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موضوع
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500MW power station under erection. Generator Transformer comes in separate phase banks.
Problem:As per design the vector group is Yd11 but on site Yd5 has arrived.
The LV side delta is made by Generator Bus Duct connections.
Solution:
1) Change Bus Duct connection. ( Much delay in commissioning activities)
2) Modifications done in protection circuits of Generator,GT,UAT. to accommodate this change groups.
Question:
Is it possible ? I need some more details as to how things were done.
Thanks
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