Siemens SIPROTEC 7XR8004, Manual

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Table of Contents
Preface..........................................................................................................................................................3
1 7XR81 – Coupling Device for Rotor Ground-Fault Protection.....................................................................11
1.1
Block Diagram...................................................................................................................12
1.2 Connection Notes............................................................................................................. 13
1.2.1 Overview.....................................................................................................................13
1.2.2 Connection Data for Terminal B................................................................................... 13
1.2.3 Connection Data for Terminal A................................................................................... 13
1.3 Construction Properties.....................................................................................................15
1.3.1 Mechanical Structure...................................................................................................15
1.3.2 Dimensions................................................................................................................. 16
1.3.2.1 Panel Surface Mounting......................................................................................... 16
1.3.2.2 Panel Flush Mounting.............................................................................................17
1.4 Connection Examples........................................................................................................18
1.5 Technical Data.................................................................................................................. 19
1.5.1 Auxiliary Voltage and Output Ratings........................................................................... 19
1.5.2 Load Capability of the Capacitive Coupling Circuit........................................................ 19
1.5.3 Weight........................................................................................................................ 19
1.6 Electrical Tests.................................................................................................................. 20
1.6.1 Standards.................................................................................................................... 20
1.6.2 Installation Requirements............................................................................................ 20
1.6.3 Insulation and Safety Tests.......................................................................................... 20
1.6.4 EMC Immunity Tests (Type Tests, Test under Mounting Conditions)..............................20
1.7 Mechanical Tests...............................................................................................................21
1.7.1 Vibration and Shock Stress in Stationary Use................................................................ 21
1.7.2 Vibration and Shock Stress during Transport................................................................ 21
1.8 Environmental Conditions................................................................................................. 22
1.8.1 Temperatures.............................................................................................................. 22
1.8.2 Humidity..................................................................................................................... 22
1.8.3 Other Environmental Information................................................................................ 22
1.9 Protection Degree according to IEC 60529.........................................................................23
2 7XR8004 – Resistor Coupling Unit for 7XT71............................................................................................. 25
2.1
Block Diagram (new 7XR8004).......................................................................................... 26
2.2 Connection Notes............................................................................................................. 27
2.2.1 Overview.....................................................................................................................27
2.2.2 Connection Data for the Power Resistors (3.3 kΩ, 2 x 40 kΩ)........................................27
2.3 Construction Properties.....................................................................................................28
2.3.1 Mechanical Structure...................................................................................................28
SIPROTEC, Coupling Units for Generator Protection, Manual 7
C53000-H5040-C072-1, Edition 09.2018