TOGAGC 2

Gas Analytics

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TOGAGC 2

Dissolved gas analysis with automated full vacuum degassing

Conform to the standards ASTM D 3612, IEC 60567

Distribution by Energy Support GmbH - www.energy-support.de

Product description

The animation shows the operation of the TOGA GC 2.

Complete gas-in-oil analysis (11 gases) and Total Gas Content
Auto sampler for 16 and 32 samples available
Expert system for quick and easy evaluation

The TOGA GC 2 has been designed for a fast and reliable measurement routine. The analysis - done in 2 steps - follows the standard guidelines of ASTM D 3612 and IEC 60567.

For many decades Dissolved Gas Analysis has proven to be a favourable method for insulation diagnostics. The TOGA GC 2 has been developed to be user-friendly and delivers reliable and accurate results. The analysis system allows a calibration of the complete system following the measurement routine.

Total Gas Content

Equally important for insulation diagnostics is the Total Gas Content (TGC).

The TOGA GC 2 is currently the only system which measures the TGC during the degassing process accurately. The increase in the TGC is a clear indication of existing faults in the transformer, which can be thermal, electrical or mechanical in nature.

The analysis is done in 2 steps with high selectivity and accuracy, fully compliable with laboratory procedure. Degassing of the oil sample is done through multi-periodic vacuum extraction (according to ASTM D 3612 and IEC 60567). The gas sample is automatically transferred to the GC.

Gas chromatographic analysis is done with a Thermal Conductivity Detector (TCD), Flame Ionisation Detector (FID) and with a Methanizer. All results are displayed in ppm, sensitivity is as low as 0.1 ppm for hydrocarbons. Therefore, new transformer oils and transformers following their periodic maintenance can also be analysed. Besides the results, all other operating conditions are registered and stored in a file together with all remaining parameters. The graphics of the results is displayed in real time on the monitor, in the table or/and as a test report in a print file. The integrated Expert System will evaluate the results according to international standards like „Duval“ or „IEC“.

TOGA GC 2 for gas-in-oil-analysis

TOGA GC 2 with auto sampler for 16 samples

Key benefits of the TOGA GC 2

Compact design: 530 x 355 x 370 mm
Highly efficient vacuum extraction + GC (no head space)
Fantastic repeatability and accuracy
Power consumption less than 1 kW
50 mL sample injection by glass syringe (no additional prep)
Multi-detector system with FID and TCD
Complying with ASTM D 3612 and IEC 60567
Works with any oil type (mineral oil or natural esters)
Doesn't need solubility coefficients
Individual column ovens for independent and optimised temp. programs at the same time
TCD robust against carrier gas interruption
Fast oven cooling: within 3 minutes from 250 to 50 °C
Independent calculation of total gas content even before chromatogram by pressure difference after sample injection
Integrated expert system tool for result interpretation
Simple and cheap calibration by standard gas mixture
Customisable protocol generator
100 % developed and manufactured in Germany
Recommended method by Transformer Magazine for factory test of new transformers