Item
NO |
property |
Test |
Requirements |
Results |
Outdoor termination |
Indoor termination |
1 |
AC withstand for
15min
(dry withstand) |
IEC60060 |
No breakdown and
flashover shall occur at 4kv |
No breakdown and
flashover occurred on the combi.sample at 4kv |
¡¡ |
OK |
2 |
AC withstand for
15min
(in water bath) |
IEC60060 |
No breakdown and
flashover shall occur at 4kv |
No breakdown and
flashover occurred on the combi.sample at 4kv |
OK |
¡¡ |
3 |
Impulse voltage
withstand |
IEC60060I, IEC60230 |
10 positive and 10
negative impulses at 8kv |
No breakdown of the
combi.sample occurred at 19p |
OK |
OK |
4 |
Thermal
short-circuit test |
VDE0278 |
No transfigure and
welding shall occur on all parts at 17.7KA,1s |
No transfigure and
welding occurred on all parts at 17.7KA,1.03s;17.8KA,1.03s |
OK |
OK |
5 |
DC negative
polarity voltage withstand for 5min |
IEC60060 |
No breakdown and
flashover shall occur at 15kv |
No breakdown and
flashover occurred on the combi.sample at 15kv |
OK |
OK |
6 |
AC Voltage
withstand for 4h |
GB11033
GB5589 |
2.4KV/4h |
2.4KV/4h |
OK |
OK |