Yaarmag Substation Expansion & Upgrade

  • Category: Uncategorized
  • Client: NPDG PJSC
  • Duration: 2019

Highlights:

– Relay protection upgraded from electromechanical to microprocessor-based technology
– Improved sensitivity and fast fault clearance — the core requirements of relay protection
– IEC61850-compliant microprocessor relay protection equipment installed at the substation

Works performed:

Decommissioning of old relay protection panels for 110/35/10 kV T1 and T2
New relay protection and automation solution design, installation, testing, and commissioning for 110/35/10 kV T1 and T2
Decommissioning of old relay protection panels for 6 x 35 kV transmission lines
New relay protection and automation solution design, installation, testing, and commissioning for 6 x 35 kV transmission lines

Solutions used:

RET650, REL650, REL650, REF611 — 110/35/10 kV T1 and T2 relay protection
REL650 — 35 kV transmission line relay protection