Relay RACIC (ABB) 2

[Eng.Edward.M]

Good morning, I have a question regarding the RACIC relay (ABB). If I set it to 0.1s, there is a multiplication factor of T=2s. With that my time would be 0.2s?

 

[sushilksk]

It is timer T2, as per manula it can have value 2s or 6s

 

[Eng.Edward.M]

Thanks for the answer, just wanted to understand if the relay is set to 0.1 and T2s will the curve have a time of 0.2 s or the curve will be at 0.1?

 

[JG2828]

T2 indicates you need to use the Very Inverse curve on Figure 14. So if your setting is 0.1, use the 2nd curve from the bottom.
Pickup time is on the left. Multiples of pickup (starting) current is on the bottom.
So if your starting current is set to 1.25 and you inject 10x that (12.5A), then you should get a time of about 0.18 seconds.

https://library.e.abb.com/public/fc...a82/UG03-2313E_en_RACIC_Feeder_protection.pdf