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Setting example 2 (Bus-bar VT=three phases, Line VT=phase-BC)
(ii)
Bus-bar VT
(Three Phase)
Figure 2.25-6 Example 2: Input voltages and respective phasor diagram for SYN
Note:
V Busbar is Running voltage.
1
Note:
V Line is Incoming voltage.
2
Similarly, Figure 2.25-6 shows the VCT input voltages and phases from Bus-bar and
Line1. In this case, configure the settings in accordance with Figure 2.25-6 and Table 2.25-5.
Output voltage at VT
Input voltage at VCHK
VCHK Setting
3
Note: Vs is set for the scheme switch [SYN-VLine]. This is because the resultant phase
3
of V-L2, V-L3 and Vs is same.
Line
VCT
Line VT
(Phase B-C)
V a (V L1 )
V b (V L2 )
V c (V L3 )
Vs (Vs)
V Line (Vs)
Table 2.25-5 Setting for example 2
Bus-bar VT=
Line VT=
Running voltage(V b and c )=
Incoming voltage (Vs)=
[SYN-VBus] =
[SYN-VLine]=
- 288 -
V c
a. Phasor diagram in Bus-bar
Vs
b. Phasor diagram in Line
1
V Bus-bar (V bc )
2
Three phase
Phase-BC
Phase-B and C (Bus-bar VT)
Phase-BC (Line VT)
V-L23
Vs
6F2T0207 (0.01)
V a
V b
V bc
GRE200 (5,6)
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