ABB RELION 620 Series Technical Manual page 150

Section 4
Protection functions
144
Operating curve type
(6) Long Time Extremely Inverse
(7) Long Time Very Inverse
(8) Long Time Inverse
(9) IEC Normal Inverse
(10) IEC Very Inverse
(11) IEC Inverse
(12) IEC Extremely Inverse
(13) IEC Short Time Inverse
(14) IEC Long Time Inverse
(15) IEC Definite Time
(17) User programmable
(18) RI type
(19) RD type
50P-3 supports only definite time characteristic.
For a detailed description of timers, see the
features section in this manual.
Table 90: Reset time characteristics supported by different stages
Reset curve type
(1) Immediate
(2) Def time reset
(3) Inverse reset
The Type of reset curve setting does not apply to 50P-3 or when the DT
operation is selected. The reset is purely defined by the Reset delay time
setting.
51P 50P-1/2
x x
x x
x x
1MAC504801-IB E
51P 50P-1/2
x
x
x
x x
x x
x
x x
x
x
x x
x x
x
x
General function block
Note
Available for all reset time curves
Available for all reset time curves
Available only for ANSI and user
programmable curves
620 series ANSI
Technical Manual