Analysis / insulating oil investigation
Condition monitoring services

Investigation of isolating fluids (mineral oil, synthetic ester, natural ester, silikon oil) and gases from high-voltage equipment:

  • Gas-in-Oil Analysis (DGA), DIN EN 60567:2012-08
  • composition of free gases (Buchholz gases), DIN EN 60567:2012-08
  • Water, DIN EN 60814:1999-03
  • Breakdown voltage, DIN EN 60156:1996-03
  • Dielectric dissipation factor, DIN EN 60247:2005-01
  • Acidity, DIN EN 62021- Part 1:2004-06 or Part 2:2008-04 or Part 3:2015-05
  • Neutralization number, DIN EN 51558-2:2017-07
  • Interfacial tension, ASTM D971:2012
  • Color, DIN ISO 2049:2001-06
  • Appearance, DIN EN 60296:2012-12
  • Solids and mud, DIN EN 60422:2013-11
  • corrosive sulfur acc. to , DIN EN 62535:2009-09
  • many other parameters (on demand) possible

Service

  • Sampling, also in the case of faults
  • Complete evaluation of the gas balance under normal operating conditions and under fault conditions
  • Consulting services and training schemes with regard to optimum transformer monitoring

Relevant informations:

Hermetische Bedingungen für die Gas-in-Öl-Analyse
ew, Jg. 111 (2012),Heft 14, S.50-55
Prüfung von Transformatorenöl >>
Überwachungsgestützte Nachhermetisierung von Transformatoren der offenen Bauart
ew, Jg. 110 (2011),Heft 14, S.32-36
Alterungsprozess offener Transformatoren bremsen >>
Gas Household of Open Type Transformers
ew, Jg. 109 (2010),heft 14-15, S.56-59
New Knowledge >>
Improved evaluation of open type transformers according to IEC 60599
PDF Format >>
Online Transformer Gas Diagnostics on the Basis of IEC 60567/60599
Paper for Euro Techcon, Warrington 2009
more >>
Universal Fault Gas Triangle for Transformer Diagnostics
PDF Format >>
Improved Monitoring of Dissolved Transformer Gases on the Basis of a Natural Internal Standard (NIS)
CIGRE-23, Brugge 2007
Capabilities of gas-analytical transformer diagnostics to clear up failures
ew, Jg. 101 (2002),Heft 23, S.48-54
PDF Format >>