AVV Square 2.0 – BESS MV Switchgear

The Contract is for the delivery, installation and Site Acceptance Testing (SAT) of 1 (one) medium-voltage air-insulated switchgear to be installed in the substation for the connection of the Battery Energy Storage System (BESS) to the main MV switchgear in Avedøre Power Plant in Denmark to the Contracting Entity for the Project. General characteristics of the switchgear:
• Rated voltage: 17.5 kV three-phase
• Operating voltage: 11.1 kV
• Frequency: 50 Hz
• Insulation level: 38 kV – 50 Hz, 1 min
• BIL: 95 kV – 1.2/50 μs
• Busbar rated current: 2500 A
• Short-circuit current: 63 kA / 1 s
• Internal arc classification: AFRL - 63 kA / 0.5 s
• Rated current of circuit breakers:
• Incomer cubicle: 2500 A
• Feeder cubicles: 630 A
• Auxiliary services cubicle: 630 A