ABB RER620 Technical Manual page 20

Section
14
Settings ........................................................................................... 446
Technical data ................................................................................. 446
Generic control points SPCGGIO......................................................... 447
Function block ................................................................................. 447
Functionality .................................................................................... 447
Signals............................................................................................. 448
Settings ........................................................................................... 449
Set-reset flip flops SRGAPC................................................................. 449
Function block ................................................................................. 449
Functionality .................................................................................... 449
Signals............................................................................................. 450
Settings ........................................................................................... 451
Time-delay-off timers TOFGAPC ......................................................... 452
Function block ................................................................................. 452
Functionality .................................................................................... 452
Signals............................................................................................. 453
Settings ........................................................................................... 454
Technical data ................................................................................. 454
Time-delay-on timers TONGAPC ......................................................... 455
Function block ................................................................................. 455
Functionality .................................................................................... 455
Signals............................................................................................. 456
Settings ........................................................................................... 457
Technical data ................................................................................. 457
Section 10 General function block features ........................................ 459
Definite time characteristics.................................................................. 459
Definite time operation .................................................................... 459
Current based inverse definite minimum time characteristics .............. 463
IDMT curves for overcurrent protection........................................... 463
Standard inverse-time characteristics ........................................ 465
Recloser inverse-time characteristics ........................................ 480
User-programmable inverse-time characteristics....................... 521
RI and RD-type inverse-time characteristics.............................. 521
Reset in inverse-time modes........................................................... 524
Inverse-timer freezing...................................................................... 533
Voltage based inverse definite minimum time characteristics .............. 534
IDMT curves for overvoltage protection .......................................... 534
Standard inverse-time characteristics for overvoltage
protection ................................................................................... 537
User programmable inverse-time characteristics for
overvoltage protection................................................................ 540
IDMT curve saturation of overvoltage protection ....................... 541
1MAC309294-MB F
RER620
Technical Manual