Siemens SIPROTEC 7SS52 - TRIP Repetition with Current Sensor

 '(& )( )'& &) ( &!&  ")& &$(( $#   Ć %&( $# #)" &&#$ 
  

4 - 19
Siemens AG ⋅ May 1998

 
three-phase
TRIP command
&
P
t
1
T-CBF
DA 6204/ZE
P >CBF Ayy
DA 67yy/ZE
(zone-selective)
 
(Lx & Ly)
transfer trip
command
(feeder-selective)
P 1/2-channel
DA 6201/ZE
1
BI suĆ
pervision
1
(figure 4.32,
chapter 4.7.8.5)
Figure 4.13 Basic scheme "current sensor"
4.6.1.2 TRIP repetition with current sensor
 
 
&
TRIP-R.OP
P
DA 6207/ZE
P
T-TRIP-REP.
DA 6208/ZE
P
T-CBF
DA 6204/ZE
P >CBF Ayy
DA 67yy/ZE
(zone-selective)
 
t
1
P >CBF Ayy
DA 67yy/ZE
(Lx & Ly) v
(Lx & 
E
)
P >CBF Ayy
DA 67yy/ZE
(Lx & 
E
)
three-phase
TRIP repetition
phase-selective
TRIP repetition
(feeder-selective)
(feeder-selective)
P
1/2-channel
DA 6201/ZE
1
three-phase
TRIP command
transfer trip
command
(feeder-selective)
1
BI suĆ
pervision
(figure 4.32,
chapter 4.7.8.5)
t
1
&
(Lx & Ly) v
(Lx & 
E
)
Figure 4.14 Basic scheme "TRIP repetition with current sensor"
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