Applications
13.4 Transfer between three sources with two outgoing loads
212
Manual, 08/2017, L1V30368969104A-02
Transfer with T1 (kVA) < T2 (kVA) and T2 (kVA) > T3 (kVA)
As well as the previously described applications, applications comprising 3 transformers (T1,
T2, T3) where the power of the transformer T2 is greater than that of the other two
(T1 (kVA) < T2 (kVA) and T2 (kVA) > T3 (kVA)) can also be implemented with the transfer
switching equipment. By using two transfer switches, this complex application can be
realized, thus enabling the power supply to be maintained.
Figure 13-7 Transfer T1 (kVA) < T2 (kVA) and T2 (kVA) > T3 (kVA)
T1
T2
T3
Switching state
of the transfer
switching
equipment
Non-critical
load 1
Critical
load 2
0
0
0
x
OFF
OFF
1
0
0
P1
ON
OFF
0
1
0
P2 + P3
ON
ON
0
0
1
P4
OFF
ON
1
0
1
P1 + P4
ON
ON
0
1
1
P2
+ (P3 or P4)*
ON
ON
1
1
0
(P1 or P2)*
+ P3
ON
ON
1
1
1
(P1 or P2)*
+ (P3 or P4)*
ON
ON
* Dependent on the priority setting on the transfer switching equipment
Summary of Contents for SENTRON
Page 1: ......
Page 2: ......
Page 10: ...Introduction 10 Manual 08 2017 L1V30368969104A 02 ...
Page 12: ...General information 2 1 Certification 12 Manual 08 2017 L1V30368969104A 02 ...
Page 24: ...Product information 3 2 Product family 24 Manual 08 2017 L1V30368969104A 02 ...
Page 26: ...Functions 26 Manual 08 2017 L1V30368969104A 02 ...
Page 176: ...Accessories 9 18 Electronic module 3KC8 only 176 Manual 08 2017 L1V30368969104A 02 ...
Page 220: ...Appendix A 3 Storage conditions 220 Manual 08 2017 L1V30368969104A 02 ...