The candidate is expected topossessexperience inparticipatingin at least one (1) GIS or AIS substation project throughout the entire project lifecycle.

Specific Knowledge & Skillsets

- Proficiencyin CAD design tools and E3 (optional).

- AIS/GIS substation equipment and their operational purpose (66 kV & above).

- Understanding PQ solutions (STATCOM/SVC) and special substations (Mobile SS/Prefab) - desirable

- Substation Interface Engineering with MEP & Civil - Understanding ofcross'functionalinterfaces during design and execution phases.

- Tender Engineering - Finalization of layout and SLD interpreting tender inputs.

- Project Engineering - Understand the project scope & customer specifications

- Standards - Awareness of the IEC, IEEE standards related to secondary engineering.

- Protection SLD of various bus configurations.

- Functional Design Standards/Descriptions

- Signal list (SCMS, FMS,etc.,), Protection Trip matrix, Logics & Interlocks.

- Relay ordering information from different IED vendors.

- CRP and secondary cubicle layouts.

- LVAC & DC system distribution philosophy.

- LVAC & LVDC power cable sizing andselection.

- CT / VT parameters.

Activities Involved

Key activities include:





- Protection SLD showing IEDs with protection and metering functions, understanding power system parameters.

- Understand,relateand review Vendor drawings anddocumentwith technical requirements (Control & Relay panels, SCMS, Metering, FMS & LV Auxiliary System).

- Read schematic diagrams andinterface Control & Relay panel schemes withSCADA/SAS, Telecom, Metering, FMS, PQMS, WAMS & LV Auxiliary System.

- Read the basics of SAS System architecture in correlation with CRP, metering, FMS, etc.,

- Prepare Cable Schedule/Terminationschedule& Wiring/Termination diagrams.

- Design Auxiliary Power System - LVAC & DC load requirements, LV board SLD and panel requirements, Aux. Transformer, Battery & Charger Sizing & CB selectivity study.

- CT/VT Sizing/adequacy check calculation & Relay configuration.

- Technical data sheets verification ofequipment's. Knowledge of equipment, such as circuit breakers, disconnectors, earthing switches, instrument transformers, power transformers, etc.,

- Vendor Co-ordination

Qualifications& Experience

- Bachelors Engineering in (Electrical & Electronics)

- 1-5 years exp

📌 Secondary Engineer (Chennai)
🏢 Hitachi Energy
📍 Chennai