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Woodward XRN2 Mains Decoupling Relay Manuals
Manuals and User Guides for Woodward XRN2 Mains Decoupling Relay. We have
1
Woodward XRN2 Mains Decoupling Relay manual available for free PDF download: Manual
Woodward XRN2 Manual (50 pages)
Mains decoupling relay
Brand:
Woodward
| Category:
Relays
| Size: 1 MB
Table of Contents
Table of Contents
3
1 Introduction and Application
5
2 Features and Characteristics
6
3 Design
7
Connections
7
Analog Input Circuits
7
Blocking Input
7
Reset Input
7
Output Relays
7
Power Supply
8
Data Communication
8
Front Plate
9
Indication- and Operation Elements
9
Display
10
Leds
12
Front Plate XRN2-1
12
Front Plate XRN2-2
12
Parameter Settings
13
4 Working Principle
14
Analog Circuits
14
Digital Circuits
14
Voltage Supervision
14
Selection of Star or Delta Connection
15
Principle of Frequency Supervision
16
Measuring of Frequency Gradient (XRN2-2)
16
Vector Surge Supervision (XRN2-1)
17
Measuring Principle of Vector Surge Supervision
19
Voltage Threshold Value for Frequency Measuring
23
Blocking Function
23
5 Operation and Setting
24
Push Buttons
24
Indication of Measuring Values and Fault Data
25
DIP Switches
26
Function of the Output Relays
26
Reset
27
Password
27
Password Programming
27
Using the Password
27
Relay Setting Principle
28
Setting of Default Parameters
28
Blocking the Protection Functions
28
Display of Software Version and Test-TRIP
28
Low/High Range of Functions Blocking and Reset
29
6 Special Settings
30
Adjustable Parameters
30
Setting Procedure
31
Parameter Setting of Over- and Undervoltage Supervision
31
Setting of Nominal Frequency
31
Number of Measuring Repetitions (T) for Frequency Functions
31
Threshold of Frequency Supervision
32
Tripping Delays for the Frequency Elements
32
Parameter Setting of Vector Surge Supervision (XRN2-1)
32
Parameter Setting of Frequency Gradient (XRN2-2)
33
Voltage Threshold Value for Frequency and Vector Surge Measuring (Df/Dt at XRN2-2)
33
Adjustment of the Slave Address
33
Setting Procedure for Blocking the Protection Functions
33
Indication of Measuring Values
34
Min./Max.- Values
34
Reset
35
7 Relay Testing and Commissioning
36
Power-On
36
Testing the Output Relays
36
Checking the Set Values
37
Secondary Injection Test
37
Test Equipment
37
Example of Test Circuit
37
Checking the Input Circuits and Measuring Functions
38
Checking the Operating and Reset-Ting Values of the Over/Undervoltage Functions
38
Checking the Relay Operating Time of the Over/Undervoltage Functions
39
Checking the Operating and Reset-Ting Values of the Over/Underfrequency Functions
39
Checking the Relay Operating Time of the Over/Underfrequency Functions
39
Checking the Vector Surge Function
40
Checking the External Blocking and Reset Functions
41
Primary Injection Test
41
Maintenance
41
8 Technical Data
42
Measuring Input Circuits
42
Common Data
42
Setting Ranges and Steps
43
Output Relays
44
Power Supply
44
Inputs, Blockage and Reset
44
System Data and Test Specifications
45
Relay Case
46
9 Order Form
47
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