Mellomspennings koblingsanlegg 15 kV

Ormazabal Velatia Cgmcosmos

Switchgear in 3-field design:
1) COSMOS-L line field. Equipment:
- 24kV/630A field disconnector operating in SF6 gas shielding,
- earthing switch on the side of the cable connection,
- signaling the presence of voltage from the cable connection side.
Field disconnector and earthing switch equipped with position signaling contacts, suitable for use with photovoltaic systems.
2) Measurement field COSMOS-M. Equipment:
- 3pc current transformers type AB12, 3 secondary windings for each transformer, transmission 20/5-5-5 A/A, accuracy classes 0.2S-0.2S-5P10, powers 5-5-5 VA,
- Voltage transformers 3pcs type VB24, 4 secondary windings for each transformer, transmission 15000√3//100/√3-100/√3-100/√3-100/3 V/V, accuracy classes 0.2-0.2-3P-3P powers 0-10VA, 0-5VA, 5VA, 10VA,
Current transformers are after replacement in October 2023.
3) COSMOS-P transformer field Equipment:
- 24kV/630A field disconnector operating in SF6 gas shield with a 230VAC solenoid rise trip and compartment for MV fuses up to 200A,
- earthing switch on the cable connection side,
- signaling the presence of voltage on the cable connection side,
Field disconnector and earthing switch equipped with position signaling contacts, suitable for use with photovoltaic systems.
Notes:
Hu3Ou3S
1) MV switchgear in continuous use from the beginning in one place,
2) SF6 gas pressure level in normal - no leaks.

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