2
TB XRN2 02.00 E
Contents
1
Introduction and application
2
Features and characteristics
3 Design
3.1 Connections
3.1.1
Analog input circuits
3.1.2 Blocking
input
3.1.3 Reset
input
3.1.4 Output
relays
3.1.5 Data
communication
3.2 Front
plate
3.2.1
Indication- and operation elements
3.2.2 Display
3.2.3 LEDs
3.2.4 Front
plate
XRN2-1
3.2.5 Front
plate
XRN2-2
3.2.6 Parameter
settings
4 Working
principle
4.1 Analog
circuits
4.2 Digital
circuits
4.3 Voltage
supervision
4.3.1
Selection of star or delta connection
4.4
Principle of frequency supervision
4.5
Measuring of frequency gradient
(
XRN2-2
)
4.6
Vector surge supervision (
XRN2-1
)
4.6.1
Measuring principle of vector surge
supervision
4.7
Voltage threshold value for frequency
measuring
4.8 Blocking
function
5
Operation and setting
5.1 Push
buttons
5.1.1
Indication of measuring values and
fault data
5.2 DIP
switches
5.2.1
Function of the output relays6
5.3 Reset
5.4 Password
5.4.1 Password
programming
5.4.2
Using the password
5.5
Relay setting principle
5.5.1
Setting of default parameters
5.5.2
Blocking the protection functions
5.6
Display of software version and
test-TRIP
5.7
Low/High range of functions
blocking and reset
6 Special
settings
6.1 Adjustable
parameters
6.2 Setting
procedure
6.2.1
Parameter setting of over- and
undervoltage supervision
6.2.2
Setting of nominal frequency
6.2.3
Number of measuring repetitions (T)
for frequency functions
6.2.4
Threshold of frequency supervision
6.2.5
Tripping delays for the frequency
elements
6.2.6
Parameter setting of vector surge
supervision (
XRN2-1
)
6.2.7
Parameter setting of frequency
gradient (
XRN2-2
)
6.2.8
Voltage threshold value for frequency
and vector surge measuring (df/dt at
XRN2-2
)
6.2.9
Adjustment of the slave address
6.2.10 Setting procedure for blocking the
protection functions
6.3
Indication of measuring values
6.3.1 Min./Max.-
values
6.4 Reset
7
Relay testing and commissioning
7.1 Power-On
7.2
Testing the output relays
7.3
Checking the set values
7.4
Secondary injection test
7.4.1 Test
equipment
7.4.2
Example of test circuit
7.4.3
Checking the input circuits and
measuring functions
7.4.4
Checking the operating and resetting
values of the over/undervoltage
functions
7.4.5
Checking the relay operating time of
the over/undervoltage functions
7.4.6
Checking the operating and resetting
values of the over/underfre-quency
functions
7.4.7
Checking the relay operating time of
the over/underfrequency functions
7.4.8
Checking the vector surge function
7.4.9
Checking the external blocking and
reset functions
7.5
Primary injection test
7.6 Maintenance
8 Technical
data
8.1
Measuring input circuits
8.2 Common
data
8.3
Setting ranges and steps
8.4 Output
relays
8.5
Power supply
8.6
Inputs, blockage and reset
8.7
System data and test specifications
8.8
Relay case
9 Order
form
Summary of Contents for XRN2
Page 1: ...XRN2 Mains decoupling relay ...
Page 40: ...40 TB XRN2 02 00 E ...