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Detailed modification description |
NN | Modification marking Inter Nat. | Capacity on voltage levels, KVA | range of secondary voltages, in: | winding connection by the star | winding connection by the triangle | number of voltage levels | 1 |
N 1 N 1 | 100, 0 - 57, 8 | 89, 8 - 51, 9 | 51, 9 - 30, 0 | 5 | 2 |
N 2 N 2 | 100, 0 - 57, 8 | 113, 0 - 65, 0 | 65, 0 - 37, 5 | 5 | 3 |
N 3 N 3 | 100, 0 - 57, 8 | 269, 4 - 155, 7 | 155, 7 - 90, 0 | 5 | |