The high-voltage cable is suitable for fixed electrical power transmission and distribution lines with AC 50HZ and rated voltage of 35KV and below for power transmission.

2, the use of features

1) The maximum rated temperature of the cable conductor is 90 °C.
2) When short circuit (maximum waiting time does not exceed 5s), the maximum temperature of the cable conductor does not exceed 250 °C
3) The ambient temperature when laying the cable should not be lower than 0 °C.

3, the main technical performance

1) The main technical performance index parameters of the cable are shown in Table 1.
2) Conductor DC resistance see Appendix A
3) Power cable capacitance, inductance, reactance see Appendix D

4, product naming

1) Cable type with letter and number meaning
T-copper conductor (omitted)
L-aluminum conductor
YJ-crosslinked polyethylene (XLPE) insulation
V-polyvinyl chloride (PVC) sheath
Y-polyethylene (PE) sheath
XLPE insulated steel tape armored PVC sheathed power cable, rated voltage 8.7/10KV, 3 cores, nominal section 240mm2, expressed as: YJV22-8.7/10 3*240 GB 12706.3-1991

5. Cable model:

Type	Description	Scope of application
YJV YJLV YJY YJLY	Copper core XLPE insulated PVC sheathed power cable Aluminum core XLPE insulated PVC sheathed power cable Copper core XLPE insulated PE sheathed power cable Aluminum core XLPE insulated PE sheathed power cable	Indoors, tunnels, cable trenches, etc., cannot withstand mechanical external forces. Single core cables are not allowed to be laid in magnetic pipes.
YJV22 YJLV22 YJV23 YJLV23	Copper core XLPE insulated steel tape armored PVC sheathed power cable Aluminum core XLPE insulated steel tape armored PVC sheathed power cable Copper core XLPE insulated steel tape armored vinyl chloride sheathed power cable Aluminum core XLPE insulated steel tape armored vinyl chloride sheathed power cable	Indoors, tunnels, cable trenches, or buried laying, can withstand certain mechanical external forces, but can not withstand large tensile forces.
YJV32 YJLV32 YJV33 YJLV33	Copper core XLPE insulated thin steel wire armored PVC sheathed power cable Aluminum core XLPE insulated fine steel wire armored PVC sheathed power cable Copper core XLPE insulated thin steel wire armored PE sheathed power cable Aluminum core XLPE insulated thin steel wire armored PE sheathed power cable	Indoor, tunnel, cable trench, shaft or buried laying, can withstand mechanical external forces and a certain tensile force.

The power cable shall be subjected to the corresponding power frequency test voltage for 5 minutes without breakdown; wherein U0 is 6-8.7kV cable test voltage according to IEC60502. From 2.5U0 to 3.5U0; rated voltage 26/35 (26/35) kV cable should be subjected to power frequency 65kV/30min without breakdown according to IEC60840.

High voltage power cable YJV62

Thin steel wire armored power cable YJLV32