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Project for installation up to 4000m above sea level

Project for installation up to 4000m above sea level

Project for installation up to 4000m above sea level

(OP)
Hello to everybady

I've a project regarding instalation of switcgears in high altitudse up to 4000m.

The instalation is regarding a switcgear box for controlling a diesel generator 500kW 3x400V at 50Hz, with have two sections, one section for main current and one section for controlling of machinery. The first section have busbars, main circuit breaker and power measuring printed board and the second have contactors, overload - short circuit protection, computer, UPS, scada device and terminals. The switcgear is designed according to EN 60439-1.

I'm not familiar of the new demands and I'd like have assistance about it.

So I'm interesting primary for IEC standards (also IEEE/ANSI are interresting), recommentations or reveland info, to enable me start up and manage in the right way the project.

Thank you very muh  

RE: Project for installation up to 4000m above sea level

I was involved in almost identical project located at 4500m above the sea level in former Soviet Union except diesel generator voltage was stepped up to 6kV. Diesel engines needed to be derated and adequately designed for that sort of thin air, what you need to verify with the manufacturer. Also at that altitude, dielectric strength tends to be lower, so derating applies for anything having air insulation, while low, medium and high voltage equipment with vacuum, oil or gas insulation don't seem to be affected.

This might help:

http://www.neiengineering.com/pdfs/paper5JN.pdf
 

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