Model/SpecificationWYJJTI, WYJJJI / WYJJTI, WYJJJI
Executive standardIEC60840, GB/T11017 / IEC62067, GB/Z18890
Rated voltage (U0/U)64/110 kV / 127/220 kV
Maximum operating voltage (Um)126 kV / 252 kV
Basic impulse insulation level (BIL)550 kV / 1050 kV
a) During normal operation90°C / 90°C
b) During transient (short-circuit duration not exceeding 5 s)250°C / 250°C
Insulation materialimported EPDM rubber / imported EPDM rubber
Stress cone materialimported EPDM rubber / imported EPDM rubber
Cable outer diameter applicable to joint (after grinding)Φ56-85 mm / Φ80-116 mm
Storage conditions and effective service lifecool, dry, sealed, protected from light, 5 years / cool, dry, sealed, protected from light, 5 years
Relative permittivity of insulation2.3-3.2 / 2.3-3.2
Volume resistivity of insulation≥1×10^15 Ω·cm / ≥1×10^15 Ω·cm
a) Crimping process descriptionhexagonal compression / hexagonal compression
b) Crimping tool and die dimensionsselected according to cable conductor cross-section / selected according to cable conductor cross-section
Weight120 kg / 160 kg
Joint sealing methodwaterproof tape, heat-shrink tubing, cable sealant / waterproof tape, heat-shrink tubing, cable sealant
Electrical connection method for metal sheath groundingwelding or lead sealing / welding or lead sealing
a) Materialpolyurethane / polyurethane
b) External dimensions2100×500×400 / 2850×600×600
b) Quantity125 kg / 175 kg
a) Withstand DC voltage20 kV / 25 kV
b) Withstand impulse voltage75 kV / 95 kV