Planning and installation of the low voltage switchgear – The devil is in the detail!
To be honest with you, the planning and installation of LV switchgear is a damn complicated job. But you knew that :) There are dozen of detail where you can stumble, if not planned carefully… Read more
May 24, 2020 | Edvard
Four very important precautions for installation of cables and busbar trunking systems
First, to be clear, there are dozen of concerns and precautions you should be aware of when we talk about energy transport. Cables and busbar systems are the most common and reliable ways to do… Read more
May 11, 2020 | Edvard
Twelve doubts in ground testing that make electrical engineers pretty confused
Ground testing is often misunderstood by electrical engineers and technicians who do not perform such testing often and regularly. It seems that there are a lot of questions and doubts on testing the ground. This… Read more
May 06, 2020 | Edvard
Why should plant engineers be worried about the power factor? What’s the catch?
Why are power engineers interested in plant power factor, what causes low power factor, and how can it be improved? The objectives of this article are to answer these questions briefly and to include handy… Read more
May 04, 2020 | Edvard
Five power quality devices that every commercial plant must have installed
Nowadays everybody speaks about power quality. For many reasons, I would say. Electrical energy is now polluted more than ever, and consumers are more sensitive to power disruptions and fluctuations than a small flower to… Read more
Apr 20, 2020 | Edvard
The essentials of power systems: Relay protection and communication systems
First, I would like to make a note that there are many essentials when we speak about power systems in general. The main relay protection functions (overcurrent, directional, differential, distance, etc.) and network communication systems… Read more
Apr 06, 2020 | Edvard
Civil engineering in installation of substation buildings and switchboard rooms
What is the civil engineering of substation? The civil engineering includes a large quantity of information and details for the structural drawings required to design switchgear installations. The structural drawings are the basis for producing… Read more
Apr 01, 2020 | Edvard
Six less known phenomena that can cause disturbance in electrical installations
In addition to the known phenomena of lightning and switching, numerous new sources, in particular power converters, can cause disturbance in installations. This disturbance, which is generated by the installation itself or carried by the… Read more
Mar 30, 2020 | Edvard
AC and DC facilities in electrical station services of major power plant types
In a power plant, the electrical station services (abbreviated to SS in the following) consists of all the DC facilities from 24 to 220 V and AC facilities up to about 20 kV for controlling…...
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Mar 23, 2020 | Edvard
The art of determining the right cross-section of low voltage conductors
To be clear at the beginning of this article, determining the cross-section of conductors and cables is, for sure, not the most exciting part of electrical design. There are much more challenging and more exciting… Read more
Mar 16, 2020 | Edvard
Five actions to achieve excellent energy savings in old electrical installations
Not all existing electrical installations lack energy efficiency, but most of them do. Especially if they were built 15-20 years ago and older. Although it is generally acknowledged that substantial energy savings are possible in… Read more
Mar 04, 2020 | Edvard
When can we say that earthing arrangement is safe for people (confusions in practice)
This article will analyse some of the most important safety issues related to design and use of LV electrical installations. Besides explanation of relevant terms in this field defined by IEC standards, some misinterpretations and…...
PREMIUM Membership Required
This technical article/guide requires a Premium Membership. Get access to all premium HV/MV/LV technical articles, electrical engineering guides, and papers. Check out each plan's benefits and choose the membership plan that works best for you or your organization.You can choose an annually based Plus, Pro, or Enterprise membership plan.Log InSign Up
Feb 28, 2020 | Miodrag Kokotovic
Controlling power system parameters through reactive power (VAr) compensation
To be honest, transmission and distribution networks are full of problems. But that’s nothing new, and you already knew that. This technical article will shed some light on solving some pretty severe problems in transmission… Read more
Feb 17, 2020 | Edvard
Design and control considerations for an example of the waste water pumping station
Waste water pumping stations are very common application examples of three phase induction motor. There are numerous varieties of power supply and control logic, depending on exact conditions in the place of installation, the role…...
PREMIUM Membership Required
This technical article/guide requires a Premium Membership. Get access to all premium HV/MV/LV technical articles, electrical engineering guides, and papers. Check out each plan's benefits and choose the membership plan that works best for you or your organization.You can choose an annually based Plus, Pro, or Enterprise membership plan.Log InSign Up
Feb 14, 2020 | Miodrag Kokotovic
Inevitable in almost all electrical switchboards – Residual current device (RCD)
Technology that RCD uses is so simple and so magical. The residual current device continually measures the difference between the value of the outgoing and incoming currents in the circuit it is protecting. If this… Read more
Feb 12, 2020 | Edvard
