Shahid Zaffar

• Hands-on experience with SIMOPRIME Medium Voltage (MV) Switchgear, including
installation, testing, and commissioning.
• Practical exposure to SIVACON S8 Low Voltage (LV) Switchgear Systems for industrial and
commercial applications.
• Operational knowledge of Ring Main Units (RMU) including installation, fault diagnosis,
testing, and commissioning.
• Strong experience with SIBOARD Power Distribution Boards and Alpha Load Centre systems.
• Extensive hands-on experience with Siemens equipment, including:
◦ Variable Frequency Drives (VFDs)
◦ Soft Starters
◦ Programmable Logic Controllers (PLCs)
◦ Circuit Breaker inspection, testing, and maintenance
◦ Proficient in configuration, parameterization, testing, and troubleshooting of Siemens
Protection Relays.
• Comprehensive experience in site testing and commissioning (T&C) of MV and LV systems.
• Skilled in performing primary and secondary injection tests, relay coordination checks, and
functional testing.
• Strong troubleshooting capabilities across electrical control, protection, and power distribution
systems.
• Experienced in ensuring compliance with electrical standards, safety procedures, and project
specifications during commissioning activities.

• Conducted Type & Routine Tests and FAT for MV/LV switchgear and Control & Relay Panels
as per WAPDA, KE, NTDC & IEC standards.
• Configured and tested protection relays (ABB, Schneider, Fanox) and verified protection logic
schemes.
• Executed site testing & commissioning of MV/LV systems including RMUs, CT/PT accuracy,
power frequency, induced, temperature rise, and short-circuit tests.
• Ensured compliance with IEC 61439, 62271, 61869, 60898, 60947 and ISO/IEC 17025:2017
standards.
• Coordinated with clients, supervised inspection/testing teams, and enforced quality & safety
procedures.

• Executed site commissioning and testing of power & distribution transformers (1MVA-40MVA),
including IR, Winding Resistance, TTR, SFRA, Capacitance & Tan Delta, Magnetic Balance, and OC/SC
tests.
• Performed protection relay testing including settings verification, pickup/drop-off tests, and secondary
injection.
• Conducted HV & LV cable testing and MV/LV circuit breaker testing (contact resistance, insulation
resistance, control & tripping time verification).
• Troubleshot electrical panels and battery/charging panels during commissioning activities.
• Supervised installation and carried out visual inspections of power distribution boards (DBs), panels,
transformers, and 3-phase motors.