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Effects of electrothermal ageing on dielectric performance of metallised biaxial orientation polypropylene film capacitors in strong magnetic fields
DOI: 10.1049/hve2.12439 Corpus ID: 269256572 Effects of electrothermal ageing on dielectric performance of metallised biaxial orientation polypropylene film capacitors in strong magnetic fields @article{Liu2024EffectsOE, title={Effects of electrothermal ageing …
Capacitance Evaluation of Metallized Polypropylene Film Capacitors …
Self-healing (SH) in metallized polypropylene film capacitors (MPPFCs) can lead to irreversible damage to electrode and dielectric structures, resulting in capacitance loss and significant stability degradation, especially under cumulative SH conditions. To enhance the reliability assessment of MPPFCs post-SH, this study …
Measurement and analysis of insulation resistance of metallized polypropylene film capacitor under high electric field …
Metallized polypropylene film capacitor (MPPFC) has characteristics of high energy density and high reliability due to its self-healing capability. The insulation resistance (IR) of ...
Mechanism of Insulation Resistance in Metalized Polypropylene Film Capacitors …
Polypropylene Film Capacitors Hua Li 1, Zhiwei Li, Fuchang Lin 1, Yaohong Chen, De Liu, Bowen Wang, Haoyuan Li ... electrical conduction mechanism of metalized films under high electric fields ...
Thin, largescale processed, high-temperature resistant capacitor films based on polypropylene…
Capacitor films with a thickness of only 3.8 μm were prepared using industrial-largescale processing ... Evolution of dielectric relaxation under elevated electric field of polypropylene-based films Journal of Physics D-Applied Physics, 53 (44) (2020), 10.1088/1361 ...
Mechanism of insulation resistance in metalized polypropylene …
Metalized polypropylene film capacitors (MPPFCs) can work under high electric fields due to the self-healing characteristic. Leakage phenomenon caused by the insulation …
Dependence of Polarization Behaviors on Electrical and Thermal Aging for Pulse Metallized Polypropylene Film Capacitor
As key influence factors on the aging of pulse metallized polypropylene film capacitors, the number of charge–discharge (from 2000 to 8000), temperature (from 4 Abstract: As key influence factors on the aging of pulse metallized polypropylene film capacitors, the number of charge–discharge (from 2000 to 8000), temperature (from 40 …
Thin, largescale processed, high-temperature resistant capacitor …
Biaxially-orientated polypropylene (BOPP) films are commonly used as dielectric materials in film capacitors because of their outstanding breakdown resistance, …
Power Film Capacitor Design for EV and HEV Applications
Power film capacitors with controlled self-healing capabilities are the only film capacitors that can reliably prevent catastrophic failures (e.g., short circuits with energy in parallel) in high-energy applications with …
Polarization characteristics of metallized polypropylene film …
This paper focuses on the relaxation polarization in metallized biaxially oriented polypropylene (BOPP) film capacitors. The extended Debye model of …
Effects of electrothermal ageing on dielectric performance of metallised biaxial orientation polypropylene film capacitors in strong magnetic fields
Received: 26 April 2023-Revised: 15 August 2023-Accepted: 16 September 2023-High Voltage DOI: 10.1049/hve2.12439 ORIGINAL RESEARCH Effects of electrother mal ageing on dielectric perfor mance of metallised biaxial orientation polypropylene filmcapacitors
Polyester vs. Polypropylene Capacitors: What''s the Difference?
A polypropylene capacitor is a type of capacitor that uses polypropylene film as its dielectric material. Capacitors are electronic components that store and release electrical energy. Polypropylene capacitors are widely used in various electronic circuits and devices due to their desirable electrical properties and reliability.
Mechanism of insulation resistance in metalized …
Metalized polypropylene film capacitors (MPPFCs) can work under high electric fields due to the self-healing characteristic. Leakage phenomenon caused by the insulation ...
Biaxially oriented silica–polypropylene nanocomposites for HVDC film capacitors…
Biaxially oriented silica–polypropylene nanocomposites for HVDC film capacitors: morphology-dielectric property relationships, and critical evaluation of the current progress and limitations I. Rytöluoto, M. Niittymäki, P. Seri, H. Naderiallaf, K. Lahti, E ...
