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SIPROTEC 7XR81
Siemens SIPROTEC 7XR81
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Manual
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Block Diagram
[dw_7xr86 block diagram, 1, en_US]
Figure 3-1
Block Diagram of the new 7XR86
3.1
7XR86 Voltage Divider (5:1, 5:2)
3.1 Block Diagram
38
SIPROTEC, Coupling Units for Generator Protection, Manual
C53000-H5040-C072-1, Edition 09.2018
37
39
Table of Contents
Main Page
Default Chapter
3
Preface
3
Table of Contents
7
7 XR81 - Coupling Device for Rotor Ground-Fault Protection
11
Block Diagram
12
Connection Notes
13
Overview
13
Connection Data for Terminal B
13
Connection Data for Terminal a
13
Construction Properties
15
Mechanical Structure
15
Dimensions
16
Panel Surface Mounting
16
Panel Flush Mounting
17
Connection Examples
18
Technical Data
19
Auxiliary Voltage and Output Ratings
19
Load Capability of the Capacitive Coupling Circuit
19
Weight
19
Electrical Tests
20
Standards
20
Installation Requirements
20
Insulation and Safety Tests
20
EMC Immunity Tests (Type Tests, Test under Mounting Conditions)
20
Mechanical Tests
21
Vibration and Shock Stress in Stationary Use
21
Vibration and Shock Stress During Transport
21
Environmental Conditions
22
Temperatures
22
Humidity
22
Other Environmental Information
22
Protection Degree According to IEC 60529
23
7 XR8004 - Resistor Coupling Unit for 7XT71
25
Block Diagram (New 7XR8004)
26
Connection Notes
27
Overview
27
Connection Data for the Power Resistors (3.3 Kω, 2 X 40 Kω)
27
Construction Properties
28
Mechanical Structure
28
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
7 XR86 Voltage Divider (5:1, 5:2)
37
Block Diagram
38
Connection Notes
39
Construction Properties
40
Mechanical Structure
40
Dimensions
40
2.3.2.1 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
7 XR87 Voltage Divider for Excitation Voltage
47
Block Diagram
48
Connection Notes
49
Overview
49
Connection Data for Terminal C
49
Connection Data for Terminal a and B
50
Commissioning and Maintenance
62
Unpacking a Device
62
Commissioning
63
Storing a Device
64
Repacking a Device
65
Returning a Device
66
Environmental Protection Hints
67
Index
69
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