Settings - ABB RET650 Technical Manual

Relion 650 series transformer protection
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1MRK 504 135-UEN A
8.9.5
Table 126:
DNSPTOC Group settings (basic)
Name
Values (Range)
Operation
RCADir
ROADir
LowVolt_VM
Operation_OC1
StartCurr_OC1
CurrMult_OC1
tDef_OC1
DirMode_OC1
DirPrinc_OC1
ActLowVolt1_VM
Operation_OC2
StartCurr_OC2
Table continues on next page
Technical manual
Table 125:
DNSPTOC Output signals
Name
TRIP
TROC1
TROC2
START
STOC1
STOC2
DIROC1
DIROC2
CURRENT
VOLTAGE
UIANGLE

Settings

Unit
Off
-
On
-180 - 180
Deg
1 - 90
Deg
0.0 - 5.0
%UB
Off
-
On
2.0 - 200.0
%IB
1.0 - 10.0
-
0.00 - 6000.00
s
Non-directional
-
Forward
Reverse
I&U
-
IcosPhi&U
Non-directional
-
Block
Off
-
On
2.0 - 200.0
%IB
Type
Description
BOOLEAN
General trip signal
BOOLEAN
Trip signal from step 1 (OC1)
BOOLEAN
Trip signal from step 2 (OC2)
BOOLEAN
General start signal
BOOLEAN
Start signal from step 1 (OC1)
BOOLEAN
Start signal from step 2 (OC2)
INTEGER
Directional mode of step 1(non-directional,
forward, reverse)
INTEGER
Directional mode of step 2 (non-directional,
forward, reverse)
REAL
Measured current value
REAL
Measured voltage value
REAL
Angle between voltage and current
Step
Default
-
Off
1
-75
1
75
0.1
0.5
-
Off
1.0
10.0
0.1
2.0
0.01
0.50
-
Non-directional
-
I&U
-
Block
-
Off
1.0
10.0
Section 8
Current protection
Description
Operation Off / On
Relay characteristic angle
Relay operate angle
Voltage level in % of Ubase below which
ActLowVolt control takes over
Operation Off/On for step 1 (OC1)
Operate current level in % of IBase for
step 1 (OC1)
Multiplier for current operate level for step
1 (OC1)
Independent (definite) time delay for step
1 (OC1)
Directional mode of step 1 (non-
directional, forward, reverse)
Measuring on I & U or IcosPhi & U for step
1 (OC1)
Low votlage level action for step 1 (Non-
directional, Block, Memory)
Operation Off/On for step 2 (OC2)
Operate current level in % of Ibase for step
2 (OC2)
199

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