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T1000 PLUS
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DOC. MIE91093
Rev. 1.34
Page 143 of
145
Here
are
the
nominal
i
nverse
time
characteris
tics
for
Normal,
Very,
Extremel
y
and
Long
Time
Inverse,
p
lotted
for
KT
from
0,1 to 1, for the cas
e of IEC defini
tions.
142
144
Table of Contents
Main Page
Table of Contents
3
Short Foreword
7
Safety at Work
8
Introduction
11
Application Examples
14
Overcurrent Relay Testing
16
Introduction
16
Connection to Current Outputs
17
I> Threshold and Drop-Off
19
I>> Threshold and Drop-Off
20
Trip and Drop-Off Timing
21
Over and under Voltage
21
Introduction
21
Connection to Voltage Output
22
V> Threshold and Drop-Off
24
Trip and Drop-Off Timing
25
Hint: How to Test a Three-Phase Voltage Relay25
25
Hint: Vector Group Test for a PT Transformer
26
DC Voltage Relay Testing
28
Introduction
28
Connection to Voltage Output
28
V< Threshold and Drop-Off
30
Trip and Drop-Off Timing
31
Reverse Power Relay Testing
32
Introduction
32
Connection of the Relay
33
P% Threshold and Drop-Off
37
Threshold and Drop-Off of Other Points
37
Trip and Drop-Off Timing
38
Directional Relay Testing
39
Introduction
39
Connection of the Relay
41
MTA and Angle Sector
44
Curve Test
46
Trip and Drop-Off Timing
47
Over and under Frequency Relay Testing
48
Introduction
48
Connection to Voltage Output
49
F> Threshold and Drop-Off
50
F< Threshold and Drop-Off
51
F<< Threshold and Drop-Off
52
Trip and Drop-Off Timing
52
Frequency Rate of Change Relay Testing
54
Introduction
54
Connection to Voltage Output
55
MXROC Threshold
57
F>> Threshold and Drop-Off
58
T2 Trip and Drop-Off Timing
58
F> Threshold
58
Synchronizing Relay Testing
60
Introduction
60
Connection to Voltage Outputs
61
Voltage Threshold and Drop-Off
63
Angle Threshold
64
Frequency Threshold
64
Timer Test
68
Loss of Field Relay Testing
69
Automatic Recloser Testing
73
Introduction
73
Normal Recloser Test
76
Normal Recloser Test Programming
80
Pole Mounted CB Test
82
Pole Mounted CB Test Programming
85
Distance Relay Testing
87
Introduction
87
Definition of Terms
89
Relay Connection
90
Test Conduction
92
Single Phase Fault
93
Phase to Phase Fault
97
Three Phase Fault
101
Test of Converters
105
Test of Energy Meters
107
Transformer Differential Relay Testing with D1000 or Td1000 Plus
112
Introduction
112
The Transformer
112
The Restraint and the Differential Current
114
Connection to the Relay
115
Characteristic Curve Test
119
Displaying Characteristic with X-Pro 1000
121
Connections for Different Transformers
123
Second Harmonic Restraint Test
124
Primary End to End Test
125
Test Setup
127
Use of SWT3
129
T1000 PLUS Setup for End to End Test
130
Line Differential Tests
131
Thermal Relay Testing
132
Low - Voltage and Medium Voltage Circuit Breaker Tests
133
Introduction
133
Connection to Current Outputs
134
I> Threshold
135
Intervention Curve
136
Ct Saturation Knee Test
136
Introduction
136
Test Set Connection
137
Test Execution
138
Appendix 1 Overcurrent Relays
140
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