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Moisture can be in the insulation when it is delivered from factory.
If the transformer is opened for inspection or has a leak, the insulation can absorb moisture from the atmosphere.
Moisture is also formed by the degradation of insulation as the transformer ages.
Additional benefit are the sampling with gas-tight syringes according Standard IEC 60475/ASTM D 923
The aim of proper sampling is to ensure that the result of the dissolved gas analysis are not distorted by contamination with ambient air or dirt particles
This guarantees a reliable and exact dissolved gas analysis and a solid decision basis for the further treatment of your Transformer
With this in mind, we organise our TLM Conference 2016
To achieve a stable integrated electricity network, generation, transmission and distribution companies must employ best practice performance methodologies to achieve optimal resilience and a future-proof grid.
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