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Author Archive for: Edvard Csanyi

Edvard Csanyi

1669 awesome technical articles

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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.

Website: https://electrical-engineering-portal.com

Wind Power

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

Offshore Wind
Transformers

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

Energy and Power

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

Tesla's death, New York Times 1943
Energy and Power

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

How circuit breaker trip unit works?
Energy and Power

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

Calculating lightning strike distance
Metering

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

Figure 1 - D’Arsonval Meter Movement
Wind Power

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

What happens when the wind doesn’t blow?
Energy and Power

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

Nikola Tesla - Early Years
High Voltage

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

SF6 Gas Insulated Substations (GIS) - Mitsubishi Electric
Transformers

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

Transformer Winding Temperature Thermometer
Metering

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

How to use digital multimeter


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