Oil HV/LV distribution transformers (ENG) - Trinet

HV/LV distribution transformerspole mounted immersed transformersfrom 50 to 160 kVAinsulation 24 kV / 400 VdescriptionThis range consists of transformers complyingwith the following specification: three-phase transformers, for pole mountingin overhead systems. For the hanging on poles,in an inclined position, they are equipped with ahook in accordance with EDF technical specificationHN 52 S 20 (1986); step-down type (1) ; rated frequency: 50 Hz (6) ; maximum ambient temperature: 40°C (5) ; mineral oil immersed (1) ; hermetically sealed with integral filling (1) ; bolted cover on corrugated tank; ONAN type natural cooling; anti-corrosive treatment: tank and cover fullyhot dip galvanized; anti-corrosive coating; final colour grey RAL 7033.standardsThese transformers comply with (1) :– IEC standards;– French standards NF C 52-100 (1990) andNF C 52-112-1 (1994);– “Electricité de France” technical specificationHN 52 S 20 (1986);– CENELEC harmonization documentPR-HD 428-5.basic fittingsEach tranformer includes: 1 off-circuit tappings switch with padlockinglocated on the cover; this switch operates onthe highest rated voltage to bring the transformerto the supply voltage-actual value; 3 HV porcelain bushings on the cover; 4 LV porcelain bushings - 250 A on the smallside of the tank; 1 LV bushing protection (only for storage andhandling); 1 earthing terminal on the hanging device; 2 lifting and untanking lugs; 1 rating plate fixed on the small side of thetank; 1 filling plug; protection index IP 00.optionsThe following fittings may be provided as anoption: 3 special “seaside” HV porcelain bushings; 3 HV mobile plug-in connectors 250 A / 24 kV,straight or elbow (the cable characteristicsshould always be specified); polyester box equipped with Gardy circuitbreakers: D 165 for 50 and 100 kVA; D 265 T for 160 kVA,protection through thermal image tripping device: 3T/6T bicalibre up to 100 kVA inclusive; 7T for 160 kVA;Note: Gardy circuit-breakers are in accordancewith EDF specifications HN 63 S 11 (1984) andapproved by EDF technical departments. manual mechanical control, lockable in bothpositions (connected or disconnected).The circuit-breaker box and its mechanicalcontrol can not be mounted on poles of differentsection or nature.Note: the above options concern usual casesand are not restrictive. For other information,please consult us.Ce transformateur est garanti réalisé avec desconstituants neufs et exempts de tout élémentde récupération susceptible d’avoir été polluépar des PCB.We warrant that this transformer has beenmanufactured with new material and is totallyfree from second hand parts polluted with PCB’s.Label stuck on all transformers.France Transfo guarantees that its transformers areassembled using components that are both new andPCB-free (< 2 ppm level), in strict compliance with thecurrent standards.

HV/HV power transformersimmersed transformersfrom 5 to 60 MVAfor 7.2 to 123 kV systemsdimensions and weightsTypical dimensions and weights are indicated inthe table below for mineral oil immersedtransformers, completely set up* with a standardtype cooling.They correspond to transformers intented forsystems of 7.2 to 72.5 kV having electricalcharacteristics as indicated in the previous table.For other voltages, other characteristics orwhen the transformers are immersed in anotherdielectric, dimensions and weights would bedifferent, please, consult us.ONAN type coolingrated power with off-voltage tappings switch with on-load tap changer(MVA) dimensions (mm) total dimensions (mm) totalA B C E weight (kg) A B C E weight (kg)rated insulation level 24 kV5 2700 2100 2500 1000 8500 3400 2200 2550 1000 1000010 3750 2450 3500 1500 17000 3800 2500 3500 1500 1900020 4300 3900 3600 1500 26500 4600 3900 3600 1500 2700025 4000 3900 3800 1500 35000 4100 3900 3800 1500 3700031 à 60 consult usrated insulation level 36 kV5 3300 2400 2950 1000 11000 3600 2400 3000 1000 1300010 3900 3300 3600 1500 18000 3900 3400 3600 1500 2000020 4400 3950 3700 1500 27000 4700 4000 3700 1500 2900025 4200 4300 4000 1500 36000 4800 4300 4000 1500 3800031 to 60 consult usrated insulation level 72.5 kV5 4100 2600 3300 1000 1700010 3900 3400 3500 1500 18000 4000 3900 3600 1500 2200020 4500 4000 4000 1500 27000 5000 4100 4000 1500 3200025 4400 4600 4300 1500 41000 5000 4600 4300 1500 4300030 consult usODAF type coolingrated power with off-voltage tappings switch with on-load tap changer(MVA) dimensions (mm) total dimensions (mm) totalA B C weight (kg) A B C weight (kg)rated insulation level 72.5 kV20 3500 2700 4000 21000 4500 3000 4000 2300025 4000 3000 4300 25000 4700 3000 4300 28000rated insulation level > 72.5 kV, consult us.* For the protection of some components or the compliancewith the railway or road regulations, the transformers couldbe delivered partially dismantled.EATransformers 5 MVA, with off-voltage tappings switch.D* : hauteur sur capot de protection BT ;montage possible uniquement lorsque la MTCest équipée de prises embrochables.EATransformers 5 MVA with on-load tap changer, or 10to 25 MVA with off-voltage tappings switch or withon-load tap changer.ATransformers 20 to 25 MVA, with off-voltage switch oron-load tap changer.Casual arrangements such as bars and cables supports, flexible connectors, etc. are to be provided the contractors in order to avoid mechanical stresses on the transformer flat-bars and bushings.Due to the evolution of standards and materials, the presentdocument will bind us only after confirmation from ourtechnical department.France TransfoBP 10140F 57281 Maizières-lès-Metz Cedextel. (+33) 03 87 70 57 57 - fax (+33) 03 87 51 10 16Ref : GEa.05 cCCBBBEdition France Transfo - SA au capital de 10 280 000 FRF - RCS Metz B 357 801 109 • Imprimé en France • Composition et illustrations : COREDIT • 09/96