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Table Of Content
    1. Brückner Maschinenbau
    2. News
    3. Capacitors in transition
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    Capacitors in transition

    09 Sep 2024

    Brückner lines deliver high-quality capacitor films for increasingly diverse requirements

    Due to the energy revolution, we are undergoing one of the biggest technological transformations of modern times. Renewable energy from sun or wind is supposed to be stored and made available anytime and anywhere. In the field of power electronics, e.g. in converter technology for photovoltaics, wind power, as well as electric vehicles, capacitors - particularly DC link capacitors - are an essential component for power conversion and supply.

    Compared to the previously used ceramic capacitors, film capacitors make increased use of BOPP films as dielectrics. This capacitor film made of polypropylene is primarily characterized by a low dissipation factor and high dielectric strength. There are limitations, however, especially in the area of thermal stability and energy density.

    In general, the fields of application in the mobility and renewable energy sectors become more and more versatile, thus the requirements concerning capacitors are increasing. Reduction of the installation space required with the same capacity as well as rising operating temperatures make manufacturers look for new concepts and further developments.

    Our contribution in the field of capacitor foils

    In order to meet these more and more varied requirements, we are constantly enhancing our biax line concepts. Together with raw material manufacturers and capacitor producers, we are testing new material concepts and seek ways to increase thermal stability and energy density.

    Our LISIM® technology is becoming an increasingly important element in this. Brückner‘s Linear Motor Simultaneous Stretching technology uses linear motors driving clips without mechanical connections. This drive principle guarantees a unique degree of freedom in the manufacture of high-quality, simultaneously stretched films in a fast and flexible production. In the case of capacitor films, it particularly allows for the manufacture of high-quality, thin films below 3µm and the processing of various and also innovative material concepts.

    The globally unique LISIM® technology has already been used successfully by leading film manufacturers worldwide for years and has proven the excellent film properties and high reliability of this line system: for various polymers and numerous packaging and high-tech applications.

    More News

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    28 May 2025

    First hybrid BOPP/PE line successfully commissioned in the Southeast Asian markets

    PT. Indopoly Swakarsa and Brückner are celebrating the unlocked potential for BOPE packaging solutions in this region
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    27 Apr 2025

    Runs like clockwork

    Brückner’s sliding chain track system conquers the BOPET world 
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    22 Apr 2025

    Zhejiang Nanyang Huacheng and Brückner Maschinenbau paving the way for the future with EV applications

    10 more PP capacitor film lines
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    10 Apr 2025

    A clear commitment to film production in Europe

    Plastchim-T/Manucor orders a new Brückner BOPP film line
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    24 Mar 2025

    Two new high-efficiency BOPP lines for GulfPack

    Setting the benchmark in the GCC area and beyond
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    19 Mar 2025

    Value added labels and packaging films? Brückner’s LISIM® is the technology of choice

    Unique simultaneous stretching line for Innovia
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    28 Feb 2025

    7th Brückner Asia Symposium – the place to be

    Host country Vietnam the perfect setting for networking across the BO industry
    Read more
    24 Feb 2025

    Oben Group Orders World's First 12m BOPP Line with an Output of 94,000 TPA

    With a speed of 700 m/min and a film width of 12 m, the world's most efficient production line is being built for its plant in Mexico.
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    12 Feb 2025

    New drive for biomaterials

    NatureWorks and Brückner further improve BOPLA
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    22 Jan 2025

    Brückner Maschinenbau certified for effective energy management

    DEKRA awards ISO 50.001 certification
    Read more
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