ABB RELION 611 Series Technical Manual page 252
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Also See for RELION 611 Series:
- Engineering manual (108 pages) ,
- Applications manual (76 pages) ,
- Installation manual (68 pages)
Table of Contents
Section 4
Protection functions
246
GUID-F0214060-11E8-42F7-B3B9-AF5AC08A1079 V1 EN
Figure 118:
MNSPTOC Inverse Curve A
If the negative sequence current drops below the Start value setting, the reset time is
defined as:
b
t s
a
[ ]
= ×
100
GUID-8BE4B6AC-FB61-4D30-B77B-3E599D5BAE81 V1 EN
t[s] Reset time in seconds
Cooling time
a
set
b
percentage of start time elapse (START_DUR)
1MRS757454 D
(Equation 27)
611 series
Technical Manual
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