Valid vector groups for transformers

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Valid vector groups for transformers

 

Type of vector groups for transformers handled by the calculation core

 

Type

 

In the code-list

Dy5

D Y 5

Dy11

D Y 11

Dyn11

D YN11

Yy0

Y Y 0

Yyn0

Y YN0

Yz5

Y Z 5

Yzn5

Y ZN5

Yz11

Y Z 11

Yzn11

Y ZN11

Zy11

Z Y 11

Zyn11

Z YN11

Zy5

Z Y 5

Zyn5

Z YN5

Dd5

D D 5

Dd11

D D 11

Yd5

Y D 5

Yd11

Y D 11

YnYn

YNYN

YnZn11

YNZN11

ZNyn11

ZNYN11

 

The safest way for a correct handling is that up, down and clock digit are grouped as 2+2+2. However a generous routine for unpacking the values can manage many “odd” ways for the values, but without any “guarantee”.