ABB handbook protection and control devices by ABB SACE

By ABB SACE

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Extra info for ABB handbook protection and control devices

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2 Trip curves 3 General characteristics 3 General characteristics Trip curve electronic releases Trip curve electronic releases S6 - S7 PR211/P S6 - S7 - S8 PR212/P 104 L-I Functions 0,5 0,4 103 1,5 102 0,4 1,5 4 A 2 D C 102 B 1 103 t [s] 2 D C 0,4-0,5-0,55-0,6-0,65-0,7-0,75-0,80,85-0,875-0,9-0,925-0,95-0,975-1 L-S-I Functions, S inverse short delay (I2t = constant) 0,7 0,95 0,6 0,8 1 0,9 t [s] 104 B 4 1 A 6 6 8 D C 101 8 D 10 101 12 C D C 2 3 B B A A 1 1 10 12 B 4 6 A 8 10 10-2 10-2 10-1 1 1,05 101 Note: for PR211/P-I releases, consider the curves relevant to function I only.

4 x I1 t6 4s R PR212/MP I5 ± 10 % t5 ± 20 % U PR212/MP I6 ± 20 % t6 ± 20 % PR212/MP 101 102 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 Trip curve electronic releases Emax PR112/P-PR113/P PR113/P release – Function L in compliance with Std. IEC 60255-3 The following three curves refer to the protection function L complying with Std. IEC 60255-3 and integrate the standard one; they are applicable in coordination with fuses and MV circuit-breakers.

4 x I1 t6 4s R PR212/MP I5 ± 10 % t5 ± 20 % U PR212/MP I6 ± 20 % t6 ± 20 % PR212/MP 101 102 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 Trip curve electronic releases Emax PR112/P-PR113/P PR113/P release – Function L in compliance with Std. IEC 60255-3 The following three curves refer to the protection function L complying with Std. IEC 60255-3 and integrate the standard one; they are applicable in coordination with fuses and MV circuit-breakers.

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