26/35 (27.5) Zubehör für kV-Kaltschrumpfkabel

 

Scope of application:

Suitable for extruded insulated power cables with U0≤27.5kV

l Single-Core, three-core cable

l Leiter aus Kupfer oder Aluminium

l Extruded semi-conductive shielding layer or semi-conductive tape shielding

l Metal tape shielding or metal wire shielding

l Gepanzert oder ungepanzert

l Metallbandpanzerung oder Metalldrahtpanzerung

verwenden:

Indoor terminal: The end of a cable installed in an indoor environment (not subject to wind, frost, rain, snow and sunlight) and connected to switch cabinets, transformers and other power supply equipment or busbars.

Outdoor terminal: The end of a cable installed in an outdoor environment (able to withstand wind, frost, rain, snow and sunlight) and connected to overhead lines, busbars, transformers, fuses and other power supply equipment or overhead lines.

Gerader Steckverbinder (insulated connector): in the middle of the installed and running cable, zum Verbinden verwendet 2 Abschnitte von Kabeltrassen.

Technische Parameter:

Comply with and pass GB/T12706.4-2020 rated voltage 1kV (Um=1,2kV) bis 35kV (A=40,5kV) extruded insulated power cables and accessories Part 4: rated voltage 6kV (Um=7.2kV) bis 35kV ( A=40,5kV) test requirements for power cable accessories and GB/T28427-2012 Electrified Railway 27.5kV single-phase AC cross-linked polyethylene insulated cables and accessories 1.

Seriennummer Projekt Standardparameterwerte
1 Spannungsfestigkeitstest bei Netzfrequenz 124kV, Kein Durchschlag oder Überschlag 5 Minuten
2 DC withstand voltage test 110kV, Kein Durchschlag oder Überschlag 15 Minuten
3 Partial discharge test Discharge ≤5pC at 48kV
4 Impulse voltage test 250kV, positive and negative polarity 10 times each
5 constant voltage load cycle 65kV, auf 95-100℃ erhitzt, stabil für 2 Std., geradelt 3 mal
6 Spannungsfestigkeitstest bei Netzfrequenz 110kV, no breakdown or flashover in 4h