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For all the CT sizes t1=18s, except with 320 A CT (T4) and 630 A (T5) where t1=12s. 8 x In, I3 max = 9,5 x In (1) For PR223DS the L protection function can be set to I1 = 0,18… 1 x In ABB SACE - Protection and control devices 1SDC210001F0004 10-2 10-2 T4 10-3 10-1 1 10 T6 T5 T5 T6 400 630 630 800 1000 1 x In 10 I [kA] Note: The dotted curve of function L corresponds to the maximum delay (t1) which can be set at 6xl1, in the case where 320 A CTs are used for T4 and 630 A for T5. For all the CT sizes t1=18s, except with 320 A CT (T4) and 630 A (T5) where t1=12s.
2 Trip curves 3 General characteristics 3 General characteristics Trip curve electronic releases Trip curve electronic releases S7 PR212/MP 103 13 I Function Emax PR121/P PR331/P 104 L- I Functions 103 12 11 102 10 t [s] 9 t [s] 8 102 7 10 6 101 1 1 10-1 1SDC200100F0001 10-1 10-2 10-2 10-3 10-1 PR212/MP 1 1,05 101 102 GSIS0219 10-1 10-3 1 101 102 x In x In I3 (6 - 7- 8 - 9 - 10 - 11 - 12 - 13 - OFF) x In The tolerances are according to IEC 60947-4-1. 2 Trip curves 3 General characteristics 3 General characteristics PR123/P release – Function L in compliance with Std.
84 I2t OFF 10-1 10-1 ABB SACE - Protection and control devices 10-2 10-3 10-1 1 10 102 I [kA] Note: The dotted curve for functional corresponds to the maximum delay (t1) wich can be set at 6 x I1, in the case where 320A CTS are used for T4 and 630A for T5. For all the CT sizes the maximum delay t1 is equal to 18s, except for 320 A CT (T4) and 630 A (T5) where t1=12s. 8 x In, I3 max = 9,5 x In Only the electronic settings are available. 12 12 I2t ON 10 10 102 102 1 1 T4 T5 400 I2t OFF 10-1 10-1 T5 630 T7 S,H,L 10-2 10-2 T6 630 T7 V T6 800 T6 1000 10-3 10-3 10-1 1 10 1 x In 2 10 I [kA] 10-1 1 10 10 x In 102 I [kA] Note: For all the CT sizes the maximum delay t1 is equal to 18s, except for 320 A CT (T4) and 630 A (T5) where t1=12s.
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