HVDC/VSC Systems Expert – Substation & HVDC

HVDC/VSC Systems Expert – Substation & HVDC Full-time State/Province: Gujarāt Business Group: DCS Legal Entity: AECOM India Private Limited Business Line: Energy Work Location Model: On-Site Operating Group: International Primary Location: IN - Ahmedabad Metro - 3rd Floor, Ka Company Description At AECOM, we’re delivering a better world. We believe infrastructure creates opportunity for everyone. Whether it’s improving your commute, keeping the lights on, providing access to clean water or transforming skylines, our work helps people and communities thrive. Our clients trust us to bring together the best people, ideas, technical expertise and digital solutions to our work in transportation, buildings, water, the environment and new energy. We’re one global team – 47,000 strong – driven by a common purpose to deliver a better world.

Job Purpose Provide specialist technical oversight for the ±500 kV VSC-HVDC terminal stations, including converter technology, AC/DC system interfaces, converter transformers, valves, reactors, filters, control, protection and system integration.

Review the overall HVDC system architecture, design criteria and technical interfaces. Review OEM documents for VSC converters, converter valves, converter transformers and associated auxiliaries. Review AC/DC filters, phase reactors, smoothing reactors, harmonic filters and reactive-power equipment. Review station control, pole control, valve control, protection, monitoring and sequence-of-events systems. Review operating modes, power-control functions, voltage and reactive-power control and system recovery philosophy. Review control and protection coordination between the HVDC system, AC substations, grid protection, SCADA and telecom systems. Review applicable system studies, including load flow, short circuit, harmonic, insulation coordination, overvoltage, dynamic-performance and electromagnetic-interference studies. Verify technical interfaces between converter transformers, valves, cooling systems, control systems and station auxiliaries. Review converter hall, valve hall, equipment-layout and environmental requirements. Review OEM manufacturing, installation, testing and commissioning procedures. Participate in design reviews, interface meetings, model-validation reviews and technical workshops. Review control and protection settings, logic diagrams, interlocks, trip matrices and functional specifications. Review factory and site testing documentation where included in the contracted scope. Support resolution of complex technical issues during installation, testing and system integration. Review readiness for subsystem testing, station integration, energization and trial operation. Advise the Client on HVDC performance risks, OEM deviations, design gaps and mitigation measures. Support review of as-built documentation, operating manuals and training requirements. Key Deliverables HVDC design and OEM-document review comments. HVDC interface register. Control and protection review report. System-study review memorandum. HVDC technical-risk register. Testing and commissioning-readiness assessment. Final HVDC technical-compliance report.

Minimum Qualification and Experience Bachelor's or master's degree in Electrical Engineering, Power Systems or Power Electronics. Minimum 12 years of experience in HVDC, FACTS, power-electronic converter systems or EHV system integration. Demonstrated experience with VSC-HVDC or comparable converter-based transmission systems. Knowledge of HVDC control, protection, system studies, converter transformers, valves and harmonic performance. Experience in OEM design review, testing and commissioning is preferred.

Provide specialist technical oversight for the ±500 kV VSC-HVDC terminal stations, including converter technology, AC/DC system interfaces, converter transformers, valves, reactors, filters, control, protection and system