ABB 615 Series - Page 529

Vector group of the
transformer
Winding 1 type Winding 2 type Clock number Zro A Elimination
ZNd6 ZN d Clk Num 6 HV side
Zd8 Z d Clk Num 8 Not needed
ZNd8 ZN d Clk Num 8 Not needed
Zd10 Z d Clk Num 10 Not needed
ZNd10 ZN d Clk Num 10 Not needed
Zz0 Z z Clk Num 0 Not needed
ZNz0 ZN z Clk Num 0 HV side
ZNzn0 ZN zn Clk Num 0 HV & LV side
Zzn0 Z zn Clk Num 0 LV side
Zz2 Z z Clk Num 2 Not needed
ZNz2 ZN z Clk Num 2 Not needed
ZNzn2 ZN zn Clk Num 2 Not needed
Zzn2 Z zn Clk Num 2 Not needed
Zz4 Z z Clk Num 4 Not needed
ZNz4 ZN z Clk Num 4 Not needed
ZNzn4 ZN zn Clk Num 4 Not needed
Zzn4 Z zn Clk Num 4 Not needed
Zz6 Z z Clk Num 6 Not needed
ZNz6 ZN z Clk Num 6 HV side
ZNzn6 ZN zn Clk Num 6 HV & LV side
Zzn6 Z zn Clk Num 6 LV side
Zz8 Z z Clk Num 8 Not needed
ZNz8 ZN z Clk Num 8 Not needed
ZNzn8 ZN zn Clk Num 8 Not needed
Zzn8 Z zn Clk Num 8 Not needed
Zz10 Z z Clk Num 10 Not needed
ZNz10 ZN z Clk Num 10 Not needed
ZNzn10 ZN zn Clk Num 10 Not needed
Zzn10 Z zn Clk Num 10 Not needed
Yy0 Y y Clk Num 0 Not needed
YNy0 YN y Clk Num 0 HV side
YNyn0 YN yn Clk Num 0 HV & LV side
Yyn0 Y yn Clk Num 0 LV side
Yy2 Y y Clk Num 2 Not needed
YNy2 YN y Clk Num 2 Not needed
YNyn2 YN yn Clk Num 2 Not needed
Table continues on next page
1MAC059074-MB A Section 4
Protection functions
615 series ANSI 523
Technical Manual