EGS-Method (EP 1790965)
Sampling Integrated Extraction according to IEC 60475 / 60567
EGS_fill EGS_seal
EGS filling
Rotary oil flow		 EGS sealing
Exact air volume
EGS_ring



⇒ Stop:

No opening for
oil dosing in
gas extraction
unit !
Check of sealing ring
Laboratory registration

⇒ Go!

 		EGS_press
EGS_equ
Gas extraction helper
Defined equilibrium 		Measuring of gas pressure
Before direct dosing in
the gas chromatograph
Advantages of Evaluation of EGS Results:
EGS_GCC
Autosampler / GC Coupling		 Accuracy / Correctness
N2IS based ! ® (hermetical conditions) simultaneous supposition for:
  • high temporal resolution (actuality)
  • determination of openness (correction with TON)
Fehlerdiagnostik

Current original fault gas
Gas Emission Rate (GER)





Aging Diagnostics

Current oxygen decrease
Oxygen Consumption Rate (OCR)

 EGS_FGT
Fault Gas Triangle according to IEC 6059

Relevant informations:

EGS-Method (EP 1790965)
Sampling Integrated Extraction according to IEC 60475 / 60567
PDF Format >>
Extracting Gas Sampler EGS
for Manual Gas-in-Oil Analysis
more >>
Universal Fault Gas Triangle for Transformer Diagnostics
PDF Format >>
Hermetische Bedingungen für die Gas-in-Öl-Analyse
ew, Jg. 111 (2012),Heft 14, S.50-55
Prüfung von Transformatorenöl >>
Gas Household of Open Type Transformers
ew, Jg. 109 (2010),heft 14-15, S.56-59
New Knowledge >>

Overview

Improved evaluation of open type transformers according to IEC 60599

Fault Gas Triangle for Transformer Diagnostics

Post-installation hermetic sealing of oil transformers

Determination of the fault type from Buchholz gas analyses

Diagnoses according to IEC 60599

EGS-Method (EP 1790965)