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  1. spdave2004

    Dew Point Measurement on Transformer

    I need to know how can I perform "Dew Point Test" on transformer with "Vaisala make DM70" dew point tester. if anyone has video link which demonstrate connection of test equipment's to transformer that will be great help. Thanks
  2. spdave2004

    3 Ph TTR/Ratiometers

    we are using Megger TTR and it's working fine.
  3. spdave2004

    Electrical

    Both the transformers has different source on primary side and we are paralleling secondary side only.
  4. spdave2004

    Electrical

    Hi Marks1080 Thanks for you comment. what I observed, Primary voltage of both the Transformers are not exactly same, around 2000-3000V difference observed. secondly AVR operate Tap changer to compensate secondary voltage. and beacuse of tap positions are different it gives Out of step alarm, is...
  5. spdave2004

    Electrical

    IN OLTC we observed "OUT OF STEP" Alarm, we have two different transformer, when both are in parallel this type of alarm observed. what's the meaning of this alarm and why it occurs???

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