Edvard Csanyi
1671 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.
Energy and Power
10 Common Causes Of Arc-Flash and Other Electrical Accidents
The most common cause of Arc Flash and other electrical accidents is carelessness. No matter how well a person may be trained, distractions, weariness, pressure to restore power, or overconfidence… Read more
Aug 10, 2015 | By Edvard Csanyi
Energy and Power
What parallel redundancy does to the power distribution system?
Redundancy is a useful method of increasing reliability and optimising the balance between operation effectiveness and expenditure. In the context of reliability, redundancy signifies that a system will continue to… Read more
Aug 07, 2015 | By Edvard Csanyi
Metering
Resistance measurement of non-conductive walls and floors
There are certain situations where it is desirable for a room to be totally isolated from the Protective Earth conductor (e.g. for conducting special tests in a laboratory etc.). These rooms… Read more
Aug 05, 2015 | By Edvard Csanyi
Energy Efficiency
7 key steps in lighting design process
To achieve the best overall outcome in a lighting installation, it is important to avoid the tendency of rushing straight into luminaire selection before determining more broadly what is required… Read more
Aug 03, 2015 | By Edvard Csanyi
Electrical Lectures
Practical Considerations of Transformer Heat and Noise
In addition to unwanted electrical effects, transformers may also exhibit undesirable physical effects, the most notable being the production of heat and noise. Transformer noise is primarily a nuisance effect,… Read more
Jul 31, 2015 | By Edvard Csanyi
Energy Efficiency
7 energy-efficiency improvement opportunities in lighting system
There are a lot of opportunities to optimise lighting system in (almost) any industrial facility. Seven practical energy-efficiency opportunities to reduce energy use cost-effectively are given below: Lighting controls Replace T-12 tubes… Read more
Jul 29, 2015 | By Edvard Csanyi
Energy and Power
13 Basic expressions often used in electrical testing
This is the simple list of basic terms you can often hear when testing and measurements of electrical installation (in general) is being performed. While experienced electrical engineers will find… Read more
Jul 27, 2015 | By Edvard Csanyi
Energy Efficiency
Eleven energy-efficiency improvement opportunities in compressed air systems
Instrumentation consumes large amounts of compressed air at many individual locations in a textile plant, but these uses are susceptible to leakage. Most such leaks are at threaded connection points,… Read more
Jul 24, 2015 | By Edvard Csanyi
Electrical Lectures
Essential Basics of Total Harmonic Distortion (THD)
For a signal y, the total harmonic distortion (THD) is defined by the equation: This definition complies with that of standard IEC 61000-2-2. Note that the resulting value may exceed… Read more
Jul 22, 2015 | By Edvard Csanyi
Energy and Power
Two Circuit-Breaker Types For Automatic Disconnection Of the Supply
The Standard IEC 60364 prescribes automatic disconnection of the supply for protection against indirect contact. The protective device shall automatically disconnect the supply so that, in the event of a… Read more
Jul 20, 2015 | By Edvard Csanyi
Electric Motor
Comparision of Direct-on-line (DOL) and Star-delta Motor Starting
Direct-on-line (DOL) starting Advantages Drawbacks Star-delta starting Advantages Drawbacks Comparision of DOL and Star-delta starting As the name suggests, direct-on-line starting means that the motor is started by connecting it… Read more
Jul 17, 2015 | By Edvard Csanyi
Electrical Lectures
What can a PLC do? Why do we use them?
“PLC” means “Programmable Logic Controller”, that’s clear. The word “Programmable” differentiates it from the conventional hard-wired relay logic. It can be easily programmed or changed as per the application’s requirement…. Read more
Jul 15, 2015 | By Edvard Csanyi
Cables
Differences in size and weight of equipment using copper and aluminium conductors
It is a common misconception that electrical equipment built using aluminum conductors will always be larger than the same equipment using copper conductors. While the actual conductor within the equipment… Read more
Jul 13, 2015 | By Edvard Csanyi
Energy and Power
MV Metal-Enclosed Switchgear and Loss of Service Continuity (LSC) Categories
Some parts of a switchgear may be made accessible for the user, for various reasons from operation to maintenance, and such an access could impair the overall operation of the… Read more
Jul 10, 2015 | By Edvard Csanyi
Energy Efficiency
Maintenance of electrical equipment in buildings
Apart from safety, maintenance is needed to keep plant in an acceptable condition. Maintenance of this kind must be reviewed on an economic and energy efficiency basis. While it is… Read more
Jul 08, 2015 | By Edvard Csanyi
