Edvard Csanyi

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

1367 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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4 important factors related to proper application of a LV circuit breaker

Consideration of all the factors related to proper application of a low-voltage circuit breaker goes beyond voltage, current, and interrupting rating. The performance of a specific type of circuit breaker… Read more

Oct 15, 2018 | Edvard

4 important factors related to proper application of a LV circuit breaker

The essentials of LV/MV/HV substation bus overcurrent and differential protection

The substation bus and switchgear are the parts of the power system used to direct the flow of power to various feeders and to isolate apparatus and circuits from the… Read more

Oct 10, 2018 | Edvard

The essentials of LV/MV/HV substation bus overcurrent and differential protection

Standard tripping schemes and trip circuit supervision schemes for MV switchgear

Medium voltage switchgears are used for switching medium voltage loads through associated control, measuring, protective and regulating equipment. This operation also involves considerable manual intervention which therefore necessitates the fulfilment… Read more

Oct 08, 2018 | Edvard

Standard tripping schemes and trip circuit supervision schemes for MV switchgear

7 essential functions of a digital substation automation system (SAS)

As you already know, every power substation consists of a group of HV devices whose individual sizes depend on substation operation voltages, which is called the primary equipment, as well…...

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Oct 05, 2018 | Edvard

7 essential functions of a digital substation automation system (SAS)

Short circuit phenomenon you should understand

A short circuit in an electrical circuit is a part of the circuit that for some reasons has become “shorter” than it should be. The current in an electrical circuit… Read more

Oct 03, 2018 | Edvard

Short circuit phenomenon you should understand

Coordination analysis for a typical 13 kV distribution feeder of several lines

A typical 13 kV feeder of several lines at a distribution substation is shown in Figure 1. This is supplied from a 115 kV line through a 15/20/25 MVA transformer… Read more

Oct 01, 2018 | Edvard

Coordination for a typical 13 kV distribution feeder of several lines at a substation

MV/LV transformer protection against temperature rise, overloads, short-circuit & overvoltages

When selecting the type of transformer correctly electrical engineer needs to know its different electrical and thermal properties and the resistance to stresses due to faults or normal service of… Read more

Sep 26, 2018 | Edvard

MV/LV transformer protection against temperature rise, overloads, short-circuit & overvoltages

Busbar protection schemes for distribution substations

Busbars play an important role in power transmission and distribution. They are employed as a central distribution point for all feeders. In the case of a fault, current on the… Read more

Sep 24, 2018 | Edvard

Busbar protection in power transmission and distribution substations

How to know if you set the correct current on a motor thermal overload relay

The full-load current at a given voltage indicated on the nameplate is normative for setting the overload relay. Because of the variable voltages around the world, motors for pumps are… Read more

Sep 19, 2018 | Edvard

How do you know which current to set on a motor overload relay

Secondary equipment you should always consider when retrofitting existing HV substation

This approach assumes retrofitting and upgrading old substation secondary equipment such as intelligent electronic devices (IEDs), monitoring sensors, power apparatus, communication protocol and operating standards to improve the overall performance… Read more

Sep 17, 2018 | Edvard

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