High Voltage Cable--YJLV22
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Main properties of power cables:
1. AC voltage test
The power cable should withstand the power frequency test voltage corresponding to the table for 5 minutes without breakdown; U0 is the 6-8.7kV cable test voltage increased from 2.5U0 to 3.5Uo according to IEC60502; the rated voltage of 26/35 (26/45) kV cable is IEC60840 should withstand power frequency 65Kv30min without shock
Put on.
2. Partial discharge test:
The partial discharge test voltage of rated voltage 6/6 (6/10), 8.7/10 (8.7/15), 26/35 (26/45) Kv XLPE insulated power cable is based on international standards IEC60502 and IEC60840 from 1.5U0 Raised to 1.73U0, 8.7/10 (8.7/15) Kv and beyond
The lower partial discharge does not exceed 10Pc, and the 26/35 partial discharge does not exceed 5Pc;
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