Sainshand Substation Expansion

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:

110/35/10 kV T1 and T2 relay protection and automation solution design, testing, and commissioning
Relay protection and automation solution design, testing, and commissioning for 8 x 110 kV transmission lines
110 kV Busbar I and II relay protection and automation solution design, testing, and commissioning
35 kV Busbar I and II relay protection and automation solution design, testing, and commissioning
SCADA system solution design, testing, and commissioning
Integration of Sainshand substation data into DUT LLC’s SCADA system

Solutions used:

RED670, REL670, REL650 — Line, busbar coupler, and T1/T2 backup protection
RET650 — T1 and T2 main protection
RTU540, RTU560 — Substation metering and measurement data processing and transmission
SCADA system: ABB RTU560 HMI
Communication protocol: IEC61850-8-1
Power Spectrum SCADA system expansion using IEC60870-5-104 protocol to DUT LLC monitoring and information system