High Voltage
AIS – Air insulated substations
In large, modern AC power systems, the transmission and distribution systems function to deliver bulk power from generating sources to users at the load centers. Transmission systems generally include generation… Read more
Sep 06, 2011 | By Edvard Csanyi
High Voltage
GIS vs AIS – Life cycle assessment
In order to ensure the future supply of electricity we require sustainable concepts that preserve resources and do not harm our environment. Humankind needs a reliable and secure power supply… Read more
Jul 14, 2011 | By Edvard Csanyi
Energy and Power
Magnifying transmitter – Nikola Tesla
Nikola Tesla is known for many great inventions. Almost all modern power distribution and production systems use Tesla’s designs from over 100 years ago. In addition to that, we have… Read more
May 11, 2011 | By Edvard Csanyi
Energy and Power
Switchboard Construction Basics For Engineers
Power distribution systems are used in every residential, commercial, and industrial building to safely control the distribution of electrical power throughout the facility. Most of us are familiar with the… Read more
Apr 09, 2011 | By Edvard Csanyi
Low Voltage
Surge protection of cells and inverter – DC side
Providing power with photovoltaic solar panels is tremendously interesting in the context of renewable energy sources, as regards economical LV photovoltaic systems connected to the public electricity network. Because of… Read more
Mar 17, 2011 | By Edvard Csanyi
Power Substation
Reasons for Substation Grounding System
There are many parameters that have an effect on the voltages in and around the substation area. Since voltages are site-dependent, it is impossible to design one grounding system that… Read more
Jan 09, 2011 | By Edvard Csanyi
Energy Efficiency
NEMA TP1 Energy Efficiency Standard
Most commercial and industrial facilities require several low-voltage transformers to decrease the voltage received from the utility to the voltages used by various loads such as lighting, computers and other… Read more
Jan 08, 2011 | By Edvard Csanyi
Maintenance
Maintenance Of SF6 Gas Circuit Breakers
Sulfur Hexafluoride (SF6) is an excellent gaseous dielectric for high voltage power applications. It has been used extensively in high voltage circuit breakers and other switchgears employed by the power… Read more
Jan 04, 2011 | By Edvard Csanyi
Energy and Power
Do You Understand What Is Electric Shock?
Electric current passing through the body, particularly alternating current at power frequencies of 50 Hz and 60 Hz, may disrupt the nervous system, causing muscular reaction and the painful sensation… Read more
Jan 02, 2011 | By Edvard Csanyi
High Voltage
Basics Of Subtransmission Systems
Subtransmission systems are those circuits that supply distribution substations. Several different subtransmission systems can supply distribution substations. Common subtransmission voltages include 34.5, 69, 115, and 138 kV. Higher voltage subtransmission… Read more
Dec 17, 2010 | By Edvard Csanyi
High Voltage
IEC 62271-200 – HV Switchgear And Controlgear
Part 200: AC metal-enclosed switchgear and controlgear for rated voltages above 1 kV and up to and including 52 kV Switchgears are important nodal points in modern power distribution. Correspondingly… Read more
Dec 09, 2010 | By Edvard Csanyi
News
ePlusMenuCAD 10 RC1 released
Today we released ePlusMenuCAD 10 RC1! Why RC1 (release candidate 1)? Simply because Help is not written yet. It will be added as soon as possible together with releasing of… Read more
Dec 03, 2010 | By Edvard Csanyi
Energy and Power
What is the cost of electricity?
Electrification in the early 20th century dramatically improved productivity and increased the well-being of the industrialized world. No longer a luxury – now a necessity – electricity powers the machinery,… Read more
Nov 02, 2010 | By Edvard Csanyi
Technical Guide/Paper
Relay Selection Guide
Power distribution systems serving industrial or commercial facilities represent a variety of costs to the owner. Obviously, the capital cost of the equipment is a concern, as is the cost… Read more
Oct 13, 2010 | By electrowsky
Technical Guide/Paper
Guide to Harmonics with AC Drives
This guide continues ABB’s technical guide series, describing harmonic distortion, its sources and effects, and also distortion calculation and evaluation. Special attention has been given to the methods for reducing… Read more
Oct 03, 2010 | By electrowsky
