GE Industrial Solutions Galaxy Verification - Manual (Page 23)

Galaxy Power System Verification Procedures
Issue 3 January 2008 Galaxy SC Controller Performance Verification Procedures 2 - 11
High Float Voltage Alarm/High Voltage Shutdown Alarm
Tests, continued)
HFV Test
Procedure for
Serial Rectifiers
Raising the plant voltage on a working system is left to the discretion of
the user. This test could disrupt power to working equipment. If the test
is performed, verify that the plant is in FLOAT mode and that rectifier
voltage has been set to the normal level after completing the test.
Tests must be done with batteries connected, or else when the rectifiers
shut down, the controller will also shut down.
Step Action
1 From the front panel, follow the path → CONFIG
→ THRESH → HFV (FLOAT). Use the keys to
change the value of the HFV threshold to a level below the
plant voltage noted above. Press to save the
change.
2 Observe that the controller initiates a Power Minor alarm
(PMN) and illuminates the RECT and MIN LEDs.
3 Follow the path → CONFIG → THRESH →
HFV (FLOAT) and restore the threshold to it's original
setting. Press to save the change.