Model ATRT-03 (v) Operating Instruction
25
14.0 Single-Phase Transformer Test Procedure
Table 14-0 shows the steps to test a single-phase transformer (7,200V/480V). Each of the menus is
described in detail in the following paragraphs:
Table 14-0. Single-Phase Transformer Test Procedure Steps
STEP
DESCRIPTION
DISPLAY
ACTION
1
Initiate Transformer Test
1.TEST XFMR 04/12/00
2.SETUP 13:06:02
3.CALCULATOR
4.DIAGNOSTIC
Press key 1
2
Select Single Phase
Transformer
XFMR CONFIGURATION:
1.SNGL PHS 2.dT-Y
3.Y-dT 4dT-dT
5.Y-Y
Press key 1
3
Select to use transformer
name plate voltage
XFMR NAME PLATE VLTG
1.YES
2.NO
Press key 1
4
Enter H line voltage
ENTER H WINDING
NAME-PLATE VOLTAGE
V
Use keys 0-9
5
Confirm H voltage
ENTER H WINDING
NAME-PLATE VOLTAGE
7200 V
Press ENTER
6
Enter X line voltage
ENTER X WINDING
NAME-PLATE VOLTAGE
V
Use keys 0-9
7
Confirm X voltage
ENTER X WINDING
NAME-PLATE VOLTAGE
480 V
Press ENTER
8
Start test
SINGLE PHASE XFMR
“START” TO RUN TEST
OR
“STOP” TO ABORT
Press START key
9
Observe ratio, excitation
current and percentage error
RATIO mA %DIFF
+15.006 0001 0.04
None
10
Go to next screen
RATIO mA %DIFF
+15.006 0001 0.04
Press any key
11
Select print option
PRINT TEST RESULTS?
1.YES
2.NO
Press key 1
12
Select detailed format report.
PRINT FORMAT
1.COLUMN
2.DETAILED
Select detailed format
report.
Press key 2
Summary of Contents for ATRT-03
Page 2: ...Model ATRT 03 v Operating Instruction 2...
Page 88: ...Model ATRT 03 v Operating Instruction 86 APPENDEX A Table of Standard Transformers...
Page 89: ...Model ATRT 03 v Operating Instruction 87 APPENDIX B Table of Non Standard Transformers...
Page 90: ...Model ATRT 03 v Operating Instruction 88 APPENDIX B Table of Non Standard Transformers cont...
Page 91: ...Model ATRT 03 v Operating Instruction 89 APPENDIX B Table of Non Standard Transformers cont...
Page 92: ...Model ATRT 03 v Operating Instruction 90 APPENDIX B Table of Non Standard Transformers cont...
