Specifications

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7SR242 Duobias Performance Specification

©2010 Siemens Protection Devices Limited Chapter 3 - Page 39 of 45

2.15 87 Biased Differential

2.15.1 Reference

Parameter Value

ICT

Multiplier 1.00x

I

init

Initial Setting 0.1, 0.15… 2 xIn

I

B1

1

st

Bias Slope setting 0.1, 0.15… 0.7 x

I

B1L

1

st

Bias Slope Limit 1, 2… 20 xIn

I

B2

2

nd

Bias Slope setting 1, 1.05… 2 x

I

B2T

2

nd

Bias Slope Type setting Line, Curve

ts

Delay setting 0, 0.005… 1s