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Electric 3D‐simulation of metallized film capacitors
DOI: 10.1108/03321640710727836 Corpus ID: 109053489; Electric 3D‐simulation of metallized film capacitors @article{Ostrowski2007Electric3O, title={Electric 3D‐simulation of metallized film capacitors}, author={J{"o}rg Ostrowski and Ralf Hiptmair and Henning Fuhrmann}, journal={Compel-the International Journal for Computation and Mathematics …
Study on the Heat Dissipation Model and Simulation of ...
Li Hua et al. conducted modeling simulation and experimental verification on the temperature rise characteristics of high-voltage AC metallized film capacitors [13, 14], …
Limits to the performance and design of high voltage metalized …
Abstract: The use of multiple sections within a metalized film capacitor facilitates high voltage and reduced equivalent series resistance within a compact winding. As a result of high voltage and low inductance, large peak currents are, in principle, possible. The limitation to the peak current and power density is the ability of the end …
Electric 3D‐simulation of metallized film capacitors
Electric 3D‐simulation of metallized film capacitors - Author: Jörg Ostrowski, Ralf Hiptmair, Henning Fuhrmann ... and surface charge distributions inside self‐healing metallized film capacitors in three dimensions. A 50 Hz exciting voltage is applied at contacts., – Extreme aspect ratios warrant dimensional reduction: the …
Research on the Influence of Safety Film on the Thermal Field ...
On the basis of the above investigations, the optimal design about a high-voltage self-healing capacitor with a nominal voltage of 11/√3 kV and a capacity of 334 kVA is presented an reinspected ...
Application of Numerical Simulation for Metallized Film …
MFC consists of two metallized polymer ˝lms, which are wound on a mandrel, forming a cylindrical capacitance ele-ment [3]. There are single- and multi-element capacitors. As a rule, high voltage/energy density capacitors consist of numerous capacitance elements that are connected in series and parallel for achieving the required voltage and ...
From Independent to Related: Voltage Ramp Rate Effects
Metallized polypropylene film capacitors (MPPFCs) are well-suited for high-frequency and high-electric-field applications, such as electric vehicles, aerospace, and pulsed power systems, due to ...
Review of Technologies and Materials Used in High-Voltage Film Capacitors
Review of Technologies and Materials Used in High- ...
Electric 3D-simulation of metallized film capacitors
Metallized polypropylene capacitors (MPPCs) are widely used in the modular multilevel converter (MMC) for high voltage direct current transmission systems, because of their lower power losses and ...
Research on Temperature Rise Characteristics of Film Capacitors …
Organic film capacitors [1,2,3] have the characteristics of high withstand voltage and high discharge power, and are widely used in (ultra) high voltage, (ultra) high current, (ultra) high power and other fields of national defense, military research and civilian use such as new concept weapons, new energy vehicles, etc.At present, the energy …
Failure mechanism and life estimate of metallized film capacitor …
Introduction. Metallized film capacitors (MFC), usually using polypropylene film (PP film) or polyethylene terephthalate film (PET film) as the medium, are made by winding and laminating, etc., through spraying gold at the ends (metal Zn, Al and a series of alloys) to realize the extraction of high or low voltage electrode of the capacitor …
Electric 3D‐simulation of metallized film capacitors
This paper seeks to deal with the computation of time‐harmonic electric potentials, currents, and surface charge distributions inside self‐healing metallized film …
A method to improve the accuracy and efficiency for metallized …
A method to improve the accuracy and efficiency for metallized-film capacitor''s reliability assessment using joint simulation. ... As a typical power electronic structure, frequently it is used in high-voltage direct current (HVDC) transmission for instance. MMC usually contains a large number of sub-modules (SM), and the overall …
Theoretical and experimental studies on the self‐healing …
The essential factors affecting the self-healing properties of metallised polypropylene film capacitors (MPPFCs) are first analysed, and a self-healing performance characterisation test platform for metallised polypropylene capacitor films was built. Both the voltage/current waveforms and discharge patterns of the self-healing process under ...
Non‐uniform voltage distribution characteristics of metallized film ...
The simulation results of the capacitor equivalent circuit model show that the voltage distribution of the internal elements of the capacitor is uniform at low …
Application of Numerical Simulation for Metallized Film Capacitors ...
