Energy and Power
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… Read more
Jul 29, 2019 | By Edvard Csanyi
Technical Guide/Paper
Dangerous contact currents induced by electrical field in 400 kV substations
Every kind of task in a substation will give exposure to different levels of electric and magnetic field as well as contact currents. The major part of exposure levels and… Read more
May 01, 2019 | By Edvard Csanyi
Electrical Lectures
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… Read more
Apr 15, 2019 | By Edvard Csanyi
Energy and Power
Electrical design of healthcare facilities (essential system requirements)
Due to the critical nature of the care being provided at healthcare facilities and their increasing dependence on electrical equipment for preservation of life, they have special requirements for the… Read more
Apr 01, 2019 | By Edvard Csanyi
Technical Guide/Paper
Lightning protection in a nutshell (design, bonding, earthing and testing – IEC 62305)
Within a power distribution system, overcurrent and residual current devices (RCDs) are used for the protection of human lives against shock hazard as well as to protect the structure /… Read more
Jan 28, 2019 | By Edvard Csanyi
Electrical Lectures
The basic things about substations you MUST know in the middle of the night!
To explain in very simple words, I would say that substation is a bunch of electrical devices gathered and connected in one place. On top are clever electrical devices who… Read more
Jan 09, 2019 | By Edvard Csanyi
Power Substation
Coordinating study in protection of utility supply line, transformer and plant main bus/feeder
The installation of a dedicated substation to serve a plant actually involves an interface between the utility and the plant. Close coordination between utility and plant personnel is essential so… Read more
Nov 21, 2018 | By Edvard Csanyi
Power Substation
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7 essential functions of a digital substation automation system (SAS)
As you already know, every power substation consists of a group of HV devices whose individual sizes depend on substation operation voltages, which is called the primary equipment, as well…...
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Oct 05, 2018 | By Edvard Csanyi
Technical Guide/Paper
Overcurrent and differential digital protective relays with monitoring capabilities
The protection of power distribution and transmission systems is a critical application in ensuring safe, reliable and efficient supply of electricity to the consumers. The protection allows for the mitigation… Read more
Oct 03, 2018 | By Edvard Csanyi
Protection
Short circuit phenomenon you should properly understand
A short circuit in an electrical circuit is a part of the circuit that for some reasons has become “shorter” than it should be. The current in an electrical circuit… Read more
Oct 03, 2018 | By Edvard Csanyi
Technical Guide/Paper
Simulation of protection system with a source, circuit breaker, transformer and motor
This project simulates protected system that includes a source, circuit breaker, transformer, and motor. Schweitzer Engineering Laboratory’s (SEL) protection relays are used to open breakers during fault conditions on transformers… Read more
Sep 12, 2018 | By Edvard Csanyi
Energy and Power
An algorithmic approach to space optimized design of modular switchboards
Modular Switchboards are used for electrical power distribution in industrial and commercial locations. It is often important to know the dimensions of the Switchboards beforehand, especially in case of large… Read more
Aug 01, 2018 | By Apurva Singh
Low Voltage
Selection of relay for incoming and outgoing feeders for MV and LV MCC switchgear
Selection of proper relay is one of the most important stages to have a reliable network. In this article, selection of relay for incoming and outgoing feeders for LV switchgear… Read more
Jul 02, 2018 | By Edvard Csanyi
Power Substation
How Arc suppression reactors (Earth fault neutralisers or Petersen-coils) work?
Arc-suppression reactors are also named earth fault neutralisers or Petersen-coils after W. Petersen who launched the idea of this particular reactor application early in the previous century. In high voltage… Read more
Jun 25, 2018 | By Edvard Csanyi
Energy and Power
Current heat losses produced by electrical operational equipment in LV switchgear
It is widely accepted by all manufacturers that accumulation of heat (leading to overheating of devices) in switchgear is one of the greatest risks that could shorten the life expectancy… Read more
May 28, 2018 | By Edvard Csanyi
