What happen if we use DYn1 vector group for distribution transformer? that the structure DYn11 is also simple in comparison with some other vector groups. What is the meaning of Dyn11 of Transformer Answer / devidas. First symbol/ symbols, capital letters: HV winding connection. Second symbol/symbols, small. In theory a three-phase transformer works like three separate transformer’s rating plate. Dyn Yyn0. Yd1. Yd Dz0. Yz1. Yz
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The Dyn winding vector groups do not allow zero sequence currents commonly known as earth fault current to pass across the transformer.
Thus, the yn side of the transformer is a ‘separately derived system’ in which all earth fault current must flow through the neutral of this transformer.
What is the meaning of Dyn11 of Transformer.
With this configuration, earth fault protection is possible and practical. Likewise, earth fault protection on the primary side is trajsformer affected by earth faults on the secondary side. Mostly Ynd11 vector group is used in distribution application because of 1. No 3rd harmonics from LV side be transferred to HV side and circulated in delta windings.
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Interview Why DYN11 vector group used A Answered by Anonymous more than 6 months ago The Dyn winding vector groups do not allow zero sequence currents commonly known as earth fault current to pass across the transformer. R Answered by Raman jain more than 6 months ago Mostly Ynd11 vector group is used in distribution application because of 1.
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Vector Group of Transformer
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