Brushless Motor Power Factor Trip Test; Setup; Relay Programming; Configurations - GE SPM Series Instruction Manual

10 FUNCTIONAL TESTS

10.7 BRUSHLESS MOTOR POWER FACTOR TRIP TEST

1. Connect as for Brushless Motor Power Factor Test in the previous section.
2. Connect timer to TRIP relay.
a) CONFIGURATIONS
Program as defaults shown in Section 5.4: CONFIGURATIONS MENU on page 5–12.
b) SETPOINTS
Program as defaults shown in 5.2: SETPOINTS MENU on page 5–2.
1. Apply control power to relay and wait for self test diagnostic to complete. Should get SPM READY mes-
sage and TRIP relay should close.
2. Turn on current source.
3. Open MX switch
4. FAR contact should close followed by FCX contact. FIELD IS APPLIED message should momentarily flash
on screen.
5. PF metered value will now be displayed along with other metered values.
6. Vary voltage angle as in table below and check PF reading.
Table 10–6: BRUSHLESS MOTOR PF TRIP TEST RESULTS

SETPOINTS

PF TRIP PF DELAY
–0.60 1
–0.70 5
–0.80 3
1.00 10
GE Power Management
10.7 BRUSHLESS MOTOR POWER FACTOR TRIP TEST
INPUT/EXPECTED
ANGLE EXPECTED PF
302°
309°
317°
341°
SPM Synchronous Motor Protection & Control

10.7.2 RELAY PROGRAMMING

RESULTS
TRIP TIME
–0.52
–0.63
–0.74
–0.95

10.7.1 SETUP

10

10.7.3 TEST

10-
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