Edvard Csanyi

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

1348 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 fascilities. Professional in AutoCAD programming. Present on Google+

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Network harmonics analysis – Installation with 6-pulse rectifier, capacitors & filters

The diagram in figure 1 represents a simplified network comprising a 2,000 kVA six-pulse rectifier, injecting a harmonic current spectrum, and the following equipment which will be considered consecutively in three… Read more

Apr 21, 2017 | Edvard

Figure 1 - Example of the analysis of a simplified network - Installation with disturbing equipment, capacitors and filters

Rules for dimensioning, disconnecting and protecting the neutral conductor

Dimensioning of neutral conductor Smaller than the cross-sectional area of the phase conductors… Equal to the cross-sectional area of the phase conductors Greater than or equal… Neutral conductor disconnection TN-C… Read more

Apr 19, 2017 | Edvard

Thumb rules for dimensioning neutral conductor cross-sectional area

Thumb rules for surge arrester installation in different earthing systems

A variety of documents deal with the subject of surge arrester installation: for example in France, standard NF C 15-531 focuses on the installation rules of LV surge arresters, and… Read more

Apr 17, 2017 | Edvard

Thumb rules for surge arrester installation in different earthing systems

Circuit breaker selections for low voltage installation (with discrimination)

The LV installation which forms the subject of this study is shown in figure 1 above. This study includes discrimination and coordination of protection between the LV equipment and the… Read more

Apr 14, 2017 | Edvard

Installation example (with 1600 kVA MV/LV transformers) with indication of the order in which discrimination is examined

Six network operating conditions under which ferroresonance can occur

Due to the multitude of various sources of capacitances and non-linear inductances in a real power network and the wide range of operating conditions, configurations under which ferroresonance can occur… Read more

Apr 12, 2017 | Edvard

Six network operating conditions under which ferroresonance can occur

8 essential relay operating principles of catching faults

In general, as faults (short circuits) occur, currents increase in magnitude, and voltages go down. Besides these magnitude changes of the AC quantities, other changes may occur in one or… Read more

Apr 10, 2017 | Edvard

8 most essential relay operating principles in catching faults

Three main techniques for mitigating step and touch potential hazards

Mitigating step and touch potential hazards is usually accomplished through one or more of the following three main techniques. Reduction in the resistance to ground (RTG) of the grounding system… Read more

Apr 07, 2017 | Edvard

How good are you at reading electrical drawings? Take the quiz.

Every electrician, in every branch of electrical work, will need to consult and understand the information presented on electrical drawings to locate the various outlets, the routing of circuits, the… Read more

Apr 05, 2017 | Edvard

How good are you at reading electrical drawings? Take the quiz.

Two main functions of an earth electrode and its installation parameters

The prime function of an earth electrode is the protection of persons. That’s it. It is a fact that we live on Earth! And it is vital to earth exposed… Read more

Apr 03, 2017 | Edvard

What is the prime function of an earth electrode in power system

Wiring of power factor relay on LV and MV side (circuit diagrams)

In order to measure electrical power the relay needs to receive the line voltage and current from a current transformer (CT) installed close to the metering point, if possible. To… Read more

Mar 31, 2017 | Edvard

Wiring of power factor relay on LV and MV side

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