Lead & Power System Study

Larsen & Toubro; Riyadh; On-site; SAR 150,000 - 200,000; Full time

Job summary

A leading engineering firm in Riyadh seeks an expert in power system studies. The role focuses on grid integration for renewable power plants, requiring in-depth knowledge of solar and wind energy systems. Candidates should be proficient in tools like PSCAD and PSS/E and experienced in stability studies and short circuit analysis. The position emphasizes compliance with grid codes and operational assessments for renewables. This role offers the opportunity to work on innovative projects in the Middle East.

Qualifications

• Experience in power system studies for substations and grid integration.
• Hands-on experience with PSCAD, PSS/E, ETAP.
• Knowledge of IEC, IEEE, DEP, and other industrial standards.

Responsibilities

• Conduct grid integration studies including stability and harmonic studies.
• Perform short circuit analysis and sizing of switchgear.
• Assess operational challenges of renewable energy technologies.
• Conduct insulation coordination and arc flash analysis.

Skills

Power system studies

Grid integration studies

Renewable energy knowledge

Software proficiency (PSCAD, PSS/E, ETAP)

HVDC systems

Protection relay selection

Tools

PSCAD

PSS/E

ETAP

HOMER

CYME

Job description

Experience in a Power system studies for Substations and grid integration studies for Renewable Power Plants. Preferred to have profound knowledge about renewable generation (Solar PV inverters, wind energy systems), HVDC, FACTS (STATCOM, SVC, SCG).

Should have hands‑on experience working on software like PSCAD, PSS/E, ETAP, DigSILENT.

Primary Responsibilities

• Experience in Grid integration studies like Transient and Steady state stability studies, voltage stability studies, harmonic studies, power quality studies, LVRT (Low Voltage Ride Through) and Fault Ride Through studies.
• Experience in performing short circuit analysis and sizing the switchgear and circuit breaker as per the standard.
• Experience in Insulation coordination studies - cable energization, transformer energization, reactor energization, TRV, direct and indirect lightning strike study very fast transient over voltage (GIS) using PSCD or similar, Switching study, Power oscillation damping, Sub‑Synchronous Resonance study.
• Experience in performing arc flash analysis as per the international standard.
• Experience in Contingency analysis for designing grid components.
• Experience in performing Ferro‑resonance Studies associated with Transformer, EHV Cable.
• Experience in performing the Secondary Arc current extinction study for performing successful auto reclosure study.
• Selection of Surge Arrester Duty such as Residual Voltage, Energy Level.

Renewables

• Load flow studies to assess the overloading elements in the network as per the Renewable Energy Systems (RES) capacity addition plans/scenarios.
• Identification of reactive power elements required under multiple cases for RES capacity addition plans/scenarios.
• Shall have knowledge on Modelling of Renewable Energy sources (especially Solar, BESS & Wind).
• Assessment of the operational challenges posed by Different RES technologies- Solar, Wind
• Verification of grid code compliance before energization of the power plant under consideration of all relevant operating scenarios.

Industrial

• Experience in performing motor acceleration and re‑acceleration studies as per process requirement for motor grouping.

General

• Candidate shall be very well familiar with the IEC, IEEE, DEP and other industrial standards.
• Detailed Analysis of the available technological solutions in market for performing system studies.
• Ability to assume the typical input data parameter for each study as per project specifications and standards where the actual input data/parameters are not available.
• Good knowledge and interpretation of various country specific Grid codes (requirements related to Middle East region is preferred)
• Able to provide various optimization possibilities along with compliance to Grid code requirements.
• Knowledge in identifying the issues/challenges which may arise during grid integration and suggest solutions.

Preferred Skills

• Experience in design of power generation mix for microgrid and battery storage systems using software like HOMER or similar.
• Experience in protection relay selection, coordination studies – over current / Earth fault, Unit protection, distance protection, motor protection, generator protection and grid tie‑in.
• Modelling of Phase Shifting Transformer.
• Good experience in handling customers and Utilities/Off takers related to the approval of Grid impact studies.
• Experience in HVDC, STATCOM projects including Electromagnetic field (Compatibility) studies.

Software Proficiency

DIgSILENT/ PSS/E/ ETAP/ PSCAD / HOMER/ CYME/ MATLAB/ Mipower/ EMTP-RV/ CDEGS / AVEVA.