2. Notion of burning
2.1 Defect relief
Fault clearance can be achieved using either an AC generator or a DC voltage generator capable of delivering a high permanent current.
SCROLL TO TOPA high-voltage DC generator is used, limited however to 3 U0 where U0 is the phase-to-earth operating voltage of the cable under test (or specified cable voltage), and of sufficient power (order of magnitude 10 kW may be taken). The voltage is increased until the burning arc is stabilized and maintained. It...
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Notion of burning
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