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  1. Dagapa

    Mismatch of Impedance

    Does this mean that after we attain 8.6MVA, the inbalances and higher circulating currents will occur?
  2. Dagapa

    Mismatch of Impedance

    If three single phase transformers of 8.4, 1.3 and 1.3 impedance is connected in delta on primary and also connected in delta on the secondary, what would be the percentage of load sharing on each transformer? Other parameters are all identical for all three transformers. kVA = 4MVA x 3Nos. Nos...
  3. Dagapa

    Mismatch of Impedance

    Three single phase trafo connected in delta on primary and secondary is connected to three electrodes. 1a1 and 3a2 to electrode 1....1a2 and 2a1 to electrode 2....and 2a2 and 3a1 to electrode 3.
  4. Dagapa

    Mismatch of Impedance

    Dear prc, The impedance values are that of the factory test and on the name plate of the transformers. The secondaries are connected to the electrodes of a submerged arc furnace. Regards
  5. Dagapa

    Mismatch of Impedance

    Thank you so much to both davidbleach and MattherDB for their responses. The primaries are connected in delta and the secondary loads are also in delta. These are connections for a Furnace transformers. One of the transformer was indicating higher temperature (at around 12degrees...
  6. Dagapa

    Mismatch of Impedance

    The impedance of the two transformers are 1.69 at Tap 18 and the impedance of one transformer is 8.47 at Tap 18. I would like to know the consequences of using these transformers with their respective impedance. Would the difference in impedance have an impact on the life of the transformer(s)...
  7. Dagapa

    Mismatch of Impedance

    If two single phase transformer of same impedance and one single phase transformer of higher impedance is connected in delta on primary and then connected to the load on the secondary, what would be the impact of the impedance on the transformers?

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