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SVLs for 33 kV Cables

thread238-502091

SVLs for 33 kV Cables

SVLs for 33 kV Cables

(OP)
I wonder if any SVLs are required for single bonded 33 kV cables? I normally see them on 66 kV and above

RE: SVLs for 33 kV Cables

Yes, if the cables are long enough for the induced voltage at the unearthed end of the armour exceeds 2kV during an external single phase to ground fault.

RE: SVLs for 33 kV Cables

It is possible that Surge Voltage Limiters (SVLs) may not be required for single bonded 33 kV cables, as they are commonly used for higher voltage levels such as 66 kV and above. However, this may depend on the specific installation and operating conditions.

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