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Thermography |
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Informacje ogólne
Termography diagnostic is a very effective method of measurement, where special camera could give us a picture of thermic field checked object and remote temperature measurement with precision up to 0,1 °C. The main advantages of using this method are fact that mensurations are realising during normal work of checked object without any kind of interference in object or controlled power down.
Termography diagnostic have an applications where possibility of identification of object condition by figuration of thermal field exists.
Examples of using termography diagnostic are shown below:
Examples of using termography diagnostic (No.1/03)
Examples of using termography diagnostic (No.2/04)
Examples of using termography diagnostic (No.3/06)
- electrical enginery (transformers, generators, motors, etc)
- high and low voltage switching stations (connectors, voltage transformer, etc)
- examination of technical condition of transmission line
- control of termo insulation of:
- pipelines
- buildings
- power boilers - examination of leakproofness (e.g. chimney)
- examination of leakproofness pressure system
- detection of selfignition mine waste dump
Examples of photos and thermograms:
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Checking thermal insulation of turbine set - after reparations - before reception |
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Loosen cable clamp - periodical survey |
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Damaged pipelines thermal insulation |
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Building while thermal insulation fixing |
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Fuse |
Unit transformercable |
clamp - insulatorcable |
clamp - bus |
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Electrical field 220kV |
Fuse 200A |
Generator exciter |
Switch contact |
Preventive thermographic measurements from special regard energetistic devices.
Standard diagnostic service contains:
- Recognition of the object;
- Realisation of thermographic measurements;
- Realisation of picture of the object (in visible band);
- Registering thermal picture;
- Description of thermic pictures;
- The interpretation of results of measurements;
- Reporting together from described thermic pictures and advices.
The results of measurements are accumulated and kept with the help of special software working under Windows 95/98/Me/2000/XP. It is this computer base of thermal pictures which makes it possible to keep the accumulated photo records and description well-ordered. The software previews permit, with such composition thermal pictures, the observation on t he computer the screen symptoms of the development of damage given to an object. Software like this can be recorded with measurement data onto CD.
Based on the measutment data and comprasion of earlier prepared thermal pictuers for fhe same devices, it is possible to determine damage expansion and as well as its degree. Accumulated data gives information to undertake, prevent, or repair works. One of the most widespread uses is the monitoring of devices and apparatuses of distribution of electric energy. In this way we can find (localizate):
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places of inappropriate points of contact
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electric connections (etc.)
