Inputs And Outputs; Ct/Vt Inputs; Binary Inputs; Binary Outputs - ABB RELION REB500 Technical Manual

1MRK 505 406-UEN B
c = 0.02
c = 1
c = 2
• Insensitive to DC component
• Insensitive to harmonics
• Voltage memory feature for close faults
5.5.3

Inputs and outputs

5.5.3.1

CT/VT inputs

• Current
• Voltage
5.5.3.2

Binary inputs

• Blocking
• PLC receive
5.5.3.3

Binary outputs

• Start
• Start L1
• Start L2
• Start L3
• Forwards measurement
• Backwards measurement
• Tripping
5.5.3.4

Measurements

• Current amplitude
Amplitude of the three-phase currents (I
• Active power
A positive measurement indicates the forwards direction (I
• Voltage amplitude
Amplitudes of the phase-to-phase voltages (U
5.5.4

Function settings

Table 75:
Text
ParSet4..1
CurrentInp
VoltageInp
I-Setting
Angle
Table continues on next page
Bay protection functions REB500
Technical manual
: normal inverse
: very inverse and long time earth fault
: extremely inverse
Directional overcurrent inverse time function - settings
Unit
CT/VT-Addr
CT/VT-Addr
IN
Deg
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, I , I )
L1 L2 L3
L1
, U , U
L2L3 L3L1 L1L2
Default Min
P1 (Select)
CT I1-I3
VT U1-U3
2.00 0.20
45 -180
Section 5
Bay protection functions
GUID-BF590066-EAD6-44A1-93E8-312890FCE7E0 v1
GUID-BD06D555-60CE-4A51-9077-81CE1142256E v1
GUID-C59C9A87-BD2E-4EE1-9A71-847ADC642458 v1
GUID-D59AA2D3-FAEF-4F61-B7A1-1C8C6BA71BB7 v1
× U , I × UL3 , I × U
L2L3 L2 L1 L3
)
GUID-E0DE2E94-EF62-4944-AE37-55CC917D3A30 v1
Max Step
20.00 0.01
+180 15
)
L1L2
105