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Archive: Category «Energy and Power»

Cables

Cable spacing as a means of noise mitigation

In situations where there are a large number of cables varying in voltage and current levels, the IEEE 518-1982 standard has developed a useful set of tables indicating separation distances… Read more

Jul 11, 2014 | By Edvard

Cable spacing as a means of noise mitigation
Energy and Power

Harmonic distortion and high frequency applications

The presence of harmonic frequencies in addition to the fundamental 50Hz, bring about distortion of the fundamental sine wave. Considerable problems may arise dependant upon the level of this distortion…. Read more

Jul 07, 2014 | By Edvard

Harmonic distortion and high frequency applications
Energy and Power

How the Weather Affects Conductors

Notice how a conductor is strung between poles. It is not pulled tight; it sags. In hot weather it sags even more than in cold weather. Consider the analogy of… Read more

Jul 04, 2014 | By Edvard

Energy and Power

Generating Electricity with Combustion Turbines

There are two basic types of combustion turbines (CTs) other than the microturbines: The heavy frame industrial turbines and The aeroderivative turbines. The heavy frame systems are derived from similar… Read more

May 28, 2014 | By Edvard

Energy and Power

Arriving at the scene of a pole fire. What to do?

Utility pole fires are common and should be treated with great respect by firefighters. Pole fires are normally caused by the failure of insulators, switches, catastrophic failure of transformers or… Read more

May 21, 2014 | By Edvard

Energy and Power

8 steps to begin basic circuit design

What do we need to know? Clearly, plunging into calculations of cable size is of little value unless the type of cable and its method of installation is known. This,… Read more

Apr 11, 2014 | By Edvard

8 steps to begin basic circuit design


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