ABB RELION Series - User-Programmable Inverse-Time Characteristics for Undervoltage Protection

GUID-B55D0F5F-9265-4D9A-A7C0-E274AA3A6BB1 V1 EN
Figure 410: Inverse curve B characteristic of undervoltage protection
11.3.2.2 User-programmable inverse-time characteristics for undervoltage
protection
The user can define curves by entering parameters into the standard formula:
1MRS758755 A Section 11
General function block features
REC615 and RER615 755
Technical Manual