Popular posts

  • Smart Solution for 1500VDC 3-Level Central PV Inverters
    Smart Solution for 1500VDC 3-Level Central PV Inverters

    In general a problem occurs when 3-level NPC topologies are developed using several standard half bridge power modules. A series connection of IGBT modules results in high stray inductances which in combination with high switching di/dt cause high switching overvoltages [2]. IGBT modules with an integrated NPC topology phase-leg containing 4 IGBT and 6 diodes potentially have lower stray inductances but are not available for high current ratings and are more expensive due to the complex...

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  • Impact of an Inverter on the Quality of Energy Supplied to the Grid
    Impact of an Inverter on the Quality of Energy Supplied to the Grid

    As photovoltaic installations and solar panels become increasingly popular, they gain importance not only as a source of renewable energy but also as a component influencing the quality of energy supplied to the electrical grid. The key role in this matter is played by a device called an inverter, which is responsible for converting solar energy into electric current. How exactly does an inverter affect the quality of energy, and why is it important?

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  • The Next Generation of High Power IGBT Module
    The Next Generation of High Power IGBT Module

    Applications like wind energy converters, central photovoltaic inverters and industrial drives require power modules with the highest power density, high reliability, and scalable power ranges with a standardized outline in the voltage classes of 1200V and 1700V. To fulfill such requirements, the LV100 power module is based on same outline and internal layout concept as the well-known HVIGBT LV100 module. This concept is convincing because it is based on a standardized package outline while...

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  • NH-FV NHL Network Monitor Signal Tower now connects directly to Amazon Web Services (AWS)
    NH-FV NHL Network Monitor Signal Tower now connects directly to Amazon Web Services (AWS)

    NH-FV Network Monitor Signal Towers can now directly connect to Amazon Web Services (AWS) – no external devices or gateways required. 

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  • Consequences of an Inverter Failure for the Entire Photovoltaic Installation
    Consequences of an Inverter Failure for the Entire Photovoltaic Installation

    Photovoltaic installations are gaining increasing popularity as an environmentally friendly source of electrical energy. The key element in these systems is the inverter, which converts solar energy into alternating current ready for use in households or businesses. The inverter plays an irreplaceable role, but what happens when it fails? In this article, we will discuss the consequences of an inverter failure for the entire photovoltaic installation and ways to manage these potential issues.

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  • The Importance of Humidity Sensors and Their Application in Air Conditioning Systems
    The Importance of Humidity Sensors and Their Application in Air Conditioning Systems

    Introduction: Air humidity plays a key role in maintaining comfortable environmental conditions in industrial and commercial buildings, especially in air conditioning systems. Along with temperature, air humidity has a significant impact on the perceived thermal comfort and the health and safety of building users. Therefore, the importance of humidity sensors in air conditioning systems is becoming more and more important for effective building management and ensuring optimal working and use...

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  • DACPOL in the Forbes magazine's ranking "Most Valuable Family Companies" 2021
    DACPOL in the Forbes magazine's ranking "Most Valuable Family Companies" 2021

    DACPOL in the Forbes ranking of "Most Valuable Family Companies" 2021

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  • 100-lecie Wydziału Elektrycznego Politechniki Warszawskiej
    100-lecie Wydziału Elektrycznego Politechniki Warszawskiej

    Zapraszamy do wspólnego świętowania jubileuszu Wydziału Elektrycznego

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  • Ochrona ciśnieniowa Ex p w pigułce
    Ochrona ciśnieniowa Ex p w pigułce

    EX p jest to metoda ochrony polegająca na umieszczeniu podzespołów, które w czasie swojej normalnej pracy mogą wywołać iskrę lub nagrzewać się, w zamkniętej i szczelnej obudowie wypełnionej powietrzem lub innym gazem niepalnym pozostającym pod stałym ciśnieniem.

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  • Przegląd różnych metod chłodzenia - klimatyzacja, osprzęt do szaf rozdzielczych, chłodnice.
    Przegląd różnych metod chłodzenia - klimatyzacja, osprzęt do szaf rozdzielczych, chłodnice.

    Poprzez rosnącą automatyzację procesów produkcyjnych stosuje się coraz więcej elementów elektrotechnicznych. Elementy te generują duże straty mocy, które zamieniają się w ciepło.

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  • LOCKGARD urządzenie, które optymalizuje bezpieczeństwo ludzi i maszyn
    LOCKGARD urządzenie, które optymalizuje bezpieczeństwo ludzi i maszyn

    LOCKGARD, urządzenie blokujące/odblokowujące, które współpracuje z inteligentnym cyfrowym kluczem RFID

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  • Hybrid Inverters and the Opportunity to Sell Excess Energy to the Grid
    Hybrid Inverters and the Opportunity to Sell Excess Energy to the Grid

    As the interest in renewable energy continues to grow, solar farms are becoming increasingly popular. One of the key components of these installations is the inverter. In this article, we will discuss how the inverter affects the possibility of selling excess energy to the grid.

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  • Risk assessment and explosion risk assessment
    Risk assessment and explosion risk assessment

    An integral part of each explosion risk and risk assessment, which in turn is often an element of the Explosion Protection Document, is a summary containing conclusions regarding the recommended changes and procedures in conditions of explosion hazard. On the example of one of the explosion risk assessments prepared for the mill together with the grain transporting and storage installation, you can create a set of recommendations assigned to the so-called layers of prevention and protection....

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  • Industrial Communication Network
    Industrial Communication Network

    The fourth industrial revolution means industrial automation and modern technology which accompany every production process. Thanks to communication systems it is possible to control the work of devices by collecting more and more data, as well as to integrate production with IT systems.

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  • Power Modules for Combining Innovation, Flexibility and Power Capability in the Various 3-Level Topologies
    Power Modules for Combining Innovation, Flexibility and Power Capability in the Various 3-Level Topologies

    Power conversion applications have always had to deliver high performance while maintaining the required quality of power. The harmonic profile of the output power can be improved by increasing the switching frequency. However, an increase in switching frequency compromises the inverter efficiency. Historically, the conventional 2-level inverters have served the industry with its seemingly uncomplicated topology where developers have always had to strike a balance between efficiency and...

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  • Typy testerów przemysłowych wykorzystywanych w branży energetycznej
    Typy testerów przemysłowych wykorzystywanych w branży energetycznej

    Badania elektryczne są niezbędne w budowie, wytwarzaniu, dystrybucji i konserwacji urządzeń elektrycznych i linii energetycznych. Od transformatora w elektrowni do wyłączników w budynku, diagnozowanie wydajności elektrycznej jest niezbędne do przedłużenia żywotności i wydajności sprzętu. Badania elektryczne zapobiegają również wypadkom, jakie mogą przydarzyć się pracownikom, spowodowanym usterkami elektrycznymi, a także pomagają właścicielom zachować jakość dystrybuowanej energii.

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  • Nowe kompaktowe generatory do grzania indukcyjnego serii EKOHEAT Compact
    Nowe kompaktowe generatory do grzania indukcyjnego serii EKOHEAT Compact

    Firma Ambrell rozszerzyła swoją linię produktową o nowe kompaktowe wersje swoich standardowych generatorów EKOHEAT.

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  • ESD Suppression on Microcontrollers at Board Level
    ESD Suppression on Microcontrollers at Board Level

    EMC tests identify potential EMC problems encountered by microcontrollers in practice. Electrostatic discharge is an issue of particular concern for circuits that include microcontrollers.

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