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Author Archive for: Edvard Csanyi

Edvard Csanyi

1656 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.


High Voltage

Hey Mom, look at that big HVDC Transformer!

HVDC transformers are key components of HVDC stations. HVDC converter and inverter stations terminate long-distance DC transmission lines or DC sea cables. This type of transformer provides the interface between… Read more

Mar 19, 2014 | By Edvard Csanyi

Hey Mom, look at that big HVDC Transformer!
Power Substation

How To Locate Current Transformers in HV Substation

Current transformers are used for protection, instrumentation, metering and control. It is only the first function that has any bearing on the location of the current transformer. Ideally the current transformers… Read more

Mar 14, 2014 | By Edvard Csanyi

Siemens High Voltage Instrument Transformers
Electric Motor

Motor Starting via Chokes or Resistors

The series-connected chokes (Figure 1) or resistors (Figure 2) reduce the voltage at the motor and hence also the starting current. The starting torque is reduced by around the square… Read more

Mar 07, 2014 | By Edvard Csanyi

Motor Starting via Chokes or Resistors
Testing and Commissioning

Testing Procedures for HV Voltage Transformers

Equipment required for testing General inspection Insulation Resistance Test Polarity Test Transformer Turns ratio test Following equipment is necessary to perform testings: Polarity test kit Megger 500-5000V Ohmmeter Multimeter Autotransformers… Read more

Feb 28, 2014 | By Edvard Csanyi

Testing Procedures for HV Voltage Transformers (photo credit:
Energy and Power

Purposes and Examples of Safety Interlocking Devices

Most switchboards and motor control centres are fitted with a variety of electrical and mechanical safety interlocking devices. Their purposes are to protect against for example: Withdrawing the switching device while… Read more

Feb 05, 2014 | By Edvard Csanyi

Purposes and Examples of Safety Interlocking Devices
Energy and Power

Conceptual Model of Smart Grid Framework by IEC

From a communication point of view, each system plays the role of either supplier or consumer of information, or more typically both. In addition to this intersystem communication, these systems… Read more

Feb 03, 2014 | By Edvard Csanyi

Conceptual model of smart grid framework
Power Substation

6 Simple Rules to Ensure Substation Safety

Another extremely important substation engineering aspect is associated with safety protection. It is fair to say that safety is always a No. 1 priority in substation design, operation and maintenance…. Read more

Jan 27, 2014 | By Edvard Csanyi

6 Simple Rules to Ensure Substation Safety

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