Power Substation
Eight criteria you should consider when choosing the right MV/LV transformer type
Although there are few common-sense rules that every electrical engineer follows when choosing the transformer type, it’s always a good idea to name the most important of them. This technical… Read more
Jan 29, 2020 | By Edvard
Energy and Power
Connections and composition of LV/MV/HV capacitor banks
Compensation capacitors are installed in numerous locations in electrical installations. They are to be found in high voltage transmission and distribution systems, in transformer substations and also at various levels… Read more
Jan 27, 2020 | By Edvard
Low Voltage ♛
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How does low voltage protection unit work and what’s the most important to understand
If we are talking about LV applications, the protection (or trip) unit is a functional part of a circuit breaker. In most cases, they are physically integrated into the same…...
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Jan 23, 2020 | By Miodrag Kokotovic
Medium Voltage
IEC and NEMA/IEEE ratings of current transformers (CTs) in medium voltage applications
First, let’s remind ourselves of the basics in a few sentences. That is something you must know. A current transformer (CT) is designed to produce a secondary current which is… Read more
Jan 20, 2020 | By Edvard
Low Voltage ♛
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How to avoid common mistakes during wiring and startup of power factor correction (PFC) cubicle
Power factor correction (PFC) and reactive power compensation (RPC) are often used as synonyms in practice. Although they are similar and mutually dependent terms, they don’t represent the same thing…....
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Jan 16, 2020 | By Miodrag Kokotovic
Low Voltage
The story of designing the electrical part of MV/LV power substation
Designing a new MV/LV distribution substation is somewhat complicated and involves a lot of factors you must take care of. This technical article will try to present the essential steps… Read more
Jan 15, 2020 | By Edvard
Cables
The problem of induced voltages in control cables in high voltage substations
Cabling in power substations is very important due to the fact that they are the longest parts of a system and therefore act as efficient antennas that pickup and or… Read more
Jan 13, 2020 | By Edvard
Medium Voltage ♛
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The art of arc-protection relaying in MV applications
Arc-flash detection relays are superior and provide much faster arc-flash detection times compared to the differential relays. With modern arc-flash detection technology, this detection time is of the order of…...
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This technical article/guide requires a Premium Membership. You can choose an annually based Plus, Pro, or Enterprise membership plan. Subscribe and enjoy studying specialized technical articles, online video courses, electrical engineering guides, and papers. With EEP's premium membership, you get additional essence that enhances your knowledge and experience in low- medium- and high-voltage engineering fields.Check out each plan’s benefits and choose the membership plan that works best for you or your organization.
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Jan 08, 2020 | By Edvard
Energy and Power
14 disturbance types that mess up power quality and 50/60 Hz sinusoidal signal
The quality of electrical energy seems to be very popular nowadays. It may be affected either by events that occur on the distribution systems (switching, lightning, etc.) or by the… Read more
Jan 06, 2020 | By Edvard
Energy and Power
It’s time to go further. Engineers, Happy New Year 2020!
Here comes the New Year! As 2019 is coming to an end, it is time to take a glimpse at what was, but more importantly to look forward to what… Read more
Dec 31, 2019 | By Edvard
Energy and Power
Essential fundamentals of harmonics distortion for future power quality experts
If you take a look at the past, you must notice that power system was much cleaner and straightforward. Most loads were primarily linear in nature. Linear loads draw the… Read more
Dec 30, 2019 | By Edvard
Industrial Automation ♛
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Soft starter for potable water well pump (wiring diagram, troubleshooting example)
This article will analyze a real example of an electrical switchboard for a potable water well pump, containing a soft starter as one of the major components. Besides the explanation…...
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Dec 27, 2019 | By Miodrag Kokotovic
Energy and Power
Why earth leakage protection is necessary in low voltage installations
We all should know that low voltage circuit breakers and fuses operate in the event of excess current arising from overload conditions and faults. As the statistics say, the most… Read more
Dec 25, 2019 | By Edvard
Low Voltage
Five switching devices you are likely to spot in most of the low voltage switchgear
This technical article will try to shed some light on switching devices usually installed in low voltage switchgear – circuit breakers, contactors, disconnectors, load-break switches, switch disconnectors and fuses. There… Read more
Dec 23, 2019 | By Edvard
Medium Voltage ♛
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The analysis of MV/LV incoming supply configurations for large industrial plants
The metal-processing industry is an excellent example where you can find specific large industrial plants. Why specific? Maybe because in such plants, there are only a few individual large loads…...
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This technical article/guide requires a Premium Membership. You can choose an annually based Plus, Pro, or Enterprise membership plan. Subscribe and enjoy studying specialized technical articles, online video courses, electrical engineering guides, and papers. With EEP's premium membership, you get additional essence that enhances your knowledge and experience in low- medium- and high-voltage engineering fields.Check out each plan’s benefits and choose the membership plan that works best for you or your organization.
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Dec 18, 2019 | By Edvard
