Mahendra Singh HADA

Experience

• 

  Power Grid Corporation of India Limited

  Apr 2004 - Dec 2023

  Responsibility includes: * Developed EHV and HV (AIS & GIS) substation Single Line diagrams, layouts, elevations, lightning zones based on site inputs for 400kV, 220kV transmission substations* Prepared Technical specifications for procurement, testing and installation of primary side substation equipment.* Prepared cost estimates tender documents for EPC execution works of greenfield and brownfield substation projects* Preparation of standard technical specification for Gas Insulated Sub-Station Show less Responsibilities includes:* Managing a team of engineers that looks after the Primary and Secondary assets lifecycle. The Primary asset includes Transformer, Reactor, Switchyard equipment i.e. CB, CT, CVT, SA etc. The secondary assets involve protection relays, DC system, communication equipment and metering.* Coordination with control centre for planned and emergency outage of Transmission system.* Testing & commissioning of various 765kV, 400kV and 220kV Sub-stations.* Protection setting co-ordination of High Voltage system in Ethiopia as protection expert on behalf of POWERGRID, India.* Attend world renowned "Analysis and protection of Power System (APPS) course" at ALSTOM Grid, Stafford, UK. Show less Responsibilities include:* Assign the task of Regional Asset Management team of Northern Region, major load centre of India.* Developing the strategy for asset management as part of the overall asset management plan AMP.* Calculation and co-ordination of Relay Setting of Feeders/Transformer/Reactor and Bus Bar protection used in EHV transmission lines in Complex Grid of India after Grid failure events in July, 2012 in India.* Commissioning team member of 765kV Sholapur-Raichur Line which Synchronised the Southern Grid with rest of Grid and target of "One Nation, One Grid" achieved.* Commissioning of various 765/400/220kV Sub-Stations in Northern Region.* To overcome the inherent limitation of fault location in Impedance relays, Omicron make Actual line impedance measurement kit is first time purchased and extensively utilized in Northern Grid.* Installation of Qualitrol make Travelling wave based fault locator on pilot basis in Northern Grid Show less Responsibilities included:* Construction of 400kV D/C Transmission Line in hilly terrain* Construction of 400kV Sub-Station* Commissioning of ABB make 670 series Feeder, Transformer, Reactor protection and 500 series Bus Bar Protection including IEC 61850 bases SAS system (Micro SCADA) which is one of the latest technology in India at that time.* Annual Maintenance of Switchyard equipment including Transformer, Reactor, Circuit Breaker, CT, CVT etc.* Routine reviews of existing substation and associated feeder protection* Investigation of protection settings following unexpected operations during faults. Show less

  • Deputy General Manager (Engineering)

    Nov 2018 - Dec 2023

  • Chief Manager

    Apr 2018 - Oct 2018

  • Manager

    Apr 2014 - Mar 2018

  • Deputy Manager

    Apr 2011 - Mar 2014

  • Senior Engineer

    Apr 2008 - Mar 2011

  • Engineer (Sub-Station)

    Apr 2005 - Mar 2008

  • Executive Trainee

    Apr 2004 - Mar 2005
• 

  IndiGrid

  Dec 2023 - now

  Head-Sub Station