Hello,
Recently, one of 154kV transformer protectio IEDs in our company's HV substation was damaged by lightning surge.
Two DO boards of IED were damaged (Several TNRs(varistor)damaged, some PCB patterns were crushed)
Q1. Do you have any technical standards for low voltage surge protection for...
Hi.
1.Surge arresters in HV substation protect GIS and Transformer, which are very expensive equipment,
from damage caused by lightning strikes.
2.TLSA(Transmissin Line Surge Arrester) protects line insulators from damage by lightning strikes.
3.Protection IEDs are protecting GIS, Transformers...
Hi, I'm searching for any national standards or regulations of safe separation distance between transmission tower (over 154 kV with overhead groundwire)
and nearby buried gas pipeline.
Any comment or input is very appreciated.
Thanks in advance.
