Appendix
A.7 Settings
SIPROTEC, 7UM62, Manual
C53000-G1176-C149-7, Release date 03.2010
579
2031 I-DIFF>> Diff. Prot 0.5 .. 12.0 I/InO; ∞ 7.5 I/InO Pickup Value of High Set Trip
2036A T I-DIFF>> Diff. Prot 0.00 .. 60.00 sec; ∞ 0.00 sec T I-DIFF>> Time Delay
2041A SLOPE 1 Diff. Prot 0.10 .. 0.50 0.25 Slope 1 of Tripping Characteristic
2042A BASE POINT 1 Diff. Prot 0.00 .. 2.00 I/InO 0.00 I/InO Base Point for Slope 1 of Charac.
2043A SLOPE 2 Diff. Prot 0.25 .. 0.95 0.50 Slope 2 of Tripping Characteristic
2044A BASE POINT 2 Diff. Prot 0.00 .. 10.00 I/InO 2.50 I/InO Base Point for Slope 2 of Charac.
2051A I-REST. STARTUP Diff. Prot 0.00 .. 2.00 I/InO 0.10 I/InO I-RESTRAINT for Start Detection
2052A START-FACTOR Diff. Prot 1.0 .. 2.0 1.0 Factor for Increasing of Char. at
Start
2053 T START MAX Diff. Prot 0.0 .. 180.0 sec 5.0 sec Maximum Permissible Starting
Time
2061A I-ADD ON STAB. Diff. Prot 2.00 .. 15.00 I/InO 4.00 I/InO Pickup for Add-on Stabilization
2062A T ADD ON-STAB. Diff. Prot 2 .. 250 Cycle; ∞ 15 Cycle Duration of Add-on Stabilization
2063A CROSSB. ADD ON Diff. Prot 2 .. 1000 Cycle; 0; ∞ 15 Cycle Time for Cross-blocking Add-on
Stabiliz.
2071 2. HARMONIC Diff. Prot 10 .. 80 % 15 % 2nd Harmonic Content in I-DIFF
2072A CROSSB. 2. HARM Diff. Prot 2 .. 1000 Cycle; 0; ∞ 3 Cycle Time for Cross-blocking 2nd
Harm.
2076 n. HARMONIC Diff. Prot 10 .. 80 % 30 % n-th Harmonic Content in I-DIFF
2077A CROSSB. n.HARM Diff. Prot 2 .. 1000 Cycle; 0; ∞ 0 Cycle Time for Cross-blocking n-th
Harm.
2078A IDIFFmax n.HM Diff. Prot 0.5 .. 12.0 I/InO 1.5 I/InO Limit IDIFFmax of n-th Harm.Re-
straint
2101 REF PROT. REF OFF
ON
Block relay
OFF Restricted Earth Fault Protection
2102 REF I> BLOCK REF 1.0 .. 2.5 I/InO 1.5 I/InO REF Pickup of Phase Current
Blocking
2103 REF U0>RELEASE REF 1.0 .. 100.0 V; 0 5.0 V REF Pickup of U0> Release
2110 I-REF> REF 0.05 .. 2.00 I/InO 0.10 I/InO I-REF> Pickup
2112 T I-REF> REF 0.00 .. 60.00 sec; ∞ 0.00 sec T I-REF> Time Delay
2113A SLOPE REF 0.00 .. 0.95 0.25 Slope of Charac. I-REF> = f(I0-
Rest)
2114A BASE POINT REF 0.00 .. 2.00 I/InO 0.00 I/InO Base Point for Slope of Charac-
teristic
3001 UNDEREXCIT. Underexcitation OFF
ON
Block relay
OFF Underexcitation Protection
3002 1/xd CHAR. 1 Underexcitation 0.20 .. 3.00 0.41 Susceptance Intersect Charac-
teristic 1
3003 ANGLE 1 Underexcitation 50 .. 120 ° 80 ° Inclination Angle of Characteris-
tic 1
3004 T CHAR. 1 Underexcitation 0.00 .. 60.00 sec; ∞ 10.00 sec Characteristic 1 Time Delay
3005 1/xd CHAR. 2 Underexcitation 0.20 .. 3.00 0.36 Susceptance Intersect Charac-
teristic 2
3006 ANGLE 2 Underexcitation 50 .. 120 ° 90 ° Inclination Angle of Characteris-
tic 2
3007 T CHAR. 2 Underexcitation 0.00 .. 60.00 sec; ∞ 10.00 sec Characteristic 2 Time Delay
3008 1/xd CHAR. 3 Underexcitation 0.20 .. 3.00 1.10 Susceptance Intersect Charac-
teristic 3
3009 ANGLE 3 Underexcitation 50 .. 120 ° 90 ° Inclination Angle of Characteris-
tic 3
3010 T CHAR 3 Underexcitation 0.00 .. 60.00 sec; ∞ 0.30 sec Characteristic 3 Time Delay
3011 T SHRT Uex< Underexcitation 0.00 .. 60.00 sec; ∞ 0.50 sec T-Short Time Delay (Char. &
Uexc<)
3012 EXCIT. VOLT. Underexcitation ON
OFF
OFF State of Excitation Volt. Supervi-
sion
3013 Uexcit. < Underexcitation 0.50 .. 8.00 V 2.00 V Excitation Voltage Superv.
Pickup
3014A Umin Underexcitation 10.0 .. 125.0 V 25.0 V Undervoltage blocking Pickup
Addr. Parameter Function C Setting Options Default Setting Comments
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