Functions
2.19 Impedance Protection (ANSI 21)
SIPROTEC, 7UM62, Manual
C53000-G1176-C149-7, Release date 03.2010
164
2.19.5 Information List
3307 T-Z1 0.00 .. 60.00 sec; ∞ 0.10 sec Impedance Zone Z1 Time
Delay
3308 ZONE Z1B 5A 0.01 .. 13.00 Ω 0.99 Ω Impedance Zone Z1B
1A 0.05 .. 65.00 Ω 4.95 Ω
3309 T-Z1B 0.00 .. 60.00 sec; ∞ 0.10 sec Impedance Zone Z1B
Time Delay
3310 ZONE Z2 5A 0.01 .. 13.00 Ω 0.83 Ω Impedanz Zone Z2
1A 0.05 .. 65.00 Ω 4.15 Ω
3311 ZONE2 T2 0.00 .. 60.00 sec; ∞ 0.50 sec Impedance Zone Z2 Time
Delay
3312 T END 0.00 .. 60.00 sec; ∞ 3.00 sec T END: Final Time Delay
3313 POWER SWING ON
OFF
OFF Power Swing Blocking
3314 P/SPOL-TPOL 5A 0.02 .. 6.00 Ω 1.60 Ω Distance betw. Power
Swing - Trip-Pol.
1A 0.10 .. 30.00 Ω 8.00 Ω
3315 dZ/dt 5A 0.2 .. 120.0 Ω/s 60.0 Ω/s Rate of Change of dZ/dt
1A 1.0 .. 600.0 Ω/s 300.0 Ω/s
3316A BLOCKING OF Z1
Z2
Z1 Power Swing Blocking
locks out
3317A T-ACTION P/S 0.00 .. 60.00 sec; ∞ 3.00 sec Power Swing Action Time
No. Information Type of In-
formation
Comments
3953 >Imp. BLOCK SP >BLOCK impedance protection
3956 >Extens. Z1B SP >Zone 1B extension for impedance prot.
3958 >ImpUseal-inBLK SP >Imp. prot. : BLOCK undervoltage seal-in
3961 Imp. OFF OUT Impedance protection is switched OFF
3962 Imp. BLOCKED OUT Impedance protection is BLOCKED
3963 Imp. ACTIVE OUT Impedance protection is ACTIVE
3966 Imp. picked up OUT Impedance protection picked up
3967 Imp. Fault L1 OUT Imp.: Fault detection , phase L1
3968 Imp. Fault L2 OUT Imp.: Fault detection , phase L2
3969 Imp. Fault L3 OUT Imp.: Fault detection , phase L3
3970 Imp. I> & U< OUT Imp.: O/C with undervoltage seal in
3976 Power Swing OUT Power swing detection
3977 Imp.Z1< TRIP OUT Imp.: Z1< TRIP
3978 Imp.Z1B< TRIP OUT Imp.: Z1B< TRIP
3979 Imp.Z2< TRIP OUT Imp.: Z2< TRIP
3980 Imp.T3> TRIP OUT Imp.: T3> TRIP
Addr. Parameter C Setting Options Default Setting Comments
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