If there is phase inversion or phase rotation at the remote 1 station as shown in Figure 8-11, the resulting Dif-
ferential Current that will be displayed at all stations will be approximately double the current at remote 1 or
about 10 amps.
Station A
Station B
Communication
Channels
2 Am
s
5 Amps
RFL 9300
Three
Terminal
RFL 9300
Three
Terminal
Local
Remote 1
Phase input to
remote 1 relay
inverted
RFL 9300
Three
Terminal
Station C
Remote 2
3 Amps
Figure 8-11. Phase inversion at remote 1
RFL 9300 RFL Electronics Inc.
October 20, 2004 8 - 35 (973) 334-3100