Energy and Power
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
High Voltage
5 Serious Environmental Impacts Of HVAC Over HVDC Overhead Transmission Lines
The following discussion largely summarizes a paper by L. A. Koshcheev (2003) on the potential environmental impacts of HVDC overhead transmission lines in comparison to HVAC lines. In the paper,… Read more
Jun 20, 2016 | By Edvard Csanyi
Power Substation
Influence Of Electric Field and Clearances In EHV AIS Substation
Bus height is also governed and calculated by the fact that allowable electric field due to live conductor at man height should be less than permissible value as per guidelines… Read more
May 27, 2016 | By Asif Eqbal
Power Substation
Clearance Requirements In EHV AIS Substation You MUST Respect
Starting point for planning a substation is its single line diagram (SLD) which relates to circuit configuration, number of bus bars and its type and other associated equipment. However from… Read more
May 25, 2016 | By Asif Eqbal
High Voltage
What would be the best solution for urban supply networks – AIS or GIS system?
This technical analysis was carried out by ABB to show that for urban supply networks the combination of HV gas insulated switchgear – GIS (due to their compactness and flexibility) and… Read more
May 23, 2016 | By Edvard Csanyi
Energy and Power
Main substations installed on public MV network, their functions and layout
This technical article is a reminder of the main substations installed on MV networks. It is concluded by two layouts showing their applications in real terms. A substation or installation… Read more
Mar 18, 2016 | By Edvard Csanyi
Cables
Underground residential distribution – More hidden and more reliable
A classic underground residential distribution circuit is an underground circuit in a loop arrangement fed at each end from an overhead circuit (see Figure 1). The loop arrangement allows utilities… Read more
Mar 11, 2016 | By Edvard Csanyi
Protection
Setting the generator protective relay functions
This technical article will cover the gathering of information needed to calculate protective relay settings, the setting calculations for the various protective functions, typical generator/turbine withstand times for abnormal operating conditions,… Read more
Jan 16, 2016 | By Edvard Csanyi
Energy and Power
Single-line diagram of the AC transmission and distribution system
The conductor system by means of which electric power is conveyed from a generating station to the consumer’s premises may, in general, be divided into two distinct parts i.e. transmission… Read more
Nov 13, 2015 | By Edvard Csanyi
Protection
Secondary Distribution Networks In Urban Areas
A high level of interconnection, either ring or mesh, to ensure a high degree of availability of supply to the consumer, characterises secondary distribution networks in urban areas. Domestic, industrial… Read more
Nov 04, 2015 | By Edvard Csanyi
Energy and Power
Phases and wires in distribution of AC power
AC power transmission is always at high voltage and mostly by 3-phase system. The use of single-phase system is limited to single-phase electric railways. Single-phase power transmission is used only… Read more
Oct 19, 2015 | By Edvard Csanyi
Energy and Power
9 basic rules for dimensioning of electric circuits
Basically, the dimensioning process itself is easy to understand and can be performed using simple means. Its complexity lies in the procurement of the technical data on products and systems,… Read more
Oct 16, 2015 | By Edvard Csanyi
High Voltage
7 Methods To Avoid Insulator Flashovers
Contamination caused insulator flashovers produce frequent outages in severely contaminated areas. Lines closer to the ocean are in more danger of becoming contaminated. Several countermeasures have been proposed to improve… Read more
Oct 14, 2015 | By Edvard Csanyi
Power Substation
The Basics Of Distribution Substations For Electrical Engineers (Beginners)
Distribution substations serve a wide range of private and public customers in distributing electric power. They can be shareholder, cooperatively, privately, and government owned. All substations contain power transformers and… Read more
Oct 07, 2015 | By Edvard Csanyi
High Voltage
FACTS Devices To Enhance Power System Performance
Flexible Alternating Current Transmission System (FACTS) simply refers to a combination of power electronics components with traditional power system components. They are intended to improve our power system reliability, power… Read more
Sep 28, 2015 | By sajna soman
