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Technical Articles

Lighting

What is the vertical illuminance?

Vertical illuminance is a component of lighting design that is vitally important to architecture. Its primary purpose is to make spatial proportions and spatial limits visible. The opposite is the… Read more

Feb 11, 2011 | By Edvard Csanyi

Vertical Illuminance - Introduction
Solar Power

Photovoltaic Module Interconnections

Copper conductors are recommended for almost all photovoltaic system wiring. Copper conductors have lower voltage drops and better resistance to corrosion than other types of comparably sized conductor materials. Aluminum… Read more

Feb 10, 2011 | By Edvard Csanyi

Photovoltaic Module Interconnections
Energy and Power

Electrical Engineering Job – How to Find It?

Finding a job is not always as easy as expected. This article will list a few places to look for jobs in the field of electrical engineering. Contact electrical engineering… Read more

Feb 09, 2011 | By Edvard Csanyi

Electrical Engineering Job – How to Find It?
Energy and Power

AC Vs. DC

What’s this thing about AC anyway? A little history lesson might be in order. It all started when Edison built the first incandescent bulb and the power station to light… Read more

Feb 08, 2011 | By Edvard Csanyi

AC vs. DC
Power Substation

Risk and Consequences Of Transformer Fire

The risk of a catastrophic fire with a properly inspected, tested, and maintained transformer is small. Proper maintenance and thorough testing of the transformer will prevent or detect many events… Read more

Feb 07, 2011 | By Edvard Csanyi

Risk and Consequences Of Transformer Fire
Energy and Power

Electrically Held Contactors – Siemens

Most lighting and heating applications require a contactor to control the loads. One type of contactor is an electrically held contactor, which is similar to a magnetic starter. Unlike a… Read more

Feb 05, 2011 | By Edvard Csanyi

Electrically Held Contactors - Siemens type CLM
Low Voltage

Form of separation 2 – Requirements

Form 2 defines overall assemblies which are enclosed to provide protection against contact with any internal live parts or components, and where there is internal separation of the busbars from… Read more

Feb 04, 2011 | By Edvard Csanyi

Form of separation 2 - Requirements
Cables

Electrical Wire – How It’s Made

Wikipedia: Electrical wiring in general refers to insulated conductors used to carry electricity, and associated devices. This article describes general aspects of electrical wiring as used to provide power in… Read more

Feb 03, 2011 | By Edvard Csanyi

Low Voltage

The Switchboard Design Requirements

The following rules of design have to be implement in the aim to facilitate the assembly and especially the maintenance of the installation. The switchboard must be designed the way… Read more

Feb 01, 2011 | By Edvard Csanyi

Low voltage switchboard - Design requirements
Transformers

How To Connect Current Transformers?

The primary of a current transformer typically has only one turn. This is not really a turn or wrap around the core but just a conductor or bus going through… Read more

Jan 29, 2011 | By Edvard Csanyi

How To Connect Current Transformers?
Energy and Power

How To Reduce Energy Cost?

The main motivation for decision makers to take an interest in energy control solutions is economic efficiency. When deciding whether to invest in improvement work, the manager of a building,… Read more

Jan 28, 2011 | By Edvard Csanyi

How To Reduce Energy Cost?
Low Voltage

Form of separation 1 – Requirements

In general, the price of an Assembly will increase with increased levels of separation and/or types of construction. Choosing the arrangement with the most internal barriers will not always lead… Read more

Jan 27, 2011 | By Edvard Csanyi

Form of separation 1 - Requirements


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