Abstract
The extreme weather we have been experiencing over the past half-decade seems becoming the new norm. Now without arguing about global warming and who is to blame, the fact of the matter is that most switchgear designers and experts agree that the environment has changed and is rapidly changing. Medium-voltage switchgear installed at industrial or commercial facilities could be exposed to these extreme environmental conditions. Switchgear components are made of varieties of materials and protective coatings according to operating area and service conditions. These switchgear components are subjected to deteriorating corrosion and ageing processes while effects of the high voltage to electrical insulation is mastered by appropriate classification of the switchgear according to the IEC/TS 62271-304 specification. The rate of which strongly depends on the presence of various gases, vapours, and particles and combinations thereof in the surrounding air. This study provides details on how to deal with unusual and extreme environmental conditions by carrying out some special tests that makes them reliable, fail-safe and trouble free operation throughout expected service life in addition to minimum maintenance requirement with less downtime.
Published Version
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