
Sweep Frequency Response Analyzer (SFRA) User Guide
B-6
72A-2570-01 Rev. K 07/2011
* Indicates short-circuit tests where the terminals are shorted together with three
sets of jumpers, to provide symmetry (X1-X2, X2-X3, X3-X1) OR (Y1-Y2,
Y2-Y3, Y3-Y1). The neutral is not included for wye connections.
LV Open Circuit (OC)
All Other Terminals
Floating
Test 4
X1-X0
X1-X0
X1-X3
X1-X3
Test 5
X2-X0
X2-X0
X2-X1
X2-X1
Test 6
X3-X0
X3-X0
X3-X2
X3-X2
Tert Open Circuit (OC)
All Other Terminals
Floating
Test 7
Y1-Y0
Y1-Y3
Y1-Y0
Y1-Y3
Test 8
Y2-Y0
Y2-Y1
Y2-Y0
Y2-Y1
Test 9
Y3-Y0
Y3-Y2
Y3-Y0
Y3-Y2
Short Circuit (SC)
High (H) to Low (L)
Short [X1-X2-X3-X1]*
Test 10
H1-H0
H1-H0
H1-H0
H1-H0
Test 11
H2-H0
H2-H0
H2-H0
H2-H0
Test 12
H3-H0
H3-H0
H3-H0
H3-H0
Short Circuit (SC)
High (H) to Tertiary (T)
Short [Y1-Y2-Y3-Y1]*
Test 13
H1-H0
H1-H0
H1-H0
H1-H0
Test 14
H2-H0
H2-H0
H2-H0
H2-H0
Test 15
H3-H0
H3-H0
H3-H0
H3-H0
Short Circuit (SC)
Low (L) to Tertiary (T)
Short [Y1-Y2-Y3-Y1]*
Test 16
X1-X0
X1-X0
X1-X3
X1-X3
Test 17
X2-X0
X2-X0
X2-X1
X2-X1
Test 18
X3-X0
X3-X0
X3-X2
X3-X2
Table B.5 Three-Winding Transformer Table – 18 Tests (Part 2) (Continued)
Test Type
Test #
3
Wye-
Wye-
Wye
3
Wye-
Wye-
Delta
3
Wye-
Delta-
Wye
3
Wye-
Delta-
Delta
Содержание SFRA
Страница 12: ...Sweep Frequency Response Analyzer SFRA User Guide xii 72A 2570 01 Rev K 07 2011...
Страница 14: ...Sweep Frequency Response Analyzer SFRA User Guide xiv 72A 2570 01 Rev K 07 2011...
Страница 24: ...Sweep Frequency Response Analyzer SFRA User Guide 2 4 72A 2570 01 Rev K 07 2011...
Страница 56: ...Sweep Frequency Response Analyzer SFRA User Guide 3 32 72A 2570 01 Rev K 07 2011...
Страница 78: ...Sweep Frequency Response Analyzer SFRA User Guide 5 18 72A 2570 01 Rev K 07 2011...
Страница 98: ...Sweep Frequency Response Analyzer SFRA User Guide A 20 72A 2570 01 Rev K 07 2011...
Страница 110: ...Sweep Frequency Response Analyzer SFRA User Guide C 6 72A 2570 01 Rev K 07 2011...
Страница 116: ...Sweep Frequency Response Analyzer SFRA User Guide D 6 72A 2570 01 Rev K 07 2011...