Table of Contents
Advertisement
5 FUNCTIONAL TESTS (FACTORY SETTINGS)
3. Set the relay into test mode 27 (Phase Overcurrent). The LUI should display
INST PHS OVRC ON
4. Set I
to 2.8 (0.6) A rms and apply to the relay. The A1 contact should close. Lower I
op
at which point the A1 contact should open.
>
×
I
50PICKUP
0.5
op
See Chapter 6 for I
description.
op
5. Reduce I
to 0 A.
op
6. Restore the following Protection settings
OVERCUR
(601)
50 = YES
(602)
50_DIRCNL = YES
(603)
50PICKUP = 20.0 (4.0) Amps
1. Protection settings:
OVERCURRNT
(605)
50G = YES
(606)
50G_DIRCNL = NO
(607)
50GPICKUP = 2.5 (0.5) Amps
2. Connect the relay as shown in Figure 4–3: PHASE TO GROUND TEST CONNECTIONS on page 4–16.
3. Set the relay into test mode 28 (Ground Overcurrent). The LUI displays
INST GND OVRC ON
4. Set I
to 4.0 (0.80) A rms and apply to the relay. The A1 contact should close. Lower I
op
rms, at which point the A1 contact should open.
50GPICKUP
>
I
-------------------------------- -
op
0.7
5. Reduce I
to zero.
op
6. Restore the following settings
OVERCURRNT
(606)
50G_DIRCNL = YES
(607)
50GPICKUP = 10 (2.0) Amps
GE Power Management
=
2.5 (0.5) A
5.1.8 T7 – GROUND INSTANTANEOUS OVERCURRENT TEST
3.6 (0.72) A
=
LPS-O Line Protection System
5.1 MEASURING UNIT TESTS
to 2.0 (0.4) A rms,
op
to 2.4 (0.40) A
op
5
5-
5
Advertisement
Table of Contents
