Micom P634 - Page 141

64Z8051A
IA,b
IB,b
IC,b
IY,b
MAIN:
Angle phi NY, end a
[ 005 077 ]
MAIN:
Angle phi NY, end b
[ 005 078 ]
MAIN:
Angle phi NY, end c
[ 005 079 ]
MAIN:
Hardware fault
306 018
MAIN:
General starting
[ 036 000 ]
IA,a
IB,a
IC,a
IY,a
IA,c
IB,c
IC,c
IY,c
ΣIP,a
ΣIP,b
ΣIP,c
> 0.033⋅Inom
> 0.033⋅Inom
> 0.033⋅Inom
> 0.033⋅Inom
> 0.033⋅Inom
> 0.033⋅Inom
c
c
c
Fig. 3-54: Determination of the angle between the derived residual current and the current measured at
transformer -Tx4
3 Operation P634
P634/EN M/R-42-A // P634‑311‑653 3-85