HVDC/ VSC System Expert- Substation

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.

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.

Key Responsibilities

• 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.