Edvard Csanyi
1669 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.
Offshore Wind
As on land, offshore wind developers have to ensure that their turbines and transmission infrastructure do not interfere with marine life and ecosystems. National regulations ensure that project developers assess… Read more
Mar 14, 2011 | By Edvard Csanyi
How to choose transformer rating?
When an installation is to be supplied directly from a MV/LV transformer and the maximum apparent-power loading of the installation has been determined, a suitable rating for the transformer can… Read more
Mar 12, 2011 | By Edvard Csanyi
Tesla’s death, New York Times 1943
Tesla died alone in the hotel New Yorker of heart failure, some time between the evening of January 5 and the morning of January 8, 1943. Despite selling his AC… Read more
Mar 11, 2011 | By Edvard Csanyi
How circuit breaker trip unit works?
In addition to providing a means to open and close its contacts manually, a circuit breaker must automatically open its contacts when an overcurrent condition is sensed. The trip unit… Read more
Mar 10, 2011 | By Edvard Csanyi
Calculating lightning strike distance
Return stroke current magnitude and strike distance (length of the last stepped leader) are interrelated. A number of equations have been proposed for determining the striking distance. The principal ones… Read more
Mar 09, 2011 | By Edvard Csanyi
D’Arsonval Meter Movement
The most commonly used sensing mechanism used in DC ammeters, voltmeters, and ohm meters is a current-sensing device called a D’Arsonval meter movement (Figure 1). The D’Arsonval movement is a… Read more
Mar 08, 2011 | By Edvard Csanyi
What happens when the wind doesn’t blow?
One of the questions most often asked about wind power is ‘what happens when the wind doesn’t blow’. In the big picture wind is a vast untapped resource capable of… Read more
Mar 07, 2011 | By Edvard Csanyi
Early years of Nikola Tesla
Nikola Tesla was born “at the stroke of midnight” with lightning striking during a summer storm. He was born in Croatia in the Austro-Hungarian Empire. The midwife commented, “He’ll be… Read more
Mar 05, 2011 | By Edvard Csanyi
Economics of GIS
The equipment cost of GIS is naturally higher than that of AIS due to the grounded metal enclosure, the provision of an LCC, and the high degree of factory assembly…. Read more
Mar 04, 2011 | By Edvard Csanyi
District heating – Heat from a central boiler plant
District heating is a system which provides a number of buildings with heat from a central boiler plant through pre-insulated pipes. Pre-insulated pipes are in fact a modern kind of… Read more
Mar 03, 2011 | By Edvard Csanyi
History of the development of busbar protection
Up to the mid 1930’s, no widescale efforts had been made to protect busbars on a unit basis. Also there was reluctance in arranging one protective equipment to cause simultaneous… Read more
Mar 02, 2011 | By Edvard Csanyi
How to improve the power quality with harmonic filters
In electrical plants the loads draw from the network electric power (active) as power supply source (e.g. personal computers, printers, diagnostic equipment, etc.) or convert it into another form of… Read more
Mar 01, 2011 | By Edvard Csanyi
What Do You Need To Know When Connecting Solar Electric System to the Utility Grid
In the past, most homes with solar electric systems were not connected to the local utility grid. It made sense to install solar electric systems in areas without easy assess… Read more
Feb 28, 2011 | By Edvard Csanyi
Transformer Winding Temperature Thermometer
These devices are supposed to indicate hottest spot in the winding based on the manufacturers heat run tests. At best, this device is only accurate at top nameplate rated load… Read more
Feb 25, 2011 | By Edvard Csanyi
How To Use A Digital Multimeter
A digital multimeter is used to make various electrical measurements, such as AC and DC voltage, AC and DC current, and resistance. It is called a multimeter because it combines… Read more
Feb 23, 2011 | By Edvard Csanyi