Author Archive for: Edvard Csanyi

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Edvard Csanyi

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

1209 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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Recommended maintenance practice for electric motors and generators

Maintenance practice recommendations for electric motors and generators: Induction motors Synchronous machines Notes Motors are inherently highly reliable, requiring little routine maintenance. This remains true for most duties but may… Read more

May 25, 2017 | Electric Motor

Recommended maintenance practice for electric motors and generators

Selecting the suitable frequency converter and motor for these 3 applications

The motor is selected according to the basic information about the process. Speed range, torque curves, ventilation method and motor loadability give guidelines for motor selection. Often it is worth… Read more

May 24, 2017 | Electric Motor

Selecting the suitable frequency converter and motor for these 3 applications

4 medium voltage switching equipment for primary substation installations

This technical article covers the medium voltage switching equipment intended mainly for primary substation installations. The target is to give some basic knowledge and difference between 4 main piece of… Read more

May 22, 2017 | Medium Voltage

4 medium voltage switching equipment for primary substation installations

Troubleshooting of a telemetry system (from RTU to the SCADA computer facilities)

This technical article reviews certain methodologies that may be followed for effective troubleshooting of a telemetry system from the digital or analog field input/output at the RTU to the computer… Read more

May 19, 2017 | Energy and Power

Troubleshooting of a telemetry system (RTU to the SCADA computer facilities)

How to calculate number of steps & reactive power of the capacitor banks

Depending on the size of a compensation unit, it is assembled with capacitors of equal size (in bigger units) or of different size. A unit with a total reactive power… Read more

May 17, 2017 | Electrical Lectures

How to calculate number of steps & reactive power of the capacitor banks

Auto-reclose schemes for re-energising the line after a fault trip

Faults on overhead lines fall into one of three categories: transient, semi-permanent and permanent. 80-90% of faults on any overhead line network are transient in nature. The remaining 10%-20% of… Read more

May 15, 2017 | Protection

Auto-reclose schemes in HV systems for re-energise the line after a fault trip

Current sensors as the eyes of RCD and tips for their correct installation

All residual current devices are made up of at least two components. First component act as the eyes of RCD – sensors – must be able to supply an electrical signal… Read more

May 12, 2017 | Energy and Power

Current sensors as the eyes of RCD and tips for their correct installation

How to recognize harmonics symptoms – What to look for and where to look?

Finding harmonics problem is relatively easy once you know what to look for and where to look. Harmonics symptoms are usually anything but subtle. This technical article provides some basic… Read more

May 10, 2017 | Energy and Power

How to recognize harmonics symptoms - What to look for and where to look?

Sizing calculations for 20/3.3 kV, 12.5 MVA transformer feeder cable

Typical calculations for a 20kV transformer feeder cable are presented below. After correct cable voltage classification the following considerations apply: Current carrying capacity Short circuit rating Voltage drop Earth loop… Read more

May 08, 2017 | Cables

Cable sizing for 20/3.3 kV, 12.5 MVA transformer feeder

Dangerous magnetic field exposure near transformer substation in the building

Transformer substations located close to the living areas could induce high long-term exposures to extremely low frequency magnetic fields of nearby inhabitants. Some of the researches have shown increased risk… Read more

May 05, 2017 | Power Substation

Dangerous magnetic field exposure near transformer substation in the building

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Author Archive for: Edvard Csanyi

Edvard Csanyi

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