References

Power

Transmission

"Turnkey" HVB Substation

RTE (Réseau de Transport d’Electricité)
Engineering and "turnkey" completion of a 400 KV / 225 KV substation with a capacity 600 MVA in La Capelle (F).
This project involves:

  • The sizing studies for the 3ha platform, foundation bases, roads, concrete works,
  • Taking delivery of the transformer, while managing the acoustic problems as well as supervising and inspecting the civil works,
  • The engineering, erection and connecting the HVB 400 and 225kV works with the associated monitoring & control,
  • Completing a double link using 225kV underground cables between the 2 substations

"Turnkey" HVB/HVA Substations

EDF REUNION :Refurbishing the ERDF distribution substation in Moufia
Within the framework of the refurbishing of the ERDF distribution substation in Moufia on Reunion island, comprising three 36MVA / 63 KV transformers, EDF awarded CLEMESSY the contract for the engineering, purchases, erection and commissioning of the electrical installation for :

  • Civil engineering work,
  • complete refurbishing of 12 HVB cubicles and associated HVA,
  • refurbishing of the associate monitoring system,
  • changing the grounded neutral point connection on half a unit


Senegal National Electricity Company (SENELEC)
Turnkey completion of 4 substations :

  • HANN 90/30 kV substation,
  • BEL AIR 90/30 kV substation,
  • MBOUR 225/30 kV substation,
  • MBAO 90/30 kV substation.

HVB Substation

RTE - TEE - GIMR
Creating a new substation on the Logelbach - Vogelgrun 225kV line and installation a second 225/63kV 100MVA autotransformer in the Guebwiller substation.
Clemessy implemented the following :

  • two 225kV line cubicles,
  • one 225kV transformer connection cubicle,
  • one 225kV double busbar with a capacity of 4000A,
  • one 63 kV incoming feeder cubicle,
  • one 225/63kV transformer bank in sound-proofed enclosure,
  • one 63kV underground link (1200 mm²),
  • preparing the administrative files and performing the detail engineering (public survey, PC, implementation plan,…),
  • the civil engineering,
  • installation of the structural work and the equipment,
  • the HVB/HVA/LV connections as well as completing HVB taut lines.

Switchyard

SOMELEC MAURITANIA : Extension of the Nouakchott Thermal Power plant
Within the framework of the project involving the extension of SOMELEC’s Nouakchott Thermal Power plant in MAURITANIA, CLEMESSY carried out the following : the engineering, purchases, erection and commissioning of the electrical installation works.
Main equipment :

  • 33/15 kV substation,
  • turnkey construction of a 18m x 12m Service Building,
  • 9 33 kV cubicles,
  • 15 15 kV cubicles,
  • 2 33/15 kV 16 MVA transformers,
  • 2 50 kVA auxiliary transformers,
  • 13 km of MV 3x1x630 Aluminium cable

Maintenance

RTE: Maintenance of the RTE SPOT 1 PESSAC substation
Within the framework of the project involving the increase in the power capacity from 100 MVA to 170 MVA of the PESSAC (F) Substation, RTE awarded CLEMESSY the contract for the following works :

  • Replacing the 225/63 kV transformer,
  • Replacing the circuit breaker and disconnecting switch,
  • Bringing the transformer bank into conformity,
  • Removing and laying 63 KV 2x3x600mm² cables,
  • Building a storage area for the transformers and handling them.