Manos Thangaraja
Summary
Accomplished electrical engineer with extensive expertise in MV/LV switchgear, power and auxiliary transformers up to 420kV, and generator operation and synchronisation. Proficient in protection relays testing, motor maintenance and diagnostics, as well as UPS, battery charger, and DC systems. Skilled in SCADA/PLC troubleshooting, preventive and predictive maintenance, control circuit troubleshooting, and LOTO compliance. Adept at root cause analysis, shutdown planning and execution, with strong capabilities in AutoCAD/Electrical CAD and MS Office applications. Committed to enhancing operational efficiency through innovative solutions while ensuring electrical safety compliance.
Overview
17
17
years of professional experience
4
4
years of post-secondary education
Work history
Electrical Supervisor – O&M
HEISCO | MEW Kuwait – Al-Zour South CCPP
2024.07 - 2026.04
- Execute O&M activities for SGT-4000F / GE-9F Combined Cycle Plant
- Perform maintenance of MV/LV switchgear, transformers, generators, and protection systems
- Conduct relay testing (OC, EF, Differential, REF, UV/OV) using secondary injection
- Handle generator startup via SFC and excitation systems
- Maintain UPS, DC systems, and battery chargers
- Troubleshoot MOVs, control circuits, alarms, and interlocks
- Ensure strict compliance with LOTO & PTW safety procedures
- Coordinate shutdown activities, documentation, and maintenance planning
Electrical Engineer – O&M
Hyundai Engineering | Algeria – Oumache II CCPP (1338 MW)
2020.02 - 2023.10
- Maintained LV/MV systems, transformers (200MVA), and switchgear
- Performed motor maintenance, VFD & soft starter troubleshooting
- Maintained UPS, battery systems, and DC supply schemes
- Executed control & protection scheme troubleshooting (AC/DC systems)
- Supported plant operations during startup and shutdown
Electrical Engineer
Doosan Heavy Industries | Vietnam – Vinh Tan 4 (2×600 MW)
2016.11 - 2018.02
- Maintained systems from 415V to 400kV including substations
- Performed CT/PT testing, relay testing, and busbar schemes
- Conducted battery, UPS, transformer, and switchgear maintenance
- Executed primary & secondary injection tests
Electrical Supervisor
Hyundai Engineering | UAE – Mirfa IWPP (1600 MW)
2016.04 - 2016.11
- Troubleshot 11kV switchgear, protection relays, and control circuits
- Worked on generator, transformer, and feeder protection systems
- Handled relay configuration and synchronization schemes
Electrical Engineer
Doosan Heavy Industries | Vietnam – Mong Duong 2 (2×560 MW)
2014.05 - 2016.01
- Maintained transformers, motors, and protection relays
- Supported SCADA/PLC systems and startup activities
- Performed substation maintenance and fault analysis
Electrical Engineer (LOTO)
Bannari Amman Sugars | India (20 MW Co-gen Plant)
2011.09 - 2014.05
- Managed LOTO safety system and maintenance planning
- Performed RCA, preventive maintenance, and team supervision
Electrical Engineer
Sewage Treatment Plant | India
2009.08 - 2011.08
- Maintained 11kV/440V substations, DG sets, and MCC panels
- Handled motors, pumps, APFC panels, and starters
Education
B.E - Electrical & Electronics Engineering
Anna University
2005.01 - 2009.01
Skills
- MV/LV Switchgear (VCB, ACB, MCCB, MCB)
- Power & Auxiliary Transformers (Up to 420kV)
- Generator Operation & Synchronization
- Protection Relays Testing (OC, EF, Differential, REF)
- Motor Maintenance (LV/MV) & Diagnostics
- UPS, Battery Charger & DC Systems
- SCADA / PLC (Basic Troubleshooting)
- Preventive & Predictive Maintenance
- Control & Power Circuit Troubleshooting
- LOTO & Electrical Safety Compliance
- Root Cause Analysis (RCA)
- Shutdown Planning & Execution
- AutoCAD / Electrical CAD
- MS Excel, Word, PowerPoint
PERSONAL DETAILS
Languages: English, Tamil, Hindi
TRAINING
- Supervisor Safety Training
- Thermal Power Plant Safety Training
Timeline
Electrical Supervisor – O&M
HEISCO | MEW Kuwait – Al-Zour South CCPP
2024.07 - 2026.04
Electrical Engineer – O&M
Hyundai Engineering | Algeria – Oumache II CCPP (1338 MW)
2020.02 - 2023.10
Electrical Engineer
Doosan Heavy Industries | Vietnam – Vinh Tan 4 (2×600 MW)
2016.11 - 2018.02
Electrical Supervisor
Hyundai Engineering | UAE – Mirfa IWPP (1600 MW)
2016.04 - 2016.11
Electrical Engineer
Doosan Heavy Industries | Vietnam – Mong Duong 2 (2×560 MW)
2014.05 - 2016.01
Electrical Engineer (LOTO)
Bannari Amman Sugars | India (20 MW Co-gen Plant)
2011.09 - 2014.05
Electrical Engineer
Sewage Treatment Plant | India
2009.08 - 2011.08
B.E - Electrical & Electronics Engineering
Anna University
2005.01 - 2009.01