ABB 615 Series - Page 1135

V V V V
B BC AB
= + −
( )
0
/ 3
GUID-BC8718B1-E189-4082-8F62-F46FF3215FDA V1 EN (Equation 195)
V V V V
C CA BC
= + −
( )
0
/ 3
GUID-B4606B19-7510-461E-8A6B-9BFDF6F670DB V1 EN (Equation 196)
If the
Vo
channel is not valid, it is assumed to be zero.
The phase-to-phase voltages are calculated from the phase-to-ground voltages when VT
connection is selected as "Wye" according to the equations.
V V V
AB A B
= −
GUID-A2287CBF-D979-44CD-91ED-8CEBD120F1D8 V1 EN (Equation 197)
V V V
BC B C
= −
GUID-752436ED-0955-4C59-80C8-22DACEDE65D7 V1 EN (Equation 198)
V V V
CA C A
= −
GUID-4AE4B43A-B0A7-41DE-9C84-55527D9F6D78 V1 EN (Equation 199)
1MAC059074-MB A Section 11
General function block features
615 series ANSI 1129
Technical Manual