Vanguard Tri-Phase - Manual (Page 50)

TRI-PHASE OPERATING™ INSTRUCTIONS
50
14.0 Dyn1 Transformer Test Procedure
Table 6 .0 shows the procedure to test a Dyn1 (12,000 V/208 V) transformer.
Table 6.0 Dyn1 Transformer Test Procedure
STEP DESCRIPTION DISPLAY ACTION
1 Select “Run Test” from
“Main Menu” 1.RUN TEST .
2.SETUP
3.TEST PLAN
4.DIAGNOSTIC
TIME: 20:15:00
DATE: 07/16/08
Press key number 1
or push down
Control Knob
2 Select “Dy” (Delta to Wye)
from the “Transformer
Configuration” first menu XFMR CONFIG:
1. SINGLE PHASE
2. Dy .
3.Yd
4.Dd
5.Yy
6.Next Page
Press key number 2
or push down
Control Knob
3 Select “YES” from the “X0
Accessible Menu”
X0 (neutral) X0 ACCESSIBLE?
1.YES .
2.NO
Press key number 1
or push down
Control Knob
4 “Transformer Name Plate
Voltage” status display
Select “YES” NAME PLATE VOLTAGE
1.YES .
2.NO
Press key number 1
or push down
Control Knob
5 “Name Plate Voltage” status
display
Enter H line voltage from
transformer nameplate NAME PLATE VOLTAGE:
H : X
0 :
Use keys 0-9 for
data entry of
transformer name
plate voltage
6 “Name Plate Voltage” status
display
Confirm H voltage NAME PLATE VOLTAGE:
H : X
12,000 :
Press “ENTER”
or push down
Control Knob
(12000 was keyed
for this test)
7 “Name Plate Voltage” status
display. Enter X line voltage
from transformer nameplate NAME PLATE VOLTAGE:
H : X
12,000 : 0
Use key numbers 0
through 9 for data
entry
8 “Name Plate Voltage Status
Display”
Confirm X voltage NAME PLATE VOLTAGE:
H : X
12,000 : 208
Press “ENTER” or
push down Control
Knob
(208 was keyed)
9 “Start/Stop Test Status
Display” “START” TO TEST
OR
“STOP” TO ABORT
Press START key