Vanguard ATRT-03_03B S2 - Manual (Page 57)

REV 2 ATRT-03 S2, ATRT-03A S2, AND ATRT-03B S2 USER’S MANUAL
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3.4.4. Testing a Three Phase Transformer Using Auto Detect Mode
The ATRT-03 S2 provides a convenient Auto Detect mode that can automatically detect 130
specific vector groups for different transformer types defined by ANSI, CEI/IEC, and Australian
standards. The transformer configurations supported are listed in Appendix A. The ATRT-03 S2
can detect the vector diagrams for Delta-Delta, Wye-Wye, Delta-Wye, and Wye-Delta
transformer types. Follow the steps below to test a three phase transformer using auto detect
mode:
a. Start from the “START-UP” menu:
Press the [1] key (RUN TEST).
b. The following screen will be displayed:
Select a supported three phase transformer type by pressing the corresponding numeric
key on the keypad (
[2]
,
[3]
,
[4]
, or
[5]
. For this example, we will perform a Yd test
(option 3).
c. The following screen will be displayed:
Press the [1] key (YES).
H0 ACCESSIBLE?
1. YES
2. NO
XFMR CONFIG:
1.
SINGLE PHASE
2. D y
3. Y d
4. D d
5. y y
6. next page
1. RUN TEST
2. SETUP
3. TEST PLANS
4. DIAGNOSTIC
TIME: 15:45:15
DATE: 07/20/10