Muhammad Rizwan Jafar

Muhammad rizwan jafar

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location of Muhammad Rizwan JafarKarāchi, Sindh, Pakistan
Followers of Muhammad Rizwan Jafar978 followers
  • Timeline

  • About me

    Senior Protection Design and Substation Maintenance Engineer

  • Education

    • Commecs institute of business and emerging sciences

      2008 - 2010
      Intermediate pre-engineering a+
    • St. paul's english high school karachi

      1999 - 2008
      Matriculation computer science a+
    • Ned university of engineering and technology

      2011 - 2014
      Bachelor of engineering (beng) electrical, electronics and communications engineering
    • National university of computer and emerging sciences

      2020 - 2022
      Master of engineering - meng electrical 3.57
  • Experience

    • Pakistan state oil company (pso)

      Dec 2012 - Jan 2013
      Intern

      PSO (Pakistan state oil) 6 weeks winter internship in 2012/2013 Installation of DG sets and DG panels of(300-500)KVA, Communication: Reports and preasentation, Customer care, Marketing, Problem solving.

    • Pakistan aeronautical complex kamra

      May 2014 - Jun 2014
      Intern

      Refurbishment of ground radar systems.

    • Dewan cement ltd

      Jul 2015 - Nov 2015
      Trainee engineer e&i
    • K-electric

      Nov 2015 - now

      -Oversaw planning and execution of maintenance and upgrade activities for the Protection system of the Transmission Network at KE, ensuring alignment with system requirements.-Took responsibility for the protection of 5 green energy projects, including 3 wind power and 2 solar power projects.-Championed and maintained the highest HSEQ standards during site works, fostering a culture of safety among staff members.-Led technical evaluations and reviewed drawings for system protection as the Grid System Protection lead.-Coordinated with various departments to ensure smooth execution of official tasks.-Provided professional mentoring to subordinates and peers, fostering their development and growth.-Prepared and reviewed scope of work for Protection system rehabilitation projects.-Conducted prequalification of new protection relays based on specific requirements.-Monitored overall progress of protection system rehabilitation projects.-Offered technical support to field staff in resolving critical system problems.-Developed technical specifications and conducted evaluations of new test equipment. Show less • Responsible for protection and maintenance activities of the EHT network comprising of 220kV, 132kV, 66kV and 11kV system linking 63 grids and 6 power stations.• Implementation and testing of protection scheme for power transformer, transmission lines and 11 kV feeders.• Calculation of fault current, grading and protection coordination of over current relays at different voltage levels.• Responsible for setting calculations, relay parameterization / programming and testing of Distance, Differential and Over current Relays 7SA522, 7UT612, 7SJ602, D-60, Micom P631, P122.• Responsible for installation and testing of Over current & Earth fault, Differential and Distance relays of various manufacturers (i.e. Siemens, Alstom, Schneider, GE and ABB) installed at EHT Network.• Carrying out all Power Transformer Tests which includes TTR (Transformer Turn Ratio) Test, Winding Resistance Test, Short Circuit Test, Insulation Resistance Test, Ten Delta(CNDF) etc.• Good experience of working on different relay communication software such as Digsi 4.9, Agile etc and on various testing equipments such as ISA Italy relay test set T-1000, DRTS-6 universal relay test set.• Monitoring the record of all the Grid System Corrective, preventive and forced maintenance activities. Show less Perform Annual Preventive Maintenance on Grid stations/ EHT substations• Mobilize to Grids for corrective maintenance due to tripping• Test Protection schemes, Power transformers, Instrument Transformers, Switch gears, Circuit breakers and EHT bushings • Calculate protection settings• Assist Manager Grids in carrying out routine activities• Dispatch Testing, protection teams and make project completion reports• Retrieve fault records and study to analyze the root cause and perform corrective action• Ensure safe work execution • Replace old protection relays with new ones for protection system rehabilitation. Show less

      • Manager (Substation Maintenance & Protection)

        Sept 2023 - now
      • Senior Electrical Engineer(Deputy Manager)

        Dec 2019 - Nov 2023
      • Assistant Manager

        Nov 2016 - Dec 2019
      • Graduate Engineering Trainee

        Nov 2015 - Nov 2016
  • Licenses & Certifications

    • Digsi 5 & siprotec 5 protection relays - protection training

      Siemens power academy
      Jan 2020
    • Power transformer maintenance & testing

      Prescon engineering pvt limited
      Mar 2018
    • Power transformers & protection relay testing

      Isa
      May 2016
    • Ohsas 18001 lead auditor - health & safety certification

      Irca | international register of certificated auditors
      Oct 2017
    • Power system protection testing with omicron cmc 356

      Omicron electronics
      Feb 2018
    • Omicron cpc80 and td1

      Omicron electronics
      Feb 2016
    • Insulation analyzer dobble m4100

      Prescon engineering pvt limited
      May 2017
    • Advancer power system protection training program by mr. barrie moor

      Global industries intelligence
      Jan 2017
    • High impedance busbar differential relay type mib

      Epesol
      Apr 2018
    • Managing safely

      Iosh
      Apr 2018
  • Honors & Awards

    • Awarded to Muhammad Rizwan Jafar
      Certificate of Appreciation Syed Moonis Abdullah Alvi (CEO K. Electric) & Abbas Husain(CGTO K. Electric) Nov 2022 In recognition of exemplary services rendered during execution of highly integrated substation capacity enhancement project.
    • Awarded to Muhammad Rizwan Jafar
      KE Champions PIN Abdul Saleem (Director Grids, KE) Aug 2022 On fast pace installation of capacitor unbalance protection relays on 38x Capacitor banks of Karachi South region.
    • Awarded to Muhammad Rizwan Jafar
      Letter of Appreciation Khalid Javed (DCTGO, KE) & Muhammad Adil (DCTO, KE) Jan 2017 Letter of Appreciation on performing exceptional services during complete in house commissioning of early warning & Visual Alarm inspection system in 11kV Switch Board.