Energy and Power
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The technology behind distributed control system (DCS) in a thermal power plant
A DCS is the heart of a thermal power plant’s instrumentation and control systems. DCS stands for ‘distributed control system’, and the term ‘distributed’ means that several processors are operating together. This is usually achieved by dedicating tasks to different…...
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Aug 09, 2018 | By Edvard Csanyi
Energy and Power
8 practical applications of testing ground system using clamp-on tester
First of all, it is extremely important that the operator/engineer understand the ground system that is being tested. The clamp-on measurement works well in many situations, but it has limitations and is not applicable in some configurations. Clamp-on ground testing… Read more
Aug 08, 2018 | By Edvard Csanyi
Energy and Power
Generator earthing and stator earth fault protection
Generating unit is a pretty complex system made up of the generator stator winding, its transformer and unit transformer (if present), the rotor with its field winding and excitation system, and the prime mover with its associated auxiliaries. Many different… Read more
Aug 06, 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 installations like a Power Plant. The details are used for… Read more
Aug 01, 2018 | By Apurva Singh
Energy and Power
Installing and setting into operation of automatically controlled compensation banks
During previous decades manufacturers of automatic compensation banks faced increasing competition worldwide. They were forced to produce as economically as possible. Now, new technologies have been developed compared with the past when capacitors were bigger and heavier. Minimizing capacitors enabled… Read more
Jul 23, 2018 | By Edvard Csanyi
Energy and Power
How to create a specific neutral earthing system within existing one (islanding)
Each neutral earthing system has advantages and disadvantages for the safety of property, electromagnetic compatibility or continuity of service. The main system must therefore be chosen according to these criteria, but the characteristics of the system, the receivers, and the… Read more
Jul 18, 2018 | By Edvard Csanyi
Datacenters
Eight substation equipment needed to power up data center
A few years ago I participated in an interesting project Telenor Data Center in Belgrade – The most advanced technical building in the region of Central and Eastern Europe. The building extends to 2,600 square meters and has the most… Read more
Jul 11, 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 of a switchgear, thus potentially damaging electrical and electronic devices… Read more
May 28, 2018 | By Edvard Csanyi
Cables
How optical communication cables work and how they differ from other cables
In several previous articles I mentioned optical fibre in the context of substation automation, protection signaling, communication between electrical devices, LAN communications, etc. Now I will get into details of fibre optic basics, design, jointing/termination and installation. Let’s start the… Read more
May 23, 2018 | By Edvard Csanyi
Electrical Lectures
Lecture Notes In DC Electric Sources and Principles Of Electrical Circuits
DC sources refer to sources of electrical energy which are associated with constant voltages and currents. A DC power supply can be constructed as an electronic circuit operating from the ac mains electricity supply and designed for purpose. Alternatively it… Read more
May 16, 2018 | By Edvard Csanyi
Energy and Power
What is the Ground Potential Rise in your home and why you should take it seriously
People familiar with electricity frequently accept the idea that “Ground is ground,” i.e., that in a house, especially with a grounding system that complies with the NEC or CEC, all points of the grounding system are at the same voltage…. Read more
Apr 30, 2018 | By Edvard Csanyi
Energy and Power
Have you experienced an incorrectly specified CT that can’t be manufactured?
When a CT manufacturer says that he is unable to manufacture the requested CT, nine times out of ten this is because the CT has been incorrectly specified. To eliminate all the cumulated safety margins taken by all the people involved,… Read more
Mar 07, 2018 | By Edvard Csanyi
Energy and Power
Step-by-step tutorial for building capacitor bank and reactive power compensation panel
Design of reactive power compensation panel is much different and not that simple like standard distribution panel. When dealing with such panels, there are dozen of parameters to specify and other things to take care of. This article is the… Read more
Feb 28, 2018 | By Edvard Csanyi
Energy and Power
Measurements and Calculations Of Earth Electrode Systems (BS 7430)
System earthing involves the provision of a connection to the general mass of earth. This connection should have a resistance not greater than that required to operate safety mechanisms to isolate the electricity supply from a fault situation. Second important… Read more
Feb 26, 2018 | By Edvard Csanyi
Energy and Power
Essential considerations on the neutral and protective conductor in LV power system
The neutral conductor is a live conductor that is connected to the neutral point of the system and is able to contribute to the transmission of electric power. The neutral point is usually, but not necessarily connected to the star-point… Read more
Feb 19, 2018 | By Edvard Csanyi
