35KV and below high voltage power cable
ZC-YJV22 high voltage power cable 6/6kv, 6/10kv, 8.7/10kv, 8.7/15kv, 26/35kv
1, the use of high-voltage cable
High-voltage cable is suitable for fixed laying in AC 50HZ, rated voltage 35KV and below on the power transmission and distribution lines for the transmission of electrical energy.
2, the use of characteristics
(1) The maximum rated temperature of the cable conductor is 90℃.
(2) short-circuit (the longest duration of not more than 5s) the maximum temperature of the cable conductor does not exceed 250 ° C
(3) The ambient temperature when laying the cable should not be less than 0 ℃.
3、Main technical performance
(1) The main technical performance index parameters of the cable are shown in Table 1.
(2) DC resistance of the conductor see Appendix A
(3) power cable capacitance, inductance, reactance, see Appendix D
4, product naming
(1) cable model with letters and numbers meaning
T-copper conductor (omitted)
L-aluminum conductor
YJ-cross-linked polyethylene (XLPE) insulation
V-Polyvinyl chloride (PVC) sheath
Y-Polyethylene (PE) sheath
Cross-linked polyethylene insulated steel tape armored PVC sheathed power cable, rated voltage 8.7/10KV, 3 cores, nominal cross-section 240mm2, expressed as: YJV22-8.7/10
3*240 GB 12706.3-1991
