Vanguard ATRT-01_01B_01D - Manual (Page 25)

Model ATRT-01 (v) Operating Instructions
Rev 02
May 02, 2002
24
25.0 Step-by-Step Turns Ratio Testing Procedures
25-1 Single-Phase Transformer Test Procedure
Table 25.1 shows the steps to test a single-phase transformer.
Table 25-1. Single-Phase Transformer Test Procedure.
STEP DESCRIPTION DISPLAY ACTION
1 Initiate Transformer Test 1. TEST XFMR 04/12/00
2. SETUP 13:06:02
3. CALCULATOR Press key 1
2 Select Single Phase
Transformer XFMR CONFIGURATION:
1. SNGL PHS 2. dT-Y
3. Y-dT 4.dT-dT
5. Y-Y Press key 1.
3 Select not to use
transformer name plate
voltage XFMR NAME PLATE VLTG
1. YES
2. NO Press key 2.
4 Start test SINGLE PHASE XFMR
“START” TO RUN TEST
OR
“STOP” TO ABORT Press START key
5 Display ratio, excitation
current RATIO mA %DIFF
+1.000 0002 None