User-Programmable Inverse-Time Characteristics For Undervoltage Protection - ABB RELION Series Technical Manual

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