Behind upgrading the 50+ years old 132/11 kV substation
Let’s look at the 50+ years old 132/11 kV substation that needs refurbishing and uprating as an illustration of the complicated mix of concerns that need to be considered. It shows that there are more than just financial factors to…...
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May 19, 2025 | By Edvard Csanyi
The art of fault clearance in transmission systems: The logic of main and backup relays
The protection and fault clearance requires great attention. In terms of fault clearance protection, we categorize the relays into main protection relays and backup protection relays. The main protection relay is installed at all primary equipment, and it is essential… Read more
Sep 30, 2024 | By Edvard Csanyi
Managing power transformers in service: The most important economic aspects
Utilities are under intense pressure to maximize the use of their current transformer asset base in order to keep rates down while yet providing excellent reliability. In order to achieve higher loading during both regular and emergency operations, long-standing loading…...
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This content is not available in your premium membership plan. Please upgrade your plan in order to access this content. You can choose an annually based Basic, 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.
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Sep 16, 2024 | By Edvard Csanyi
The true art of control, monitoring and protection provided by Substation Automation Systems
The Substation Automation Systems, often known as SASs, are responsible for a tremendous variety of tasks. These include some extremely important actions, such as clearing faults in a timely manner in order to maintain the physical condition of power system… Read more
Jul 01, 2024 | By Edvard Csanyi
Good practice in the design of concrete and steel structures in power substations
The process of designing a substation usually begins with the general substation layout, which is dependent on the required safety clearance and insulation withstand, as well as the permissible loads delivered to substation equipment and structures. The permissible loads, in… Read more
Jun 26, 2023 | By Edvard Csanyi
Learn how to interpret and design single-line diagrams (SLD) for complex projects
A complex project comprises loads ranging from small loads such as sockets and lights to higher loads like Air Handling Units (AHUs), Fan Coil Units (FCUs), motor pumps, and other high motor-driven loads. Loads connected to the project are gathered…...
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This content is not available in your premium membership plan. Please upgrade your plan in order to access this content. You can choose an annually based Basic, 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.
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Oct 31, 2022 | By Mohammed Ayman
Top 20 recommended courses on EEP Academy for electrical engineers and students
Nowadays, it’s simpler than ever to learn and study. Since we launched the EEP Academy, thousands of electrical engineers, students, technicians, and many others have joined the ranks of those who are fervently seeking information and experience. The courses we… Read more
Sep 12, 2022 | By Edvard Csanyi
The most often low-voltage switchboard supply schematics implemented on-site
This technical article is dedicated to several different low voltage switchboard supply schematics often installed on-site. First, we shall look at the several standard LV switchboard supply schematics (network supply only), then supply schematics for switchboards backed up by generators,… Read more
Jul 04, 2022 | By Edvard Csanyi
Parameters of generators, transformers, lines and cables for vars, voltage and loads control
For a power system to operate efficiently and securely, the importance of the correct and coordinated provision and control of reactive power cannot be overemphasised. It is necessary to examine reactive power requirements under both steady-state and dynamic conditions. Although… Read more
Jan 31, 2022 | By Edvard Csanyi
The most common failure modes of electrical equipment in distribution systems
Each piece of electrical equipment on a distribution system has a probability of failing. When first installed, a piece of equipment can fail due to poor manufacturing, damage during shipping, or improper installation. Healthy equipment can fail due to extreme… Read more
May 10, 2021 | By Edvard Csanyi
Fundamental electrical schemes of connections for supply at generator voltage and higher
This technical article will shed some light on fundamental schemes and arrangements of connections for supply at generator voltage, higher than generated voltage, and a few basic transmission schemes. It is important to note that the choice of the electrical…...
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This content is not available in your premium membership plan. Please upgrade your plan in order to access this content. You can choose an annually based Basic, 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.
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Mar 08, 2021 | By Edvard Csanyi
Why substation equipment fails and why it’s wise to think of that much before failure
This technical article will try to shed some light on why and how electrical equipment fails and what’s happening before and during the failure of particular substation equipment like switchgear, power transformer, and cable installations. A deep understanding of all… Read more
Dec 09, 2019 | By Edvard Csanyi
The essentials of designing MV/LV single line diagrams (symbols & drawings analysis)
First of all, power system designers should always communicate their design requirements through a combination of drawings, schedules and technical specifications. One of the key tools in developing and documenting an electrical power system is the Single Line Diagram (shortened… Read more
Jul 29, 2019 | By Edvard Csanyi
MV/LV transformers – The most common power supply in low voltage networks
The general term power supply in LV networks refers to the supply of electrical energy. The power supply, and more generally the different supplies, are provided by sources (mains supply, batteries, generator sets, etc.) which can be MV/LV transformers, diesel… Read more
Jun 24, 2019 | By Edvard Csanyi
Learn HV substation elements (graphic symbols, basics & connection schemes)
High voltage substations are pretty complex to understand since they have a way too many elements and each element is complex for itself and it depends on many system parameters and other elements. This technical article will shed some light… Read more
Apr 15, 2019 | By Edvard Csanyi
