Tag: NON DBDS

We are very honored to have participated in the workshop “Treatment Technologies for Transformers’ Corrosive Sulphur” organized by our saudi partner GCC Lab in Damman (Saudi Arabia) the 26 and 27 Sept. 2022.  The event was attended by 50 engineers/technicians from different clients of GCC Lab and was focused on Asset Integrity Management. Sea Marconi attended the event with 4 very high profile speakers: Cristina Tumiatti (Global Business Development Director),

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Scenario Nameplate data of transformer: Transformer: grid transformer Manufact: xxx Year: 1957 Power [MVA]: 50 Voltage [KV]: 225 Oil Mass [Kg]: 38.000 Oil type: blended mineral oil Trasformatore affetto da PCB e presenza di composti corrosivi solforati Solution Selective depolarization treatment (Chedcos) in order to remove corrosive sulfur compounds and dehalogenation treatment (CDP Process®) in order to remove the PCBs from oil and transformer. The treatment wasLeia mais

Scenario Hydro power plant with 3 GSU transformers Nameplate data of the transformer: Manufact: xxx Year: 1965 Power [MVA]: 80 Voltage [KV]: 220 Oil mass [Kg]: 35.000 Oil type: naphthenic blended Solution Selective deplarization treatment (Chedcos) in order to remove the corrosive sulfur compounds and dehalogenation treatments (CDP Process®) in order to remove the PCBs from the oil and the transformers. the tratments were performedLeia mais

Scenario Steel Factory: 8 Equipment Nameplate data of the transformers: Namufact: xxx Year: 1973 Power [MVA]: 85 Voltage [KV]: 63 Oil mass [Kg]: 18.150 Oil type: naphthenic blended Fingerprint dell’olio. Si evidenzia la presenza di composti solforati responsabili della corrosività dell’olio Solution Selective depolarization treatment (Chedcos) in order to remove the corrosive sulfur compounds and dehalogenation treatments (CDP Process®) in order to remove the PCBs from the oilsLeia mais

Scenario Il classico trattamento con terre follari si dimostra totalmente inefficace contro lo zolfo corrosivo Caratteristiche tecniche del trasformatore: Costruttore: xxx Anno: 1969 Potenza [MVA]: 14 Tensione [KV]: 63 Massa olio [Kg]: 4.200 Tipo di olio: Esso Univol 54 Fingerprint dell’olio. Presenza di composti solforati NON DBDS Il trattamento con terre follari (NON da Sea Marconi) non ha prodotto alcun risultatoLeia mais

Cenário Central térmica com 8 transformadores elevadores Características técnicas dos transformadores : Fabricante: xxx Potência [MVA]: 370 Tensão [KV]: 400 Massa de óleo [Kg]: 58.000 Tipo de óleo: óleo blendado As análises e diagnósticos de 2011 destacaram: Enxofre total = 5700 mg/Kg TCS (Total Corrosive Sulfur) = 104 mg/Kg (equivalente a DBDS) Teste CCD = corrosivo DBTP (dibenzotiofeno) = 42Leia mais

Scenario Thermal power plant with 8 GSU transformers Nameplate data of the transformers: Power [MVA]: 175 Voltage [KV]: 400 Oil type: naphthenic oil C2 – Corrosione NON legata a DBDS Step 1 The diagnosis in the 2009 showed: Total sulfur = 200 mg/Kg TCS (Total Corrosive Sulfur) = 157 mg/Kg (DBDS eq.) CCD Test = corrosive IFT = 19 mN/m DBTPLeia mais