Power0020
Electrical
- Jun 11, 2014
- 303
SVLs are usually used to protect cable jackets from lightning and switching surges, the SVL conduction voltage should be coordinate with the through fault induced voltage to avoid conduction on fault with huge energy dissipation/explosion!.
I wonder in case of conductor-to-sheath fault, the SVL voltage may rise to very high values (neat to phase voltage, depending on fault location.
Would th SVL survive such fault? I think it will explode as part of the cable fault, I remember that some utilities require to replace the whole faulty section (till the first earthing point) as they don't trust energizing a faulted cable easily.
Any clues?
I wonder in case of conductor-to-sheath fault, the SVL voltage may rise to very high values (neat to phase voltage, depending on fault location.
Would th SVL survive such fault? I think it will explode as part of the cable fault, I remember that some utilities require to replace the whole faulty section (till the first earthing point) as they don't trust energizing a faulted cable easily.
Any clues?