DISSOLVED GASES IN ELECTRICAL TRANSFORMER OILS BY HEADSPACE GC

Component failures in electrical system transformers frequently result in the thermal decomposition of the transformer's insulating oil. Some of the decomposition by-products are gases and remain dissolved in the insulating oil. Regularly analyzing the insulating oil for these dissolved gases can reveal the developing transformer failure, so that early corrective action may be taken.

The fully automated sample preparation system is based on headspace gas chromatography according to the ASTM D-3612 recommended procedures for dissolved gases in transformer oils.

TOGEAU ADVANTAGES INCLUDE:

· Meets requirements of ASTM D-3612

· Excellent analytical reproducibility

· System can be configured on most GCs

· Easy start-up and operation

· Manual includes complete setup and operating instructions

· Argon purge system prevents air contamination of sampling system

TOGEAU OPTIONS INCLUDE:

· Complete "turn key" installation and training

· Customized reporting software to suit your needs

· Easily interfaced to software for trending and predicting transformer failure

The GC is equipped with a TCD, a FID, a methanizer and automated gas injection and column backflush valves. The GC uses capillary columns. The chromatogram above shows 10ppm peaks for carbon monoxide, carbon dioxide, ethane and acetylene.

Chromatographic Instruments Company
979-236-4671, e-mail home