Siemens SIPROTEC 7XR81 Manual page 8

Table of Contents
2.3.2
2.3.2.1
2.3.3
2.4
2.4.1
2.4.2
2.5
2.5.1
2.5.2
2.5.3
2.5.4
2.6
2.7
2.7.1
2.7.2
2.7.3
2.8
3 7XR86 Voltage Divider (5:1, 5:2)................................................................................................................ 37
3.1
3.2
3.3
3.3.1
3.3.2
3.3.2.1
3.4
3.4.1
3.4.2
3.5
3.5.1
3.5.2
3.5.3
3.5.4
3.6
3.7
3.7.1
3.7.2
3.7.3
3.8
4 7XR87 Voltage Divider for Excitation Voltage............................................................................................47
4.1
4.2
4.2.1
4.2.2
4.2.3
8
Dimensions................................................................................................................. 29
Panel Surface Mounting......................................................................................... 29
Connection Examples.................................................................................................. 29
Technical Data.................................................................................................................. 32
Load Capability of the Capacitive Coupling Circuit........................................................ 32
Weight........................................................................................................................ 32
Electrical Tests.................................................................................................................. 33
Standards.................................................................................................................... 33
Installation Requirements............................................................................................ 33
Insulation and Safety Tests.......................................................................................... 33
EMC Immunity Tests (Type Tests, Test under Mounting Conditions)..............................33
Mechanical Tests...............................................................................................................34
Environmental Conditions................................................................................................. 35
Temperatures.............................................................................................................. 35
Humidity..................................................................................................................... 35
Other Environmental Information................................................................................ 35
Protection Degree according to IEC 60529.........................................................................36
Block Diagram...................................................................................................................38
Connection Notes............................................................................................................. 39
Construction Properties..................................................................................................... 40
Mechanical Structure................................................................................................... 40
Dimensions................................................................................................................. 40
Panel Surface Mounting......................................................................................... 40
Technical Data.................................................................................................................. 41
Load Capability of the Voltage Divider.......................................................................... 41
Weight........................................................................................................................ 41
Electrical Tests.................................................................................................................. 42
Standards.................................................................................................................... 42
Installation Requirements............................................................................................ 42
Insulation and Safety Tests.......................................................................................... 42
EMC Immunity Tests (Type Tests, Test under Mounting Conditions)..............................42
Mechanical Tests...............................................................................................................43
Environmental Conditions................................................................................................. 44
Temperatures.............................................................................................................. 44
Humidity..................................................................................................................... 44
Other Environmental Information................................................................................ 44
Protection Degree according to IEC 60529.........................................................................45
Block Diagram...................................................................................................................48
Connection Notes............................................................................................................. 49
Overview.....................................................................................................................49
Connection Data for Terminal C................................................................................... 49
Connection Data for Terminal A and B..........................................................................50
SIPROTEC, Coupling Units for Generator Protection, Manual
C53000-H5040-C072-1, Edition 09.2018