References and Applications

Oil & Gas Projects

For last 20 years, celduc transfo transformers have been famous in a lot of Oil & Gas projects.
Our references : TOTAL, SHELL, PERENCO, LEROY SOMER, EMERSON, EXXONMOBIL, G.E, ABB, HYUNDAI, SAMSUNG…

transfo ONAN Respirant plateforme

Production
Oil pumping : Transformer, supply by a VSD (Variable Speed Device), allows to regulate the voltage at the bushing of the pump depending on oil well parameters.
Offshore platform : Transformer is used for the electric supply for platform auxiliaries or pump. It must be specifically protected against corrosion and can also be designed to be settled in hazardous area (IECEX).

Transport/Stocking
celduc transfo provides transformers for supplying of compressor allowing to oil transport or gas stocking in underground cavity.
Example of installations:
  • AKPO, the FPSO barge located offshore Nigeria.
  • MOHO BILONDO, offshore application near Congolese coast.
  • GIRRI, oil extraction in Angola.
  • SONAHESS, gas wells in Algeria.
  • ICHTHYS, gas wells at the North of Australia.
Transformation

celduc transfo equip also refinery : transformer adapt voltage level between network or supply fans engines.
Especially in France on Feyzin, Donges, Le Havre for TOTAL and at Notre-Dame-de-Gravanchon for EXXONMOBIL company.

Sailing propulsion

celduc transfo provides transformers to supply propulsion of bigger cruise ships than ever built such as:
  • Queen Mary II, Crystal Serenity, Magnifica, Preziosa… built for les Chantiers de l’Atlantique (STX)
  • Carnival Liberty, Carnival Freedom, Carnival Serena, Princess Cruises… built by Fincantieri
  • Disney Dream, Disney Fantasy… built by Meyer Werft
celduc transfo also equip military ships :
  • Mistral, Tonnerre, Dixmude for the French Navy
  • Gamal Abdel Nasser and Anouar el-Sadate for the Egyptian Navy
Carnival Freedom transfo Carnival Freedom













Electrical power plant

transfo centraleWith a strong experience, celduc transfo propose different products around the electrical generation.
For thermal plants:
  • Elevator evacuation transformers for small plants, cogeneration or biomass types for ELYO Amiens, COFELY Orléans.
  • Transformers for turbine launching,
  • Feeding transformers supplying auxiliaries. It must be perfectly adapted to high short-circuit power.
For hydraulic plants:
Elevator evacuation transformers, feeding transformers or transformers for alternator launching in case of installations pumping/turbining.

For R.E :
  • Photovoltaic (Esparon, Tenesol)
  • Hydrolien (Paimpol-Brehat)
Thus celduc transfo equip multiple installations worldwide.
From electrical power plant to hydro electrical barrage :
  • In Cameroon on LOGBABA site, 17 MVA transformers (2007)
  • In Mauritania on NOUADHIBOU site, 14,5 MVA (2009)
  • In Germany on LEIPZIG and BAD AROLSEN plants, 7 MVA transformers (2009)
  • In Mali on BALINGUE site, 15 MVA transformers (2010 and 2015)
  • On the Saint-Martin Island in La baie de la potence plant, 11 MVA transformers (2015)

Cement industry

cimenterie celduc transfo is also very present in the cement industry.
Our references: ABB, LAFARGE, HOLCIM, CIMAT, NIDEC ASI

Our transformers supply crushers and fans motors.
Multiple sites have been equipped in Europe, Asia, Africa… here are some examples :
  • SIBLINE in Lebanon, 5 000 kVA transformers (2008),
  • ABIDJAN in Ivory Coast, 4 700 kVA transformers (2012),
  • CASABLANCA in Morocco, 3 150 kVA transformers (2014),
  • AL SFWA in Saudi Arabia, 4 500 kVA transformers (2015).


Foundery – Steel Industry

celduc transfo work with oven manufacturers, but also for foundry piece production sites :
  • In France : P.S.A, FONDERIE DU MANS, FONDERIE DE VENISSIEUX
  • In Allemagne : OTTO JUNKER, ABP, SILBITZ, KLAUS KUHN
  • In the USA : AJAX TOCCO
celduc transfo also manufacture transformers providing strong current levels for flatting mill cage supplying : ARCELORMITTAL (Dunkerque site, Gueugnon, Basse Indre) and APERAM (Imphy site).

transfo plaques fonderie

Compressor station / Motor starting

celduc transfo manufactures transformers working in Intermittent Duty such as :
  • Starting autotransformers : autotransformers allows to supply a motor under reduce voltage when starting it while reducing the absorbed current on the network.
  • Intermittent duty transformers : are cheaper than a transformer with same rated power working in Continuous duty.
Our references : ALSTOM, AIR LIQUIDE, DRESSER RAND, G.E, EUROLYSINE, P.S.A

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Network protection

transfo homopolairecelduc transfo manufactures homopolar generators or neutral reactors to report default on distribution networks.

The earthing of a medium voltage without neutral or protection of alternator masses can be carried out using a homopolar generator associated to a resistor connected on the low voltage end.
This generators is like a three-phase transformer with two windings and free flux (or forced).
This transformer has a primary winding (medium voltage) which is star connected, with its neutral connected to the earth. The secondary is delta connected on a resistor.
During normal operation, the voltage across the terminals of the secondary is zero and no current flows through the resistor.
When a default occurs on a phase, the neutral point’s displacement on the primary makes appear an homopolar voltage on the terminals of secondary.
At this moment, a current flows through the resistor : which is done a default indication.