Four essential ingredients of an electrical power system
Generally speaking, you must agree that electrical power system is a complex project consisting of the four main ingredients. Now, let’s observe each ingridient in details: Electricity supply Transmission Distribution… Read more
Dec 30, 2016 | By Edvard Csanyi
Protection from fault current by automatic power supply disconnection
The use of protective conductors linking all the exposed conductive parts of all equipment creates a circuit called the “fault loop” designed for circulation of the fault current that arises… Read more
Nov 21, 2016 | By Edvard Csanyi
Guide to power balance and choice of power supply solutions
Book 2 of the Legrand Power Guide provides guidance on this approach, by describing the essential aspects of an initial analysis, whether this is based on a project (new) or… Read more
Nov 01, 2016 | By Edvard Csanyi
Legrand power guide for optimization of electrical installation projects
The Legrand power guide is divided into 13 books, each dealing with a particular topic in detail as shown below. Energy efficiency in buildings, choice of circuit breakers or surge… Read more
Nov 01, 2016 | By Edvard Csanyi
Wiring of control power transformer for motor control circuits
The motor branch circuit is usually a segment of a larger electrical distribution network in an industrial plant. The motor circuit supplies the required power to the various control devices… Read more
Oct 28, 2016 | By Edvard Csanyi
Advice how to calculate the power loss inside the low voltage switchboard
In order to give the necessary indications on the methods intended to calculate power loss and improve the current carrying capacity of the circuit breakers inside LV switchboard, first of… Read more
Sep 30, 2016 | By Edvard Csanyi
7 typical layout designs of 11kV indoor distribution substation
The following layout designs of indoor distribution substation are typical only and should not be used as construction drawings as they are presented as an example. Some designs achieve minimum… Read more
Sep 26, 2016 | By Edvard Csanyi
Guide to protection of power systems with distributed generation
Distributed generation, dispersed, decentralized or embedded generation (DG, EG) are keywords for an upcoming probable paradigm shift in electric power generation. There is no standing international definition for these terms, but… Read more
Sep 25, 2016 | By Edvard Csanyi
Calculate reactive power of the capacitor bank and improve power factor
For the dimensioning of the capacitor bank to be installed in order to improve the power factor of a plant, it is necessary to calculate correctly the power factor according… Read more
Aug 24, 2016 | By Edvard Csanyi
Electricity generation, transmission and distribution guides
The purpose of the electric transmission system is the interconnection of the electric energy producing power plants or generating stations with the loads. A three-phase AC system is used for… Read more
Aug 07, 2016 | By Edvard Csanyi
What is distribution substation and its main components?
Distribution substation typically operates at 2.4 – 34.5 kV voltage levels, and deliver electric energy directly to industrial and residential consumers. Distribution feeders transport power from the distribution substations to the end… Read more
Jul 22, 2016 | By Edvard Csanyi
The essentials of AC power transformers for students and beginners
AC power transformers are one of the keys to allowing widespread distribution of electric power as we see it today. Transformers efficiently convert electricity to higher voltage for long distance… Read more
Jul 15, 2016 | By Edvard Csanyi
The basics of power in alternating current circuits (you MUST NEVER forget)
In a DC circuit, the power is equal to the voltage times the current, or P=V×I. This is also true in an AC circuit when the alternating current and voltage… Read more
Jul 08, 2016 | By Edvard Csanyi
4 Main Types Of Distribution Feeder Systems To Recognize
Let’s take a look at the four most common distribution feeder systems applied nowadays. There are few other variations, but we will stick to the basic ones. It’s very important to… Read more
Jun 23, 2016 | By Edvard Csanyi
Design Guide For Overhead Distribution Systems
In older distribution systems the supply authority collects the bulk energy at 66 kV or less from the transmission substation. As indicated in Figure 1 below, there are specific voltage values… Read more
May 14, 2016 | By Edvard Csanyi