ABB RET670 Applications Manual

Name Values (Range) Unit Step Default Description
t2 0.000 - 60.000 s 0.001 5.000 Definitive time delay of step 2
t2Min 0.000 - 60.000 s 0.001 5.000 Minimum operate time for inverse curves for
step 2
TD2 0.05 - 1.10 - 0.01 0.05 Time multiplier for the inverse time delay for
step 2
IntBlkSel2 Disabled
Block of trip
Block all
- - Disabled Internal (low level) blocking mode, step 2
IntBlkStVal2 1 - 100 %VB 1 20 Voltage setting for internal blocking in % of
VBase, step 2
tBlkUV2 0.000 - 60.000 s 0.001 0.000 Time delay of internal (low level) blocking for
step 2
HystAbs2 0.0 - 100.0 %VB 0.1 0.5 Absolute hysteresis in % of VBase, step 2
Table 124: UV2PTUV (27) Group settings (advanced)
Name Values (Range) Unit Step Default Description
tReset1 0.000 - 60.000 s 0.001 0.025 Reset time delay used in IEC Definite Time
curve step 1
ResetTypeCrv1 Instantaneous
Frozen timer
Linearly decreased
- - Instantaneous Selection of used IDMT reset curve type for
step 1
tIReset1 0.000 - 60.000 s 0.001 0.025 Time delay in Inverse-Time reset (s), step 1
ACrv1 0.005 - 200.000 - 0.001 1.000 Parameter A for customer programmable
curve for step 1
BCrv1 0.50 - 100.00 - 0.01 1.00 Parameter B for customer programmable
curve for step 1
CCrv1 0.0 - 1.0 - 0.1 0.0 Parameter C for customer programmable
curve for step 1
DCrv1 0.000 - 60.000 - 0.001 0.000 Parameter D for customer programmable
curve for step 1
PCrv1 0.000 - 3.000 - 0.001 1.000 Parameter P for customer programmable
curve for step 1
CrvSat1 0 - 100 % 1 0 Tuning param for prog. under voltage Inverse-
Time curve, step 1
tReset2 0.000 - 60.000 s 0.001 0.025 Reset time delay used in IEC Definite Time
curve step 2
ResetTypeCrv2 Instantaneous
Frozen timer
Linearly decreased
- - Instantaneous Selection of Time Delay reset curve for step 2
tIReset2 0.000 - 60.000 s 0.001 0.025 Time delay in Inverse-Time reset (s), step 2
ACrv2 0.005 - 200.000 - 0.001 1.000 Parameter A for customer programmable
curve for step 2
Table continues on next page
Section 3 1MRK504116-UUS C
IED application
514
Application manual

ABB RET670 Specifications

General

Rated Frequency	50/60 Hz
Inputs	Analog and binary inputs
Application	Protection of power systems
Communication Protocols	IEC 61850, DNP3, Modbus
Operating Temperature Range	-25°C to +55°C
Mounting	Rack mounted
Number of Binary Inputs	Up to 48
Number of Binary Outputs	32
Protection Functions	Overcurrent Protection
Outputs	Binary outputs
Enclosure	IP 54
Type	Line Differential Protection
Number of Analog Inputs	24