CUSTOMER REQUEST: For some applications of distributors, special needs may arise that go beyond what is normally requested. For example, many more outputs per phase may be requested than the products available in the catalogue....
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Question of the month
What does it mean to certify a photovoltaic system fixing system? What is the difference between a technical document and certification?
CUSTOMER REQUEST: We are often asked if we issue a CERTIFICATION for photovoltaic fixing systems. OUR ANSWER: TEKNOMEGA performs accurate calculations taking into account the loads required by the Technical Construction Standards (NTC2018),...
What are the factors behind the calculation of the current carrying capacity (ampacity) of copper or aluminum busbars? How to interpret manufacturer tables?
CUSTOMER REQUEST: The term ampacity, which stands for ampere-capacity, indicates the maximum current that can pass through a conductor in continuous use, without the latter exceeding a certain temperature. Customers often ask us how to choose the right...
TEKNOMEGA obtains DNV Certification for Coflex Plus: meeting the highest standards in the marine industry
We are proud to announce that our Coflex Plus products have obtained the prestigious DNV (Det Norske Veritas) certification, a recognition that attests compliance with the highest standards required by the maritime sector. Coflex Plus is the bar...
Does it make no difference whether the panel is fixed on the long or short side?
CUSTOMER REQUEST: We are often asked whether it makes no difference whether the panel is fixed on the long side or the short side. OUR ANSWER: The most correct answer is the classic one: it depends. In fact, it is necessary to consult the assembly instructions of the panel...
Is it possible to replace only some parts of a system (obsolete or broken) and keep the components that are still usable?
CUSTOMER REQUEST: The term revamping, from the English "to revamp" meaning to modernise, renew, is used to indicate the operation of remaking and restructuring the systems. In this specific case, the request was to recreate the...
Is it possible to install flexible busbars instead of rigid copper bars?
CUSTOMER REQUEST: Create a flexible connection bar solution between MCCB (Molded Case Circuit Breaker) and distribution boards. Standard level of safety and heat resistance suitable for high power electric charging systems. OUR...
PHOTOVOLTAIC SYSTEMS: Why is it necessary to provide the exact installation address?
CUSTOMER REQUEST: We are often asked why we are so meticulous in knowing the exact installation address even during the request/offer phase. OUR ANSWER: Providing the exact installation address is essential for calculating the...
Why is it not sufficient to perform the overturning test only for photovoltaic fixing structures with ballast?
CUSTOMER REQUEST: We are often asked why it is not sufficient to perform the check only on capsizing. OUR ANSWER: Because there are three failure modes of a ballasted system: capsizing, in which the action of the wind causes the...
Energy storage: how to size the parallel for a DC system?
CUSTOMER REQUEST: Parallel the various battery modules so as to have a single output point. Create a configuration capable of guaranteeing short circuit resistance with peak current (Ipk) greater than 150 kA. OUR SOLUTION: The Technical Office...