Typical Connection: 7Sr22 Connected To Vts And Capacitor Cone Unit; Figure 7.6-1 7Sr22 Applied To Feeder With Capacitor Cones Fitted - Siemens Argus 7SR21 Installation Manual
Hide thumbs
Also See for Argus 7SR21:
- Technical manual (644 pages) ,
- Manual (71 pages) ,
- Manual (69 pages)
Table of Contents
Advertisement
7.6
Typical Connection: 7SR22 Connected to VTs and
Capacitor Cone Unit
L1
L2
L3
P1
S1
S2
P2
Figure 7.6-1 7SR22 Applied to Feeder with Capacitor Cones Fitted
©2010 Siemens Protection Devices Limited
1A
1
2
5A
3
4
1A
5
6
5A
7
8
1A
9
10
5A
11
12
1A
13
14
5A
15
16
A
B
C
Capacitor
Cones
Adaptor
Unit
NOTES
1) CT circuits are shown connected to 1A tap – use alternative tap for 5A rated CTs.
2) CT and Earth connections are typical only.
3) Vee Connected VT: Phase Voltage Config:-Va,Vb,Vc
4) DEF elements must be NPS polarised (Vo polarising not applicable)
5) V
used for NVD input
4
7SR21 & 7SR22 Argus Installation Guide
1A
I
I
L1
5
5A
(I
)
(I
)
A
SEF
I
V
L2
L1
(I
)
(V
)
B
A
V
L2
(V
)
B
I
L3
(I
)
C
V
L3
(V
)
C
V
I
4
4
(V
)
(I
)
X
G
A
B
C
17
18
19
20
21
22
23
24
25
26
27
28
Chapter 5 Page 22 of 22
Advertisement
Table of Contents
