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Monthly Archive for: «October, 2013»

Natural Ventilation Of Power Substation

The operation of a system of natural ventilation is as a result of a decrease in air density as its temperature is raised due to the heat gain from various sources. Because… Read more

Oct 18, 2013 | Edvard

Natural Ventilation Of Power Substation

General Arrangement of Hydropower Powerhouse

In general, a powerhouse in hydropower plant may be divided into three areas: The main powerhouse structure, housing the generating units and having either separate or combined generator and turbine room, Erection… Read more

Oct 16, 2013 | Edvard

General Arrangement of Hydropower Powerhouse

An Overview Of Grounding System (Grounded)

Continued from technical article: An Overview Of Grounding System (Ungrounded) Solidly grounded system Resistance grounded system Reason for resistance grounding System earthing at EHV level Let us assume that R phase (Phase-3… Read more

Oct 14, 2013 | Asif Eqbal

An Overview Of Grounded Grounding System

An Overview Of Grounding System (Ungrounded)

Ungrounded system Derivation of current expression in ungrounded system Advantages & disadvantages of ungrounded system Concept of effective and non-effective grounding Coefficient of earthing and earth fault factor Before 1950 power system… Read more

Oct 11, 2013 | Asif Eqbal

An Overview Of Grounding System (Ungrounded)

4 General Safety Practices To Remember ALWAYS!

In addition to the safety precautions (access to HV enclosures and work on HV electrical equipment) the following general safety practices should be ALWAYS observed for work on electrical equipment: The scope… Read more

Oct 09, 2013 | Edvard

4 General Safety Practices To Remember ALWAYS When Working On Electrical Equipment
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