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Category Archive for: «Energy and Power»

Methods Of Mounting LV Circuit Breakers

Three general groups Methods used to mount circuit breakers can be divided into three general groups, those being: Fixed Removable (disconnectable unit), and Drawout (withdrawable) A review of these mounting methods follows. Fixed Mounted… Read more

Aug 08, 2014 | Edvard

Methods Of Mounting LV Circuit Breakers

Cable spacing as a means of noise mitigation

Separation distances 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 for the… Read more

Jul 11, 2014 | Edvard

Cable spacing as a means of noise mitigation

Harmonic Distortion and High Frequency Applications

Distortion of the fundamental sine wave 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… Read more

Jul 07, 2014 | Edvard

How the Weather Affects Conductors

Sag 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 the clothesline. A… Read more

Jul 04, 2014 | Edvard

2 Most Common Contributing Factors in Insulation Failure

Degradation and breakdown The most frequent failure in electrical equipment is the degradation and breakdown (flashover) of the insulation. Electrical insulation can be liquid or solid, organic or inorganic. Organic insulation material consists of: enamels, varnishes, resins,… Read more

Jun 25, 2014 | Edvard

2 most common contributing factors in insulation failure