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Author Archive for: Edvard Csanyi

Edvard Csanyi

1669 awesome technical articles

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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.

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

Biomass Energy

Typical applications of biomass

During Second World War the gasifiers were mainly employed for transportation purposes. However, in recent years the gasifiers have been employed mainly for stationary applications. For generating electricity, the producer… Read more

Jun 26, 2011 | By Edvard Csanyi

Typical applications of biomass
Lighting

Technical analysis of LED light

A Light Emitting Diode (LED) is a semiconductor device which converts electricity into light. Each diode is about 1/4 inch in diameter and uses about ten milliamps to operate at… Read more

Jun 24, 2011 | By Edvard Csanyi

Technical analysis of LED light
Transformers

Buchholz relay on oil transformer with conservator

The Buchholz relay has two oil-filled chambers with floats and relays arranged vertically one over the other. If high eddy currents, local overheating, or partial discharges occur within the tank,… Read more

Jun 20, 2011 | By Edvard Csanyi

Buchholz relay
Wind Power

What about the world’s wind resources?

When evaluating different methods of power generation some of the main questions inevitably concern the fuel proposed. Is there enough of it? Is it in the right places? It is… Read more

Jun 18, 2011 | By Edvard Csanyi

Causeymire Wind Farm
High Voltage

HIS – Highly Integrated Switchgear, Type 8DQ1

No more losing sleep over space restrictions: HIS, the gas-insulated switchgear for indoor and outdoor use requires less than half the space of comparable air-insulated switchgear. The 8DQ1-type HIS is… Read more

Jun 17, 2011 | By Edvard Csanyi

HIS - Highly Integrated Switchgear, Type 8DQ1
Energy and Power

Thumbs down to the nuclear energy

Although for decades the arguments against nuclear power have been –and still are- strong and valid, there is an increasing group of nuclear companies supported by scientists and politicians, who… Read more

Jun 15, 2011 | By Edvard Csanyi

Thumbs down to the nuclear energy
Energy Efficiency

How to achieve energy-efficient lighting?

Technological development has focused primarily on such things as the fluorescent lamp and the ballast and has chiefly been geared to boosting their luminous efficacy. The chart “Milestones to energy… Read more

Jun 13, 2011 | By Edvard Csanyi

How to achieve energy efficent lighting?
Low Voltage

How residual current device (RCD) works?

The residual current device (rcd) is used to detect earth fault currents and to interrupt supply if an earth current flows. The main application is to prevent electrocution but RCDs… Read more

Jun 11, 2011 | By Edvard Csanyi

Figure 1 - Residual current device components
HVAC

How heat pump works?

The heat pump transfers the heat between the heating/cooling distribution system and the earth connection. It is the basic building block of the GSHP system. The most common type of… Read more

Jun 10, 2011 | By Edvard Csanyi

The Refrigeration Cycle (Heating Mode) of a Typical Packaged Heat Pump Unit.
Renewable Energy

Stand-Alone PV Systems

Stand-alone PV (photovoltaic) systems are used when it is impractical to connect to the utility grid. Common standalone systems include PV-powered fans, water pumping systems, portable highway signs, and power… Read more

Jun 08, 2011 | By Edvard Csanyi

3000W Off-grid polar power system
Medium Voltage

ABB – AIS UniGear ZS1 design features

UniGear ZS1 is medium voltage switchgear with a metal enclosure, suitable for indoor installations. Metal partitions segregate the compartments from each other and the live parts are air-insulated. Since the… Read more

Jun 06, 2011 | By Edvard Csanyi

ABB - AIS (air insulated switchgear) UNIGEAR ZS1
High Voltage

Construction and service life of GIS

GIS is assembled of standard equipment modules (circuit breaker, current transformers, voltage transformers, disconnect and ground switches, interconnecting bus, surge arresters, and connections to the rest of the electric power… Read more

Jun 04, 2011 | By Edvard Csanyi

Figure 2.1 Single-phase enclosure GIS
Energy and Power

How contactor controls an electric motor?

When a relay is used to switch a large amount of electrical power through its contacts, it is designated by a special name: contactor. Contactors typically have multiple contacts, and… Read more

Jun 01, 2011 | By Edvard Csanyi

Control of electric motor with contactor


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