ABB SDG-1T, Instruction Leaflet, Page: 36 / 49

I.L. 41-496.52D
38
Figure 15. Test Points for SDGT - Line of Relays
SDGT – LINE (.2 TO 4.35
Ω
)
TEST POINT TRACES
(D.C. NEG. REF.)
NO TRIP TRIP
SDG-1T
EQUIVALENT TEST POINTS
SDG-2T SDG-4T
1 — 1 — 1 —
2 — 2 — 2 —
3 — 3 — — —
4 — 4 — — —
5 — 5 — — —
6 — 6 — 6 —
7 — 7 — 7 —
8 — 8 — 8 —
9 — 9 — 9 —
10 — 10 — 10
✳
—
11 — 11 — 11
∆
—
12 — — — — —
13 — — — — —
14 — — — — —
15 — — — — —
✳
= 0.7 - 7.6
∆
= 7.6 - 0.7
S
A B C , ,
1 =
T
A B C , ,
1.23
Ω
T
O
; 3.69
Ω
= =
M
A B C O
, , ,
+ .18 =
V
A G
–
2.5 VAC ; =
V
3
φ
G
–
70 VAC =
V
B C G
–
,
70
VAC
=
I
3
φ
G –
0 = I
A G –
3 AMP =
Sub 1
9646A39