Toshiba GR200 Series Instruction Manual page 271
Centralized busbar protection ied
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VCT21B
4.2.3
VCT21B is designed for the acquisition of four three-phases voltages, as shown in Figure 4.2-5.
Table 4.2-1 illustrates that the VCT21B is used in the MainUnit only.
Three-phase voltages
V a
V b
V c
Three-phase voltages
V a
V b
V c
Three-phase voltages
V a
V b
V c
Three-phase voltages
V a
V b
V c
Figure 4.2-5 Transformer module (VCT21B)
- 257 -
VCT21B
V a
V b Z*
V c
V a
V b Z**
V c
V a
V b Z***
V c
V a
V b Z*****
V c
Centralized GRB200
(Soft: 030, 031, 032, 033, 034)
6F2S1931 (0.20)
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