Power Grid Corporation of India Limited (PGCIL) – Madurai Substation
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Design, Supply, Erection, Testing & Commissioning of New LT AC System & Dismantling of Existing LT System at Madurai Substation

  • Client: Power Grid Corporation of India Limited (PGCIL)- Madurai
  • Industry: Electricity transmission
  • Location: Madurai Substation

Items Supplied

Indoor Components of LT System
  • 415V AC Main Switch Board (MSB)
  • 415V AC Switchyard Distribution Board (ACDB)
  • 415V ACDB Extension Panels (Outdoor Closed Type) for Colony Main Supply
  • 415V AC Main Lighting Distribution Board (including two lighting transformers)
  • 415V AC Emergency Lighting Distribution Board (including one 100KVA lighting transformer)
  • 415V AC Emergency Diesel Switchgear
  • 415V ACDB for Colony Lighting (Outdoor Type)
  • 415V Air Conditioning Distribution Board (DB)
  • 48V DC Distribution Board (DCDB)
  • 220V DC Distribution Board (DCDB)
  • Mandatory Spares as per BOM

Outdoor Components of LT System

  • 630KVA, 11kV/0.433KV DYn1 Transformer
  • 12kV, 400A, Horn Gap Fuse (1 Phase) with Support Insulator
  • 12kV, 3Phase, 630A, 25KA, Manual Operated HDB (without Earth Switch, Beam Mounted)
  • 11kV Post Insulators (1 Phase)
  • 9kV, Class-III Surge Arrestor (1 Phase)
  • 11KV/110V Potential Transformer (1Ph)
  • 11KV Erection Hardware (as per attached BOM)
  • 1Cx630sqmm Al.XLPE Cable (including Clamps, Glands, Lugs & Straight Joints)
  • 3.5Cx300 Sqmm XLPE Cable (including Clamps, Glands, Lugs & Straight Joints)
  • 10CX2.5Sq.mm Control Cable (including Clamps, Lugs & Glands)

Our Projects

Challenges and Solutions

Coordination and Integration
  • Challenge: Ensuring seamless coordination between the supply of goods and services to meet the project timeline.
  • Solution : Implemented a robust project management system to closely monitor and synchronize the delivery and installation schedules. Regular meetings with the client and on-site teams ensured timely resolution of any issues.
Logistical Complexity
  • Challenge: Managing transportation and handling of heavy equipment and materials to the site
  • Solution: Partnered with experienced logistics providers who specialize in heavy equipment transportation. Conducted thorough route surveys and planned transportation schedules to avoid peak traffic times, ensuring timely delivery.
Technical Execution
  • Challenge: Meeting stringent technical specifications and performance criteria.
  • Solution: Employed a team of experienced engineers and technicians who conducted rigorous quality checks at every stage of the project. Utilized advanced testing equipment to ensure all components met the required standards before installation.
Safety and Compliance
  • Challenge: Ensuring the safety of workers and compliance with all regulatory standards.
  • Solution: Conducted comprehensive safety training for all personnel involved in the project. Implemented strict safety protocols and regular inspections to ensure compliance with industry standards..
Environmental Considerations
  • Challenge: Minimizing the environmental impact of the project.
  • Solution: Adopted eco-friendly materials and construction practices. Implemented waste management plans to ensure proper disposal and recycling of materials.

Project Significance

This project is a significant step towards modernizing and enhancing the power transmission infrastructure in Madurai. It demonstrates our commitment to delivering high-quality, reliable, and efficient solutions that meet the evolving needs of the power grid