Voltage

System Nominal Voltage

13.8 kV

Cable

Cable Size

300 mm² Cupper

Cable Rated Current

390 A

Cable Normal Current

290 A

Resistance Ω/Km (Copper)

0.0607 Ω/km

Primary Station Bus Bar

Rated Short-Time Withstand Current

21 kA

Rated Power Frequency Withstand Voltage

50 kV rms

Breaker

Rated Normal Current

400 A

Rated Short-Time Withstand Current (33/13.8 kV Primary Stations)

21 kA

Rated Short-Time Withstand Current (132/13.8 kV Primary Stations)

25 kA

Rated Power Frequency Withstand Voltage

50 kV rms

Ring Main Units (RMU)

Bus Bar Rated Normal Current

630 A

Bus Bar Rated Normal Voltage

13.8 kV