuwenhuizen, A.T., Stallinga, H., Holterman, H.J.   +5 more
core  

Signal Extraction and Clustering of Partial Discharge in Motor Insulation Using Temporal Correlation‐Based Clustering

High Voltage, EarlyView.
ABSTRACT As one of the important links in energy transition and global energy interconnection, electric vehicles (EVs) are becoming increasingly major research topics in the field of energy. Partial discharge (PD) identification under repetitive impulsive voltages plays a pivotal role in evaluating the health of electric vehicle (EV) motor insulation ...
Li Wang, Jia‐Wei Zhang, Haikun Shang, Yu Zhao, Yufei Wang, Chen Song, Jianwei Zhang, Fouad Belhora   +7 more
wiley   +1 more source

Zero‐Current Switching Based Model Predictive Control of a Double‐Extended Overlapped Alternate Arm Converter Used in the VSC–HVDC System

High Voltage, EarlyView.
ABSTRACT The alternate arm converter (AAC) is one of the most efficient multilevel topologies based on voltage source converters (VSCs), which has recently gained attention in various applications, particularly in high voltage direct current (HVDC) systems.
Ehsan Akbari, Milad Samady Shadlu
wiley   +1 more source

COMPARATIVE ANALYSIS OF MODIFIED SHE-PSO PWM AND LS-PWM TECHNIQUES

To address the issues of the multilevel inverters with better performance and efficiency there hasbeen increased advancements with level shift PWM technique. The paper deals with the analysis ofsome such advancements like particle swarm optimization techniques and is contrasted to pulse widthmodulation technique in terms of total harmonic reduction ...
V. Ramu, Dr. P. Satish Kumar, Dr. G.N. Srinivas   +2 more
openaire   +2 more sources

Nonlinear Conductive Materials for Adaptive Electric Overstress Control: Theory, Tailoring and Applications

High Voltage, EarlyView.
ABSTRACT Artificial intelligence computing, renewable energy integration and transportation electrification are driving electrical and electronic equipment towards higher power densities, higher voltage ratings and greater miniaturisation. Under these trends, insulation systems have become a key bottleneck for reliability and compactness.
Zhiwen Huang, Xianrui Jiang, Gang Sun, Juntong Zong, Ya Sun, Jun Hu, Jinliang He   +6 more
wiley   +1 more source

Research Progress on Electrical Insulation Under Superimposed Voltage With High‐Frequency Harmonics in New‐Type Power Systems

High Voltage, EarlyView.
ABSTRACT A new‐type power system serves as a critical technical support for the integration of new energy, and its secure and stable operation is of great importance. However, the extensive utilisation of power electronic devices leads to power equipment insulation being subjected to electrical stresses of high‐frequency harmonics, which can easily ...
Shengtao Li, Chuang Zhang, Weiwang Wang, Yuanwei Zhu, Liuqing Yang   +4 more
wiley   +1 more source

Advances in Polymeric Insulating Materials: Global Progress in These 10 Years

High Voltage, EarlyView.
ABSTRACT This journal, High Voltage, celebrates its 10th anniversary in 2026. To commemorate this significant milestone, this comprehensive special review article showcases the latest global research progress and cutting‐edge advancements in polymeric insulating materials, a critical component that underpins high‐voltage systems and is vital to modern ...
Yoshimichi Ohki, George Chen, Davide Fabiani, Reimund Gerhard, Mona Ghassemi, Stanislaw Gubanski, Shengtao Li, Ronald Plath, Roger Schurch, Yuriy Serdyuk, Gilbert Teyssedre   +10 more
wiley   +1 more source

Surgical Management of Non‐Allergic Rhinitis—An EAACI Task Force Position Paper

Allergy, EarlyView.
ABSTRACT Non‐allergic rhinitis is a frequent yet underdiagnosed cause of chronic nasal symptoms, including nasal congestion, rhinorrhoea, and upper airway hyperreactivity. Its pathophysiology involves neurogenic dysregulation, leading to excessive mucus production and vasodilation.
Marie Lundberg, Julie van Waterschoot, Mathilde Moyaert, Adam Chaker, Philippe Gevaert, Jan Hagemann, Valérie Hox, Maarten Kleijwegt, Ludger Klimek, Devyani Lal, Juan Maza‐Solano, Oliver Pfaar, Fabio Simon Ryser, Michele Shiappoli, Diana Silva, Sanna Toppila‐Salmi, Johanna Wikstén, Sietze Reitsma, Laura Van Gerven   +18 more
wiley   +1 more source

SYNTHESIS OF VOLTAGES OF UNIFORM PWM IN TIME REGULATION

Известия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2014
The article describes a process of synthesis and qualitative assessment of the harmonic composition of voltages of multiple and single PWM pulses in time regulation, being, along with amplitude, frequency and phase method, one of control methods of an ...
A. G. Stryzhniou, A. N. Rusakovich, A. A. Shykhau   +2 more
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