Edvard Csanyi
1644 awesome technical articles

Electrical engineer, programmer and founder of EEP. Highly specialized for design of LV/MV switchgears and LV high power busbar trunking (<6300A) in power substations, commercial buildings and industry facilities. Professional in AutoCAD programming.
Ceramic (Porcelain and Glass) Insulators
Porcelain is the most frequently used material for insulators. Insulators are made of wet, processed porcelain. The fundamental materials used are a mixture of feldspar (35%), china clay (28%), flint… Read more
Jan 27, 2012 | By Edvard

Glossary of Medium Voltage Switchgear Terms
This glossary was published originally by Schneider Electric and it is intended to cover the meaning of many common words and phrases used in association with medium voltage switchgear. Many… Read more
Jan 25, 2012 | By Edvard

EHV/HV Underground Cable Sheath Earthing (part 2/2)
Continued from previous part: EHV/HV Cable Sheath Earthing (part 1/2) Link Box is electrically and mechanically one of the integral accessories of HV underground above ground cable bonding system, associated… Read more
Jan 21, 2012 | By Edvard

UK Electrical Industry British Standards (BS)
These standards are the whole of the prescriptions on the basis of which machines, apparatus, materials and the installations should be designed, manufactured and tested so that efficiency and function… Read more
Jan 20, 2012 | By Edvard

Segregated Phase Bus System
In this construction all the phases are housed in one metallic enclosure as earlier, but with a metallic barrier between each phase, as illustrated in Figure 1. The metallic barriers provide the required… Read more
Jan 18, 2012 | By Edvard

How lightning really works? (video)
A lightning discharge develops in three stages: first, the collisions between ice particles and water droplets together with gravity separate positive and negative charges inside the thunder cloud and buildup… Read more
Jan 17, 2012 | By Edvard

Luminous Measurement Graphic Representation
The collection of luminous intensity emitted by a source of light in all directions is known asluminous distribution. The sources of light used in practice have a more or less… Read more
Jan 16, 2012 | By Edvard

Synchronous Motor Construction
Synchronous motors convert electrical power to mechanical power and synchronous generators convert mechanical power to electrical power; and synchronous condensers supply only reactive power to stabilize system voltages. Synchronous motors, generators, and… Read more
Jan 14, 2012 | By Edvard

What Is The Potential Difference?
Potential difference is the term used to describe how large the electrostatic force is between two charged objects. If a charged body is placed between two objects with a potential difference, the charged body will try to… Read more
Jan 13, 2012 | By Edvard

Effective Resistance Of Busbars
The construction of busbar is usually carried out by putting together several flat bars in parallel for each phase. The spacing between the bars is made equal to their thickness for practical reasons, and… Read more
Jan 12, 2012 | By Edvard

Potential Energy Savings In Utility Buildings Using EIB
Flexibility, utilisation value and energy saving are the three main requirements for utility buildings (administration, office and public buildings, schools, hospitals, etc.). Apart from recouping investment costs, so-called life-cycle costs… Read more
Jan 11, 2012 | By Edvard

Operation Of Potentially Explosive Installations – The Directive 99/92/EC
In addition to the 94/9/EC Directive, which regulates how explosion protected equipment and protective systems are placed on the market and the design, construction and quality requirements to be met by them, the… Read more
Jan 09, 2012 | By Edvard

12 Main Classes Of Power Transformer
Transformers are used for a wide variety of purposes, with the complete range of voltage and power ratings as well as many special features for particular applications. The following covers… Read more
Jan 08, 2012 | By Edvard

How to select AC converter for VSD?
Altough manufacturers’ catalogues try to make it easy as possible, there are many variables associated with the selection and rating of the optimum electric motor and AC converter for a… Read more
Jan 06, 2012 | By Edvard

Voltage and Current Phase Relationships in an Inductive Circuit
Any change in current in a coil (either a rise or a fall) causes a corresponding change of the magnetic flux around the coil. Because the current changes at its… Read more
Jan 05, 2012 | By Edvard
