ETI Blog - Etigroup

Utility-scale Battery storage system

Battery storage system is a system of serial and parallel-connected battery cells. In a battery rack are serial-connected battery modules and in battery array are parallel-connected battery racks. Battery racks are usually containerized and electrically combined inside d.c. combiner boxes, protected with fuse-links. Battery containers are then connected to the battery inverter, electically combined in an inverter d.c. combiner box protected with fuse-links.

Anže Jerman
Product manager

FuseSpline - New software tool

New software tool called FuseSpline, helps users select the suitable HV fuse-links for protection of power transformers, motors or compensatory batteries.

The process of selecting the suitable protective devices in electrical installations is very important and must always be carried out professionally. This is especially true for the high voltage range, ie voltages higher than 1.000V.

Viktor Martinčič
Product manager for fuse systems, Chairman of IEC technical committee for fuses TC 32

Smart home of tomorrow - with ETI protection devices

ETI is a part of all-Slovenian project that brings together individual, recently developed and technologically advanced, yet complementary, solutions of 12 Slovenian companies in a completely new and integrated solution that will enable the construction of a sustainable, smart, interconnected, user-friendly, advanced and healthy living environment.

Matija Strehar
R&D manager for electrotechnical products

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Solutions for protection of photovoltaic energy systems

Photovoltaic energy is today one of the highest growing sources of renewable energy, and the forecast of the future also shows the same trend. With our care for the environment, ETI prepares solutions to the protection of photovoltaic energy systems. Green protect solutions includes NH fuse-links, CH fuse-links, fuse-holders, switch disconnectors, SPDs and all accessories which are needed for safe protection and also for a user-friendly operation and maintenance.

Anže Jerman
Product manager

Utilisation categories of electrical systems

When designing a system that is switching an electrical load it is vitally important to choose the correct type of switchgear that will switch the load on or turn the load.
Electrical systems often involve loads being switched on and off for operation of equipment. In order to select the correct switchgear for the intended application, it is first necessary to determine the operating characteristics of the load to be controlled or switched.

Aleš Semolič
Technical support

LED overvoltage protection

Surge protection in LED lighting applications

Surge protection for LED lighting is very important as all the benefits of these luminaries help us very little if the whole system stops working at the first major storm.

Aleksander Cilenšek
Product manager

Challenges and solutions in DC circuit control

Since the famous battle between Tesla and Edison, which circuit is “better” DC or AC, today more and more often we meet mix of those circuits. Especially when we talk about modern renewable energy sources like PV systems or battery storage systems. As today AC circuits are well understood and there is flood of components and solutions for AC systems, there are still gaps and doubts when we get challenged by proper designing of high energy DC circuits.

Aleksander Cilenšek
Product manager

New developments in overcurrent protection of PV inverters

Recent changes in the field of PV (Photo-Voltaic), mainly related to the expected voltage levels on both the input (DC) direct current of inverters (DC / AC converter) and the output, AC - alternating current, have also had an impact on overcurrent protection of these inverters.

Viktor Martinčič
Product manager

Gaining selectivity with ETIsON software tool

Gaining SELECTIVITY with ETIsON software tool

How do we ensure the best possible optimization of the electrical installation from main distribution bord to the last branch circuit AND preserve selectivity among protective devices? An example from an industrial application.

Aleš Semolič
Technical support

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