Hankinnan kuvaus
Arc suppression coils:
— Rated power 3150 kVA and 4000 kVA, Current 26-266 A and 33-338 A
— Voltage 20,5 kV/√3, 50 Hz
— Estimated volume 15 — 30 pcs, meaning 5 — 10 pcs / year
— More than half of the total amount will be bigger size coils (4 000 kVA)
— Delivery time during the years 2019 — 2021, delivery directly to Caruna primary substations (Finland).
Earthing transformers:
— Rated Power 3150 kVA and 4000 kVA
— Voltage 20,5 kV
— Estimated total volume 15 — 30 pcs, meaning 5 — 10 pcs / year.
— More than half of the total amount will be bigger size transformers (4 000 kVA)
— Delivery time during the years 2019 — 2021, delivery directly to Caruna primary substations (Finland)
Controllers:
— must be compatible with Arc suppression coil and control device shall include all the necessary accessories needed for current injection,
— communication standard for connection to relay bus is either SPA or IEC61850,
— Estimated total volume 15 — 30 pcs, meaning 5 — 10 pcs / year
— Delivery time during the years 2019 — 2021, delivery directly to Caruna primary substations (Finland).
Caruna will not commit to the estimated volumes mentioned above. More detailed description will be shared in the RFQ phase.