Malestorm's ABB Electrical Installtion Handbook PDF

By Malestorm

ISBN-10:

ISBN-13: 1301301301001

ISBN-10: 6086511993

ISBN-13: 9786086511999

ISBN-10: 6100812002

ISBN-13: 9786100812002

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8 s for cold trip. For fault current values higher than 1600 A, the circuit-breaker trips instantaneously through magnetic protection. 2 Trip curves of electronic releases PR221 Introduction The following figures show the curves of the single protection functions available in the electronic releases. The setting ranges and resolution are referred to setting operations to be carried out locally. 2 Trip curves 3 General characteristics 3 General characteristics Trip curve electronic releases Trip curve electronic releases T4 250/320 T5 400/630 T6 630/800/1000 PR222DS/P PR222DS/PD PR223DS T4 250/320 T5 400/630 T6 630/800/1000 PR222DS/P PR222DS/PD PR223DS 104 0,4-0,42-0,44-0,46-0,48-0,5-0,52-0,54-0,56-0,58-0,6-0,62-0,64-0,66-0,680,7-0,72-0,74-0,76-0,78-0,8-0,82-0,84-0,86-0,88-0,9-0,92-0,94-0,96-0,98-1 0,18 (1) 0,4 1,2 1,8 2,4 1 3 3,6 4,2 5,8 6,4 7 7,6 8,2 8,8 9,4 10 5,5 2,5 3 4 0,6 102 L-S-I Functions (I2t const = OFF) 6,5 4,5 7 5 0,4-0,42-0,44-0,46-0,48-0,5-0,52-0,54-0,56-0,58-0,6-0,62-0,64-0,66-0,680,7-0,72-0,74-0,76-0,78-0,8-0,82-0,84-0,86-0,88-0,9-0,92-0,94-0,96-0,98-1 0,18 (1) 103 103 L-S-I Functions (I2t const = ON) t [s] 104 0,4 1,8 2,4 3 3,6 4,2 5,8 6,4 1 2,5 t [s] 3 7 7,6 8,2 8,8 9,4 10 5,5 6,5 4 4,5 5 7 102 7,5 7,5 8 8 9 9,5 1,5 10 1,2 0,6 9 9,5 1,5 10 10,5 10,5 12 I2t ON 1 12 102 T4 10-3 10-1 1 10 x In 1 T6 T5 T5 T6 400 630 630 800 1000 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 fault current values higher than 1600 A, the circuit-breaker trips instantaneously through magnetic protection. 2 Trip curves of electronic releases PR221 Introduction The following figures show the curves of the single protection functions available in the electronic releases. The setting ranges and resolution are referred to setting operations to be carried out locally. 2 Trip curves 3 General characteristics 3 General characteristics Trip curve electronic releases Trip curve electronic releases T4 250/320 T5 400/630 T6 630/800/1000 PR222DS/P PR222DS/PD PR223DS T4 250/320 T5 400/630 T6 630/800/1000 PR222DS/P PR222DS/PD PR223DS 104 0,4-0,42-0,44-0,46-0,48-0,5-0,52-0,54-0,56-0,58-0,6-0,62-0,64-0,66-0,680,7-0,72-0,74-0,76-0,78-0,8-0,82-0,84-0,86-0,88-0,9-0,92-0,94-0,96-0,98-1 0,18 (1) 0,4 1,2 1,8 2,4 1 3 3,6 4,2 5,8 6,4 7 7,6 8,2 8,8 9,4 10 5,5 2,5 3 4 0,6 102 L-S-I Functions (I2t const = OFF) 6,5 4,5 7 5 0,4-0,42-0,44-0,46-0,48-0,5-0,52-0,54-0,56-0,58-0,6-0,62-0,64-0,66-0,680,7-0,72-0,74-0,76-0,78-0,8-0,82-0,84-0,86-0,88-0,9-0,92-0,94-0,96-0,98-1 0,18 (1) 103 103 L-S-I Functions (I2t const = ON) t [s] 104 0,4 1,8 2,4 3 3,6 4,2 5,8 6,4 1 2,5 t [s] 3 7 7,6 8,2 8,8 9,4 10 5,5 6,5 4 4,5 5 7 102 7,5 7,5 8 8 9 9,5 1,5 10 1,2 0,6 9 9,5 1,5 10 10,5 10,5 12 I2t ON 1 12 102 T4 10-3 10-1 1 10 x In 1 T6 T5 T5 T6 400 630 630 800 1000 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 T4 In = 320 A, T5 In = 630 A and T6 In = 630 A ⇒ I3 max = 10 x In. Only the electronic settings are available. 9-1 In disabled at 8 In t=k 10-1 10-1 T7 S,H,L t=k T7 V 10-2 10-2 10-3 10-3 10-1 10 1 10 x In 102 I [kA] 10-1 1 10 10 2 I [kA] For T7 In = 1250 A, 1600 A ⇒ I3 max = 12 x In. 13 0,5 0,4 103 102 0,7 0,95 0,6 0,8 1 0,9 1,5 t [s] t [s] 2 D C 102 10 B 4 A 6 8 D C 101 1 10 12 B A 1 10-1 10-2 10-3 10-1 10 1 10 2 I [kA] 10-2 10-1 1 1,05 101 Note: for PR211/P-I releases, consider the curves relevant to function I only.

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ABB Electrical Installtion Handbook by Malestorm


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