GIS Services

The Director’s of NEVERA INFRATECH have been in the field of GIS for more than 15 years and having overall 31 years of varied experience in the fields of Engineering, Procurement,Erection, Testing, Commissioning, High Voltage Testing, Field Services and Project Management in India as well as various other Countries.

We would like to stress that we specialize in rendering GIS (Gas Insulated Switchgear)services for Erection, Testing, Commissioning and HV Testing.We have recently bagged an order for Erection, Testing and Commissioning of 400KV& 220KV GIS of M/S ALSTOM Make which is being executed for the Client M/S Neyveli Lignite Corporation, Neyveli,Tamilnadu which is in progress from the 1stWeek of November 2016. We have completed the ETC of 400KV GIS at JSW, Bellari and the substation is energized. This was an Extension of 2 Bays of Alstom Make GIS. We have completed a project at KURUKSHETRA for the Erection, Testing & Commissioning of M/S ALSTOM Make 400KV 29 Bays and 220KV 13 Bays which would be the largest 400KV GIS in India. This Project is being executed for the client M/S PGCIL.The 400KV & 220KV GIS at Kurukshetra has been Energised. We have completed the GIS Installation and Commissioning works at North Chennai Thermal Power Plant for ETC of total Switchyard package comprising M/S AREVA Make 400KV GIS of 18 Bays with 2Kms of GIB, 230KV GIS of 5Bays with 1.5Kms of GIB and all the auxiliary works including C&R panels,Transformers, Port yard equipment’s and etc. This Site has been Energised. We are having a work force of 10 Experienced Engineers and 60 Technicians (Skilled + Unskilled) and we are capable of mobilizing manpower in any numbers both skilled and unskilled at any given point of time. We have been also Supplying Skilled Manpower to Various Projects for the Erection & Commissioning of GIS from a long time.

We have executed & having the capacity to execute the following activities in GIS switchyard:

INSTALLATION ACTIVITIES

  • Civil Survey and Reference Pins Plotting

  • Marking and Drilling of Holes as per requirement

  • Circuit Breakers Installation

  • Circuit Breakers Alignment

  • CT Installation

  • Vertical Enclosures Installation

  • Common Point Installation

  • Bus bar Installation (as per scheme)

  • VT Installation

  • GIB Installation

  • Bushings Installation

  • Pressure Sensors/Monitoring Devices Installation

  • Bursting Discs Installation

  • Partial Discharge Sensors Installation

  • Transformer Connections with GIS

LOCAL CONTROL CUBICLES

  • LCC Installation

  • Cabling and Termination between LCC & GIS

SF6 GAS TREATMENT

  • Vacuum of Compartments

  • Filling of SF6 Gas to Designed Nominal Pressure

  • Recovery and Filling of SF6 Gas when necessary

TESTING ACTIVITIES

  • Contact Resistance Measurement

  • CB Timing Testing

  • Pressure Sensors Threshold Testing

  • MCB, Voltmeter, Ammeter, Under Voltage Relay Testing

  • CT Testing

  • VT Testing

  • HV Testing & Testing assistance

  • Insulation Test

We have executed the above activities in the following sites in India & Other Countries:

Supervision of ETC & HV Testing With the Suppliers Kit

MAKE : ALSTOM / AREVA, A few Sites Listed Below

  • LAT PHRAO, BANGKOK, THAILAND

    • 220KV – 15 Bays

  • ON NUCH, BANGKOK, THAILAND

    • 500KV – 9 Bays

  • NAVA NAKHON, BANGKOK, THAILAND

    • 220KV – 15 Bays

  • LNG, IRAN

    • 220KV – 24 Bays

  • SOUTH PARS, IRAN

    • 400KV – 11 Bays

  • SIRTE-EXTN, LIBYA

    • 400KV – 4 Bays

  • ZAWIA, LIBYA

    • 400KV – 16 Bays

  • NUREK, TAJIKISTAN

    • 220KV – 17 Bays

    • 500KV – 20 Bays

TOTAL ETC of GIS Switchyard

ONGOING PROJECTS

  • Neyveli Lignite Corporation, NEYVELI

  • GE / ALSTOM GIS

    • 400KV – 15 Bays

    • 220KV – 15 Bays

  • JSW ENERGY, BELLARI

  • ALSTOM / AREVA GIS

    • 400KV – 2 Bays

EXECUTED PROJECTS

  • HVDC KURUKSHETRA

India’s Largest 400KV GIS

  • ALSTOM / AREVA GIS

    • 400KV – 29 Bays

    • 220KV – 13 Bays

  • North Chennai Thermal Power Station

  • ALSTOM / AREVA GIS

    • 400KV – 18 Bays

    • 230KV – 5 Bays

Technical Support  for ETC of GIS Switchyard

  • BGR Energy, Mettur, Tamilnadu

  • ALSTOM / AREVA GIS

    • 400KV – 14 Bays

    • 230KV – 9 Bays

  • ABB, Ratnagiri, Maharashtra

  • ABB GIS

    • 400KV – 13 Bays

  • LANCO, Kondapalli Stage-III, Andhra Pradesh

  • ALSTOM / AREVA GIS

    • 400KV – 6 Bays

  • LANCO, Kondapalli Stage-II, Andhra Pradesh

  • ALSTOM / AREVA GIS

    • 400KV – 6 Bays

  • Vijai Electricals, Erragadda, Hyderabad, Andhra Pradesh

  • XD Chinese GIS

    • 220KV – 9 Bays

    • 132KV – 13 Bays

  • Vijai Electricals, Osmania University, Hyd, Andhra Pradesh

  • XD Chinese GIS

    • 220KV – 7 Bays

    • 132KV – 12 Bays

Apart from the GIS activities, we have the competency to take up the following activities:

  • Testing and Commissioning of Electrical Equipment’s

  • Engineering for all types of Electrical Works

  • Engineering for Hydro Power Plants

  • Erection and Commissioning of Hydro Power Plants

  • Piping Works for all industrial applications

  • Instrumentation and Control Systems for Power Plants

Our capabilities to execute at a good pace with the best Quality and high Safety standards as per requirement of the customers are one of the best in the present market with our very good competent workforce having experience of about more than 10 years in India and abroad. We have been rendering our best services to our present customers. We now honestly seek to associate ourselves with your esteemed organization and sincerely hope that we will be given an opportunity to extend our most sincere, efficient and real time services to you.

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