ZNAČAJ KONTROLE SADRŽAJA GASOVA U ULJU TOKOM PRIJEMNIH FABRIČKIH ISPITIVANJA TRANSFORMATORA

37. savetovanje CIGRE Srbija (2025) SIGURNOST, STABILNOST, POUZDANOST I RESILIENCE ELEKTROENERGETSKOG SISTEMA MULTISEKTORSKO POVEZIVANJE U ENERGETICI I PRIVREDI – A2.08

AUTOR(I) / AUTHOR(S): Vesna Radin, Branka Đurić, Đorđe Jovanović, Miloš Brdarević

 

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DOI:  10.46793/CIGRE37.A2.08

SAŽETAK / ABSTRACT:

Dissolved gas analyses (DGA) of oil are routinely used as a standard quality control procedure during factory tests of power transformers. The factory acceptance tests (FAT) represent the final and critical step in ensuring quality before the transformer leaves the factory. This paper discusses the significance of dissolved gas analysis within the context of factory testing of transformers. Several cases demonstrating different oil analysis protocols applied to both, new and repaired transformers were presented. Recommendations are provided for enhancing the factory tests for overhauled transformers to verify the repairs conducted before they leave the factory and are put into operation.

KLJUČNE REČI / KEYWORDS:

fat, oil, acetylene, gas, fault, defect

PROJEKAT / ACKNOWLEDGEMENT:

LITERATURA / REFERENCES:

  • SRPS EN 60076-2:2011 Energetski transformatori – Deo 2: Porast temperature kod transformatora uronjenih u tečnost
  • EPS IS 09-1:2014 Prijemna ispitivanja energetskih transformatora, EPS interni standard
  • IEC 61181:2007 second edition, Mineral oil-filled electrical equipment – Application of dissolved gas analysis (DGA) to factory tests on electrical equipment
  • SRPS EN IEC 60599:2022 ED4 Električna oprema u pogonu punjena mineralnim uljem – Uputstvo za tumačenje rezultata
  • IEEE PC57.130/D17 Trial-Use Guide for the Use of Dissolved Gas Analysis During Factory Temperature Tests for the Evaluation of Oil-Immersed Transformers and reactors
  • Fondovska dokumentacija INT: Izveštaj broj 424528-L Ispitivanje ulja iz energetskog transformatora
  • Fondovska dokumentacija INT: Izveštaj broj 420270-L Ispitivanje ulja iz energetskog transformatora
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