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Knowledge Base – We share our experiences, insights, and more

We believe that professional consulting shouldn’t begin only at the stage of purchasing surge protectors. Check out our expert articles to learn more about selecting surge protection devices and integrating them into a completed project.

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Knowledge

Transmission Tower Types

Overhead power lines are a fundamental part of the infrastructure of any electrical transmission system – from local distribution lines to long-distance high voltage transmission lines.

Knowledge

The most costly mistakes when selecting surge arresters – A list of the 12 most common

When designing medium- and high-voltage networks, we often fall into pitfalls arising either from budgetary constraints or structural limitations.

How dangerous the excessive voltage of a power surge is to electronic devices?

Knowledge

What is an electrical power surge in medium and high voltage networks?

A power surge is a temporary increase in voltage in an electrical installation, power network, or device that exceeds its rated operating voltage.

Knowledge

Linie wysokiego napięcia w Polsce – kręgosłup bezpieczeństwa energetycznego i wyzwania transformacji

Dlaczego linie wysokiego napięcia są tak ważne? Czy zastanawiałeś się kiedyś, dlaczego proces przesyłania energii elektrycznej odbywa się właśnie na wysokim napięciu? To nie przypadek – wynika to z samej...

Knowledge

Effective solar panel lightning protection of large PV farms

Few areas of the energy industry have experienced such dynamic changes in recent years as the PV installation sector. According to publicly available data, including reports from the Polish Photovoltaic...

News

Protektel at the Hannover Messe 2025

Why is it worth visiting Hannover Messe 2025? In addition to many networking opportunities, Hannover Messe provides a great way to learn about and follow current industrial and technological trends....

Knowledge

Tramway Traction – How to Effectively Protect Its Infrastructure from Power Surges?

Data from the ZTM Statistical Handbook speaks for itself. With the number of operated lines being ten times lower than that of buses (24 to 258), trams in the Polish...

Knowledge

Technical difficulties and challenges in energy sector projects faced by project managers

It would seem that the construction of a power substation, according to specific and proven schemes, should not involve any unforeseen situations. However, practice shows that this sometimes varies. In...

Our Products

PROXAR® surge arresters meet the requirements of the IEEE C62.11-2020 standard

PROXAR® surge arresters, manufactured in Poland, meet the requirements of the IEEE C62.11-2020 standard although they are designed according to the European standard IEC 60099-4:2014. We explain what are the...

Knowledge

How did the revision of the EN 60099-4 standard confirmed the high quality of Protektel® arresters?

The changes in the second edition of the EN 60099-4 standard became a cause of trouble not only for some manufacturers of surge arresters manufacturers, but also for customers. To...

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