10.10
SEL-700G Relay
Instruction Manual
Date Code 20170814
Testing and Troubleshooting
Commissioning Tests
Step 5. Use Figure 10.6 and Table 10.5 to repeat Step 1 through Step 4.
Figure 10.6
CTRY Current Source Connections
Power and Power Factor Measuring Accuracy
Wye-Connected Voltages
Perform the following steps to test wye-connected voltages:
Step 1. Connect the current source to the relay, as shown in Figure 10.5
or Figure 10.6.
Step 2. Connect the voltage source to the relay, as shown in
Figure 10.7. Make sure that DELTAY_m := WYE
(m = X or Y).
Figure 10.7
Wye Voltage Source Connections
Step 3. Using the front-panel
SET/SHOW
or the serial port SHOW
command, record the CTRm, PTR
m
, and PHROT setting
values.
Table 10.5
CTRY Phase Current Measuring Accuracy
a
a
The displayed quantities are model dependent.
|I| Applied
(A secondary)
b
b
I
YNOM
= rated secondary amps (1 or 5).
Expected
Reading
CTRY x |I|
A–Phase
Reading
(A primary)
B–Phase
Reading
(A primary)
C–Phase
Reading
(A primary)
0.2 • I
YNOM
0.9 • I
YNOM
2.0 • I
YNOM
SEL-700G
Current
Test
Source
IA
IB
IC
ICY
IBY
IAY
IN
E01
E02
E03
E04
E05
E06
SEL-700G
Slot E or Z
09
10
11
12
Voltage
Test
Source
VA
VB
VC
VN
Summary of Contents for SEL-700G Series
Page 14: ...This page intentionally left blank ...
Page 22: ...This page intentionally left blank ...
Page 32: ...This page intentionally left blank ...
Page 52: ...This page intentionally left blank ...
Page 106: ...This page intentionally left blank ...
Page 510: ...This page intentionally left blank ...
Page 560: ...This page intentionally left blank ...
Page 578: ...This page intentionally left blank ...
Page 588: ...This page intentionally left blank ...
Page 604: ...This page intentionally left blank ...
Page 634: ...This page intentionally left blank ...
Page 738: ...This page intentionally left blank ...
Page 802: ...This page intentionally left blank ...