Scenario

Company in the chemical business, 4 GSU transformer

Nameplate data of the transformer:

Manufatc: xxx
Year: 2000
Power [MVA]: 47
Voltage [KV]: 34
Oil mass [Kg]: 12.000
Oil type: naftenico

Solution

Solution: Selective depolarization treatment (Chedcos) performed on-ste and on-load (transformer in service e fully load during the treatment).

The treatment has guaranteed DBDS < 10 mg/kg.

Before treatment

After treatment

DBDS [mg/Kg] 125 < 5
H2O [mg/Kg] 7 3
TAN [mg KOH/g] < 0,095 < 0,01
DF 0,0190 0,0033

Identified Critical issues


Applied solutions

Contact us to learn more about your case





    I read the privacy information and authorize the use of my personal data for the purposes specified therein.
    Insert this code: captcha






      Ho letto l'informativa e autorizzo il trattamento dei miei dati personali per le finalità ivi indicate.
      Inserisci questo codice: captcha





        I read the privacy information and authorize the use of my personal data for the purposes specified therein.
        Insert this code: captcha






          J'ai lu les informations et j'autorise le traitement de mes informations personnelles aux fins indiquées.
          Entrez ce code: captcha





            He leido la informaciòn y autorizo el procesaimento de mi datos personal pera los fines allì indicados.
            Insert this code: captcha





              I read the privacy information and authorize the use of my personal data for the purposes specified therein.
              Insert this code: captcha