Polymer film capacitors are widely used in modern power equipment, because of excellent volumetric characteristics in combination with high-voltage application ability. Using segmented electrodes of nanometer thickness increased the capacitor''s performance and reliability because of the self-healing feature. In this paper, we present …
Application of Numerical Simulation for Metallized Film Capacitors ...
It is well-known that the high-performance polymeric dielectric films used for high-voltage DC capacitors should have outstanding capabilities in terms of electrical and mechanical properties in order to face harsh operating conditions. ... Digital Object Identifier 10.1109/ACCESS.2017.Doi Number Application of Numerical Simulation for ...
Thermal simulation for geometric optimization of metallized ...
In this paper, the authors use an analytical model to calculate the losses in the metallized polypropylene film capacitors. The model is validated experimentally for capacitors having the same capacitance but different geometry. For each group of capacitors, a temperature distribution in the roll is assumed with the aim of optimizing its thermal performance. It …
Research on the self‐healing failure characteristics and its …
The voltage across the faulty element was measured using a Tek P5100A high-voltage probe and the supply voltage was measured using an FRC-50 kV-C AC voltage divider. The capacitors studied in the simulation test circuit in this paper are capacitor unit with a rated voltage of 11/3 kV and a rated capacity of 334 kvar, which are …
Application of Numerical Simulation for Metallized Film Capacitors ...
The simulation model allows evaluating the single segment isolating time during self-healing, the energy required for the isolating, effective value of segmented electrodes surface resistance and the heat flow from metal layer to polymer film since it has significant influence on the destruction process. Polymer film capacitors are widely used in modern …
Application of Numerical Simulation for Metallized Film …
volumetric characteristics in combination with high-voltage application ability. Using segmented electrodes of nanometer thickness increased the capacitor''s performance …
Degradation Behavior of Metallized Film Capacitors: A Review
Metallized film capacitors are widely used in power electronics due to their brilliant electrical properties. However, the more stringent operating conditions (e.g., temperature, humidity, current, voltage) brought about by the development of the energy industry may significantly impact capacitor reliability. This paper provides an elaborate description of …
Optimization of low voltage metallized film capacitor geometry
Thermal constraint is one of the major cause of capacitor failures. In this paper, a loss model, based on electrode current distribution, is firstly established to determine, by numerical simulation, a temperature mapping of capacitor. This mapping is successfully compared to measurements. Then a shape optimization is led in order to find parameters …
Application of Numerical Simulation for Metallized Film Capacitors ...
Using segmented electrodes of nanometer thickness increased the capacitor''s performance and reliability because of the self-healing feature. In this paper, we present the results of …
Metallized film capacitors degradation under high electrodynamic …
Degradation process of metallized film capacitors under high electrodynamic load was investigated. Pulse current overload factor exceeded 40. The polar effect of contact edges destruction was found. The average lifetime of different metallized film capacitors in pulse mode was evaluated. Dielectric frequency response testing during a capacitor''s …
Self-healing behaviors of metallized high-temperature dielectric …
DOI: 10.1016/j.microrel.2023.114972 Corpus ID: 257782474; Self-healing behaviors of metallized high-temperature dielectric films for capacitor applications @article{Zhu2023SelfhealingBO, title={Self-healing behaviors of metallized high-temperature dielectric films for capacitor applications}, author={Jiafeng Zhu and Hui …
Electric 3D-simulation of metallized film capacitors
Metallized polypropylene capacitors (MPPCs) are widely used in the modular multilevel converter (MMC) for high voltage direct current transmission systems, because of their lower power losses...
Temperature Rise Characteristic and Design Optimization of AC High ...
Metallized film capacitors(MFC)own characteristics of self-healing and can be used in high electric field strength applications. Also,MFC has high working reliability and high power density.
Efficiency Investigation of Metallized Film Capacitor Electrodes ...
The results of theoretical efficiency investigation of metallized film capacitor electrodes segmentation patterns are presented in this article. The aim of present investigation was the most effective patterns configuration determination using by numerical simulation method. The experimental investigation method of metallized film capacitor electrodes …
Application of Numerical Simulation for Metallized Film …
In this paper, we present the results of the experimental investigation and numerical simulation of electrothermal destruction of the metallized film capacitors segmented electrodes during...