GAIL (India) Limited-Faridabad
  • Home
  • GAIL (India) Limited-Faridabad

Supply, Installation, Testing & Commissioning of 11 KV Grid Power Station for GAIL, Chhainsa Compressor Station

  • Client : GAIL (India) Limited-Faridabad

  • Location: Chhainsa Compressor Station, Faridabad, Haryana

  • Industry : Oil & Gas

Project Scope

110 KV Equipment:
  • Supply: Procurement of all necessary materials and equipment for the 11 KV Grid Power Station.
  • Installation: Setting up of the power station, including all electrical and civil works.
  • Testing & Commissioning: Conducting thorough tests to ensure the system operates efficiently and safely before handing it over to GAIL.

Detailed Scope of Work

Supply of Materials and Equipment

110 KV Equipment:

  • Supply, installation, testing, and commissioning of a 1600 KVA PSS.
  • Acceptable makes: ABB, Siemens, Schneider.
  • Technical details: 11 KV transformer, 433V LV system, IP-54 protection for MV & LV
    compartments.
  • Enclosure construction: 2 mm thick painted GI material, natural ventilation, IP-34
    protection for transformer compartment.

High Voltage Switchgear:

  • Supply of 11 kV switchgear with vacuum circuit breaker modules.
  • Protection: Microprocessor-based numerical overcurrent and earth fault relay protection.
  • Interconnection: 1C x 3R x 120 sq.mm Aluminum XLPE cable.

Interconnection:

  • 1600 KVA, 11KV/433V, DYN-11, oil type, hermetically sealed.
  • Standards: > IS: 2026 and IS: 1180(part-I).
  • Accessories: Winding temperature indicator with alarm and trip contact.

Outdoor Enclosure:

  • 1.5 mm (non-load bearing) and 2.0 mm (load bearing) thickness GI sheet steel
  • Protection: IP-54 for HT & LT switchgear compartment, IP-23 for transformer compartment.
  • Construction: Modular, robust, with IP-54 degree of protection.

Low Voltage Panel:

  • Design, manufacturing, and assembly of fully compartmentalized switchboard.
  • Busbar: High conductivity (99%) ETP – Electrical grade copper or 50-55% Aluminium.
  • Protection: Microprocessor-based IDMT relay for circuit breakers

Cables and Accessories

  • Supply and laying of various sizes of aluminum and copper cables.
  • Cable terminations, including tinned copper, heavy-duty crimping lugs, and double compression glands
  • Cable trays and supports: Fabrication and installation of GI perforated cable trays.
Installation
  • Civil Works:
  • Excavation and backfilling for foundations.
  • Concrete work: Plain and reinforced cement concrete for foundations, plinths, and other structures.
  • Reinforcement: Supplying and placing high-strength deformed steel bars.
  • Structural steel works: Fabrication and erection of structural steel supports
Electrical Installation:
  • Installation of all electrical equipment, including transformers, switchgear, and panels.
  • Wiring and connections: Ensuring all electrical connections are secure and meet safety standards.
  • Testing: Conducting insulation resistance tests and continuity tests.

Testing & Commissioning
System Testing:

  • Testing of all electrical systems, including transformers, switchgear, and panels.
  • Verification of protection relays and circuit breakers.
  • Load testing to ensure the system operates efficiently under load conditions.

Commissioning:

  • Commissioning of the entire power station to ensure it is fully operational.
  • Final checks and balances to ensure all systems are running smoothly.
  • Handing over the power station to GAIL with all necessary documentation and as-built drawings.

Our Projects

Challenges Faced

Technical Challenges
  • Complex Electrical Systems: The project involved complex electrical systems that required precise installation and calibration.
  • High Voltage Safety: : Ensuring safety during the installation and testing of high voltage equipment was a significant challenge.
Logistical Challenges
  • Material Procurement: Sourcing high-quality materials and equipment within tight timelines.
  • Site Accessibility: The project site had limited accessibility, making transportation and logistics more challenging.
Regulatory Compliance
  • Adhering to stringent safety and environmental regulations during the project execution.

Overcoming Challenges

Technical Expertise
  • Employing a team of experienced electrical engineers and technicians who were well-versed in handling high voltage systems.
  • Conducting regular training sessions to ensure all team members were up-to-date with the latest safety protocols and technical advancements.
Logistical Solutions
  • Establishing strong relationships with reliable suppliers to ensure timely delivery of materials.
  • Implementing efficient transportation and logistics plans to overcome site accessibility issues.
Regulatory Compliance
  • Conducting regular safety audits and compliance checks to ensure all activities adhered to the required standards.
  • Engaging with regulatory bodies to stay informed about any changes in regulations and ensuring timely compliance.

Project Completion and Handover

We are proud to announce that this project has been successfully completed, meeting all the specified requirements and timelines. Our team’s dedication and expertise ensured seamless execution and delivery, contributing to the robust power infrastructure of the region.