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Total Dissolved Gas Content
Total Dissolved Gas Content
- Step 1: Gas separation is achieved through a patented vacuum degassing method, which involves multi-periodical degassing using a four-step vacuum pump. This method ensures high sensitivity in gas separation.
- Step 2 (Optional): A gas chromatographic analysis can be conducted following the determination of total gas content.
- The method uses a vacuum chamber to separate gases, with a linear pressure sensor measuring the total gas content online.
- The system allows for feedback of oil into the transformer and includes a heated transfer pipe for gas sample injection into the gas chromatograph.
- The system is micro-processor controlled with a serial interface (RS 232) for data transfer to a remote computer.
- Analysis intervals can be defined by the operator, and the system includes eight additional analog inputs for measuring other transformer parameters.
- Results are displayed in Vol% and stored in a databank, with options for viewing on a monitor, spreadsheet, or printed report.
- Data can be transferred to a remote computer and stored in a log file, maintaining a history from the day of commissioning.
- Type: Vacuum degassing procedure, oil- and mercury-free.
- Vacuum Connections: DN 16 KF.
- Vacuum Pump: Diaphragm pump, chemically resistant, three-stage, with a pumping speed of 2.0 m3/h.
- Vacuum Sensor: Measuring range of 0.1 – 200 mbar, with a read-out of 5 per second.
- Sample Volume: 50-100 ml.
- Power Supply: 230 V, 50/60 Hz; 115 V, 50/60 Hz.
Catalog excerpts
Total Dissolved Gas Content ( TDGC ) for Insulation Liquids accord. To IEC 567 and IEEE C57.104-1991 Automatic analysis of the dissolved gases in oil-filled transformers The analysis is done in 2 steps which guarantee a very high selectivity and sensitivity of the determination of dissolved gases: 1. Gas separation by means of fully vacuum degassing ( accord. to DIN EN 60567, DIN IEC 599 and IEEE C57.104-1991) and display of results 2. Option: Subsequently to the determination of the total gas content a gas chromatographic analysis can be made. ENERGY SUPPORT Experts in providing mobile Solutions
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ENERGY SUPPORT Sperberweg 47 D - 41468 Neuss/Germany Both steps are synchronized via a micro-processor control thus a fast and reliable measurement procedure is guaranteed Vacuum Degassing A new invented vacuum degassing method (Patent pend. DE 102 52 652 4) degasses the oil sample multi-periodical. After extraction through a 4 step vacuum pump the gases are dosed into vacuum chamber and separated. The gases are evacuated from the vacuum chamber with a vacuum pump; therefore a very high sensitivity can be reached. The measuring principle is shown in fig, 1. In and outlet of the oil sample as...
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The injection of the gas sample into the gas chromatograph is via a fixed mounted and heated transfer pipe. An additional port for withdrawal of gas samples is installed. Control and Evaluation The system is controlled by a micro-processor; a serial interface (RS 232) allows transferring the data to a remote computer. The intervals of the analysis cycle can be freely defined by the operator (number of analysis/day or hour). The system has 8 additional analog inputs (0 -1 V) for the measurement of other transformer parameters (Oil temperature, winding temperature, ambient conditions etc.) The...
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ENERGY SUPPORT Sperberweg 47 D - 41468 Neuss/Germany Specification of vacuum degassing equipment: ENERG^^ SUPPORT Experts in providing mobile Solutions
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