Table of Contents
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SIPROTEC
Coupling Units
for Generator Protection
7XR81, 7XR87, 7XR86,
7XR8004
Manual
C53000-H5040-C072-1
Preface
Table of Contents
7XR81 – Coupling Device
for Rotor Ground-Fault Protection
7XR8004 – Resistor Coupling Unit
for 7XT71
7XR86 Voltage Divider (5:1, 5:2)
7XR87 Voltage Divider for Excitation
Voltage
Commissioning and Maintenance
Index
1
2
3
4
A
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