Summary Of Protection Settings - Siemens 7SR242 Duobias Technical Manual

Summary of Protection Settings

CT/VT CONFIG >
W1 Phase Input
W1 Phase CT Ratio
W2 Phase Input
W2 Phase CT Ratio
FUNCTION CONFIG>
Gn Differential
Gn Inrush Detector
DIFFERENTIAL PROT'N >
Gn W1 ICT Multiplier
Gn W1 ICT Connection
Gn W2 ICT Multiplier
Gn W2 ICT Connection
(Note that the above settings produce ICT
DIFFERENTIAL PROT'N > 87BD >
Gn 87 BD Element
Gn 87BD Initial:
Gn 87BD 1st Bias Slope:
Gn 87BD 1st Bias Slope Limit:
Gn 87BD 2nd Bias Slope Type:
Gn 87BD 2nd Bias Slope:
Gn 87BD Delay:
Gn 87BD Inrush Action:
Gn 87BD Overfluxing Action:
DIFFERENTIAL PROT'N > 87HS >
Gn 87 HS Element
Gn 87HS Setting:
Gn 87HS Delay:
Gn 87HS Inrush Action:
Gn 87HS Overfluxing Action:
SUPERVISION > INRUSH DETECTOR >
Gn 81HBL2 Element
Gn 81HBL2 Bias
Gn 81HBL2 Setting
OUTPUT CONFIG>OUTPUT MATRIX>
87BD
87HS
OUTPUT CONFIG>BINARY OUTPUT CONFIG>
CB1 Trip Contacts
CB2 Trip Contacts
©2015 Siemens Protection Devices Limited
1A
300:1
1A
560:0.58
Enabled
Enabled
1.54
Yy0
1.30
Yd11
= 1.00)
OUT
Enabled
0.2 x In (0.2 x ICT
0.2x (OLTC = +5% to -15%)
5 x In (1/0.1 x 0.5 = 5 x ICT
Line (Default value)
1.5x (Default value)
0.005s
Inhibit
Off
Enabled
10 x In (> I
3PH THRU FAULT
0.005s
Off
Off
Enabled
Cross (Default value)
0.2 x I (Default value)
BOn, Ln
BOn, Ln
BOn
BOn
)
OUT
)
OUT
i.e. 1/0.1 = 10 x ICT
Chapter 7 Page 24 of 64
)
OUT