Functions
2.11 Measures for Weak and Zero Infeed
SIPROTEC, 7SD5, Manual
C53000-G1176-C169-5, Release date 02.2011
284
2.11.4.2 Information List
No. Information Type of In-
formation
Comments
4203 >BLOCK Weak Inf SP >BLOCK Weak Infeed
4204 >BLOCK del. WI SP >BLOCK delayed Weak Infeed stage
4205 >WI rec. OK SP >Reception (channel) for Weak Infeed OK
4206 >WI reception SP >Receive signal for Weak Infeed
4221 WeakInf. OFF OUT Weak Infeed is switched OFF
4222 Weak Inf. BLOCK OUT Weak Infeed is BLOCKED
4223 Weak Inf ACTIVE OUT Weak Infeed is ACTIVE
4225 3I0 detected OUT Weak Infeed Zero seq. current detected
4226 WI U L1< OUT Weak Infeed Undervoltg. L1
4227 WI U L2< OUT Weak Infeed Undervoltg. L2
4228 WI U L3< OUT Weak Infeed Undervoltg. L3
4229 WI TRIP 3I0 OUT WI TRIP with zero sequence current
4231 WeakInf. PICKUP OUT Weak Infeed PICKED UP
4232 W/I Pickup L1 OUT Weak Infeed PICKUP L1
4233 W/I Pickup L2 OUT Weak Infeed PICKUP L2
4234 W/I Pickup L3 OUT Weak Infeed PICKUP L3
4241 WeakInfeed TRIP OUT Weak Infeed General TRIP command
4242 Weak TRIP 1p.L1 OUT Weak Infeed TRIP command - Only L1
4243 Weak TRIP 1p.L2 OUT Weak Infeed TRIP command - Only L2
4244 Weak TRIP 1p.L3 OUT Weak Infeed TRIP command - Only L3
4245 Weak TRIP L123 OUT Weak Infeed TRIP command L123
4246 ECHO SIGNAL OUT ECHO Send SIGNAL
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