Content:
The medium voltage capacitor bank is manufactured by TEPCO with technical cooperation with CIRCUTOR – SPAIN. The bank consists of 2 sections:
1) Outdoor Enclosure:
Equipped with SF6 circuit breaker, contactors and capacitor banks. This enclosure is provided with doors, which give flexibility to inspect and maintain the equipment. The enclosure consists of 3 compartments:
– SF6 circuit breaker compartment equipped with 3 phase SF6 CB 630 A – 12 KV – 500 MVA – 25 KA product of AREVA – FRANCE type FP1225B.
– SF6 contactor compartment equipped with 3 phase SF6 contactor 400 A – 12 KV – 1.8 MVAR and 3 phase SF6 contactor 400 A – 12 KV – 3.6 MVAR product of AREVA – FRANCE type GFA.
– Medium voltage capacitor banks compartment equipped with 18 single phase capacitor 300 KVAR–6350 V – two bushing BIL 38/95 KV, 300 mm creepage distance with internal fuses and discharge reactor 50 V 5 min – stainless steel tank product of CIRCUTOR – SPAIN and 6 inrush current coil 20 micro H – 12 KV product of CIRCUTOR – SPAIN.
2) Indoor Control Box:
The control box is designed to enclose all protection relays, monitoring instruments and controlling of the capacitor banks.