Abdallah Cherkaoui

Performed comprehensive high-voltage testing and quality assurance for HV/MV switchgear at Toshiba T&D Systems Asia, successfully supporting crucial TNB utility projects. Delivered strict adherence to technical standards and equipment reliability through rigorous factory testing protocols.

Key Responsibilities & Technical Achievements:
- Executed Primary Current Injection Tests on Current Transformers (CT), validating 800:5A transformation ratios across 51 feeder pillars.
- Conducted 28kV AC Hi-Pot dielectric testing on primary circuits to confirm excellent insulation resistance safety levels (≥100 MΩ).
- Managed SF6 gas leak testing and containment validation on Ring Main Units (RMU) across strict 12-hour monitoring cycles.
- Measured and verified contact resistance using digital micro-ohmmeters, achieving precise tolerances of ≤55µΩ for switch contacts and ≤145µΩ for panel assemblies.
- Oversaw SCADA signal verification (CB ON/OFF), protection relay logic validation, and mechanical interlock testing on 12kV AIS Single Bus panels.
- Validated Vacuum Circuit Breaker (VCB) operations alongside vital shutter safety interlock systems.
- Authored and finalized comprehensive Factory Acceptance Testing (FAT) reports and technical data sheets required for final TNB project approvals.

Supported building automation and HVAC control system projects at Optergy, a company specializing in Building Management Systems (BMS) and smart building solutions. Contributed to enhanced building energy efficiency and system reliability through robust engineering, configuration, and troubleshooting.

Key Responsibilities & Core Achievements:
- Designed comprehensive control and monitoring diagrams for HVAC systems (including AHU and FCU assemblies) utilizing AutoCAD.
- Programmed and configured PLC, HMI, and BMS architectures tailored for diverse building automation projects.
- Diagnosed and troubleshot Variable Air Volume (VAV) units, successfully optimizing the energy efficiency of HVAC air distribution systems.
- Integrated field controllers seamlessly into the main BMS platform via precise IP configurations and network layout setups.
- Assisted in optimizing chiller plant operations through continuous system trend logging, data collection, and performance analysis.
- Authored and compiled technical Operation & Maintenance (O&M) manuals and procedures for newly commissioned automation systems.