Engr. Umar Sharif

Experience

• 

  Hayatian Quiz Society

  Jul 2014 - Sept 2015

  My responsibilities are to lead and give proper instructions to my team.

  • Vice President

    Mar 2015 - Sept 2015

  • General Secretary

    Jul 2014 - Mar 2015
• 

  PTCL

  Mar 2016 - Mar 2017

  Management Associate

  Here are my responsibilities and key performances during the job;Performing Routine Maintenance on a daily, weekly and monthly basisOperation and maintenance of standby batteries/ power plantResponsible Re-routing or shift the traffic on protection during cable cut or problem on equipment by demand software or hardware to avoid the outageResponsible for Operation and Maintenance of SDH/PDH DWDM Fiber Optic Transmission NetworkResponsible Operation and maintenance of PCM system from 1storder DME to 5th order DME (2 Mbit/s to 565 Mbit/s with local/ long distance network) Show less

• 

  Sapphire Renewables: Sapphire Wind Power Company Limited

  May 2018 - Jun 2023

  Performed testing and replacement of 690V GSU-WTG LV cables for ~12 WTGs.Performed Main bearing and WTG pitch bearing replacement with the team for 5 WTGs(1.5X GE).Identified power curve understatement of GE 1.5x turbine. As compensation, GEincreased the turbine rating from 1.5 MW to 1.68 MW (12% increase).Developed in-house E-tap model and curtailment simulator to identify bottlenecks and weak links inNTDC(220 KV) as well as HESCO(132 KV) grid systems (directly/indirectly affecting WPPs).Part of the Annual testing team for the Substation equipment (MV panels, 132 KV Transformers, Relays etc)Experienced with protection and control systems for power transformers and transmission linesHave sound knowledge of various types of protective relays, including overcurrent, differential, and distance relaysComputation of Bonus Energy/Guarantee Energy as per Full Services Agreement (FSA).Performed daily analysis/ Loss Calculations/ Maintenance Losses/Availability of Wind Power Plant.Determined independent functions to calculate Power Curve Formulae for WTGsTo compare WTG performances with each other detect inconsistencies at individual turbine levels and inform the O&M about timely rectification.Worked on FY and OY wise Energy projections and presented them to the Head Office team.Performed OY-wise operational data assessment as per the requirement of the Lender.Prepare Mast comparison report for Head office to evaluate in accordance with Independent Engineers’ mast study.Perform cost estimation of Sub-stations’ renovation work and created BOQs and BOMs as required.Strong understanding of power system grounding and lightning protection systems.Ability to perform fault analysis, relay settings calculations, and short-circuit analysis using software tools such as ETAP Show less Coordination with the contractor’s team, Consultants and other third parties throughout the design & Execution Phase of the Project.Development of installation procedures, quality inspection plans, checklists, standard work instructions, testing procedures and other relevant documents during the project work.Overseeing project requirements for Construction and installation of 132/33kV AIS including all switchgear equipment (CT, VT, CVT, DS, CB, SA, Power T/F, Aux T/F, Ground T/F, NGR, GSU/RMU, VCB, Bus Bar, Earth switch, Distance Protection, Differential Protection, OC/EF relays, Circuit verification and troubleshooting).Continuous monitoring of earthing work, structure erection, conduit work, electrification work, HVDC work, cable laying, and termination.Supervised 33 KV MV cable laying for 49.735x3 MW Wind Power Project taking into consideration through testing (IR test, DC HiPot, VLF test).Preparation of MOS for cable laying and cable joint wells.Accompany the Chinese OEM team for all equipment smooth execution and installation.Organizing training sessions of all equipment of substation for Client & OM team.Executing the Pre-Commissioning, Commissioning, and Testing activities by myself considering the sensitivity of the job.Organizing site key inspection and testing activities, reviewing and issuing site NCRs to the responsible parties, and monitoring the execution of corrective actions.Identifying risks related to quality management and devising mitigation measures as required.Preparation of daily, weekly, and monthly progress reports.Preparing and reviewing all the testing protocols and reports for the official stakeholdersEnsuring Health, Safety, and Environment standards at a job site Show less

  • Senior Electrical Engineer (O&M)

    Jul 2021 - Jun 2023

  • Electrical Engineer (EPC)

    May 2018 - Jul 2021
• 

  Sapphire Renewables: Tricon Boston Consulting Corporation (Private) Limited

  Jul 2023 - Feb 2024

  Assistant Operations Manager
• 

  Metro Power Group

  Feb 2024 - now

  Lead O&M