Siemens SIPROTEC 7SJ61 Manual page 260

Multi-functional protective relay with bay controller

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Table of Contents

Mounting and Commissioning

3.1 Mounting and Connections

This results in an upper limit for the resistance dimension, R

value of the arithmetic mean R should be selected:

In order that the minimum voltage for controlling the binary input is ensured, R

So the circuit breaker trip coil does not remain energized in the above case, R

Trip circuit supervision with one binary input

, and a lower limit R

, from which the optimal

is derived as:

is derived as:

SIPROTEC, 7SJ61, Manual

C53000-G1140-C210-1, Release date 02.2008