Improving the dielectric properties of polypropylene for metallised film capacitors …
At present, the operating temperature of metallised film capacitors (MFCs) is continuously increasing, exceeding 100 C in various devices, thus requiring higher dielectric properties from the films used in MFCs []. …
Insulation resistance of metallized polypropylene film capacitors under different electric fields
In pulsed power systems, metallized polypropylene film capacitors (MPPFCs) facilitate the operation of the polypropylene film with a relatively small margin to its dc breakdown strength. The insulation resistance (IR) is one of the important factors that result in the reduction of the energy efficiency, as it represents a current leakage path through the …
Degradation Behavior and Mechanism of Metalized Film Capacitor Under Ultrahigh Field
Metalized film capacitor degradation under ultrahigh electric fields is crucial for the reliability of voltage source converter (VSC)-HVDC systems. In the present study, systematic investigations were performed that metalized film capacitors were aged under the dc electric field ranging from 300 to 400 kV/mm. Results showed that under moderate …
Modeling of stored charge in metallized biaxially oriented polypropylene film capacitors …
Metallized biaxially oriented polypropylene film (BOPP) capacitors are widely used in pulsed power systems. When the capacitor is used as the energy storage equipment under high electric field, more charges should be provided to maintain the voltage of the ...
Failure mechanism of metallized film capacitors under DC field …
The experiments subjected capacitors to 500 h of ageing under two conditions: a DC/AC-superimposed field with a constant DC component of 290 kV/mm and an AC ripple rate varying from 12% to 28%, and a control group aged solely under a …
Lifetime investigation and prediction of metallized polypropylene …
Metallized polypropylene film capacitors (MPPFCs) possess characteristics of high reliabilities and high energy densities, so they are widely used in the pulse power …
Metallized stacked polymer film capacitors for high-temperature …
Metallized film capacitors towards capacitive energy storage at elevated temperatures and electric field extremes call for high-temperature polymer dielectrics with high glass transition temperature (T g), large bandgap (E g), and concurrently excellent self-healing ability.), and concurrently excellent self-healing ability.
Insulation Resistance of Metallized Polypropylene Film Capacitors under Different Electric Fields …
METALLIZED film capacitors (MFCs) are the core electric energy conversion equipment, which is widely used in advanced power systems [1] [2][3].Polypropylene (PP) has the ...
Film capacitor
Film capacitors, plastic film capacitors, film dielectric capacitors, or polymer film capacitors, generically called film caps as well as power film capacitors, are electrical …
Failure mechanism of metallized film capacitors under DC field …
After ageing for 500 h, the capacitor shell was removed, and the capacitor was disassembled to obtain the metallised films and BOPP base films. 2.2 Sample examination The specific test methods of the MFC equipment, the internal metallised films, and BOPP base films are described as follows.
Improved Breakdown Strength of Polypropylene Film by Polycyclic Compounds Addition for Power Capacitors …
In this paper, an improved method for the electric performance of polypropylene (PP) film was proposed to promote the safety and stability of power capacitors. Modified PP films containing three different polycyclic compounds were prepared, which showed good thermal properties and decreased DC conductivity.
Improvement of dielectric properties of polypropylene films for …
Polymer film capacitors have been widely applied in power transmission fields, such as high voltage direct-current (HVDC) transmission systems [1], [2]. With the …
Revisiting the thermal ageing on the metallised polypropylene film capacitor: from device to dielectric film …
Metallised polypropylene film capacitors (MPPFCs) are widely used in power electronics and are generally degraded by elevated temperatures. This work aims to determine the relationships between the structural changes of …
What is a Film Capacitor and Different Types of Film Capacitors …
Understanding Film Capacitor, Polyester Capacitor, Mylar Capacitor, and Polypropylene Capacitor Before we proceed with our article, we need to understand the meaning behind the popular terminologies Film Capacitor, Polyester Capacitor, Mylar Capacitor, and Polypropylene Capacitor.