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Author: Edvard Csanyi (Technical Articles)

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Edvard Csanyi

1758 awesome technical articles

Edvard Csanyi - Author at EEP-Electrical Engineering Portal

Hi, I'm an electrical engineer, programmer and founder of EEP - Electrical Engineering Portal. I worked twelve years at Schneider Electric in the position of technical support for low- and medium-voltage projects and the design of busbar trunking systems.

I'm highly specialized in the design of LV/MV switchgear and low-voltage, high-power busbar trunking (<6300A) in substations, commercial buildings and industry facilities. I'm also a professional in AutoCAD programming.

Biography: https://electrical-engineering-portal.com/edvard-csanyi

Energy and Power

Definitions from the Standard UL 489 (MCCB)

The requirements of this standard cover molded-case circuit breakers (MCCB), circuit breaker and ground-fault circuit-interrupters, fused circuit breakers, and accessory high-fault protectors. These circuit breakers are specifically intended to provide service entrance, feeder, and branch circuit protection in accordance with… Read more

Jul 12, 2012 | By

Definitions from the Standard UL 489 (MCCB)
Energy and Power

The Role of Circuit Breakers in LV/MV Power Systems

A circuit breaker is protective device which is designed to automatically open an electrical circuit thus preventing harm and damages to equipment and personnel. The damages are due to over load, short circuits and sometimes earth faults. Circuit breakers are made… Read more

Jul 09, 2012 | By

ABB Emax moulded case circuit breaker (MCCB)
Electrical Lectures

Fundamental Concepts of Insulation Testing

Probably 80% of all testing performed in electrical power systems is related to the verification of insulation quality. This technical article briefly describes the fundamental concepts of insulation testing including – insulation behavior, types of tests, and some test procedures…. Read more

Jul 07, 2012 | By

Fundamental concepts of insulation testing
Power Substation

Typical noise levels in power substation

Equipment noise levels may be obtained from manufacturers, equipment tendering documents, or test results. The noise level of a substation power transformer is a function of the MVA and BIL rating of the high voltage winding. These transformers typically generate… Read more

Jul 05, 2012 | By

Typical noise levels in power substation
Low Voltage

Assemblies of switchgear and control panels (3)

Continued from 2nd part of article: Assemblies of switchgear and control panels (part 2) Now coverage of distribution panels and switchboards will be presented including molded case circuit breakers (MCCB), safety switches, panelboards, multimetering equipment, ground fault circuit interrupters. Most of the… Read more

Jun 30, 2012 | By

Assemblies of switchgear and control panels (3)
Low Voltage

Assemblies of switchgear and control panels (2)

Continued from 1st part of article: Assemblies of switchgear and control panels (part 1) Other components that are needed for the proper operation of the switchgear or control panel but not necessarily part of the installation or maybe installed remotely are: The batteries… Read more

Jun 29, 2012 | By

Assemblies of switchgear and control panels (2)
Low Voltage

Assemblies of switchgear and control panels

Switchgear and control panels are found in power generating stations, transformer stations, distribution substations, commercial and institutional buildings, industrial plants and factories, refineries, paper mills, metal smelters and any other place where electric energy is utilized or electric power is… Read more

Jun 28, 2012 | By

Assemblies of switchgear and control panels
Energy and Power

Substation Switching Schemes

This technical article is intended to provide description and comparison of single line options for a DESN substation. The goal is to provide an analytical comparison for all options so that one can select the optimum solution considering cost, reliability,… Read more

Jun 26, 2012 | By

Switching Scheme Of Substation
Energy and Power

Commissioning of Electrical Equipment

To verify system condition after has been energized with rated system (service) voltage for which it is designed. Also to ensure the protection, metering system for correct directionality. Multimeter Phase angle meter Phase sequence meter Communication software (if required) Before… Read more

Jun 25, 2012 | By

Commissioning of Electrical Equipment (on photo OKKEN Low Voltage Switchgear - Schneider Electric)
Electrical Lectures

DC Motor Drive Explained In Few Words

In a DC motor, the magnetic field is created by the current through the field winding in the stator. This field is always at right angles to the field created by the armature winding. This condition, known as field orientation,… Read more

Jun 23, 2012 | By

Figure 1 - Control loop of a DC Motor Drive
Transformers

Transformer Extra Losses Due To Harmonics

Non-linear loads, such as power electronic devices, such as variable speed drives on motor systems, computers, UPS systems, TV sets and compact fluorescent lamps, cause harmonic currents on the network. Harmonic voltages are generated in the impedance of the network… Read more

Jun 22, 2012 | By

Transformer Extra Losses Due To Harmonics


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