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Chapter3. Specification and Operation
hapter3. Specification and Operation
hapter3. Specification and Operation
hapter3. Specification and Operation
N5000 INSTRUCTION MANUAL
N5000 INSTRUCTION MANUAL
N5000 INSTRUCTION MANUAL
N5000 INSTRUCTION MANUAL
Bypass Circuit
A1 POWER CELL
A2 POWER CELL
B1 POWER CELL
B2 POWER CELL
C1 POWER CELL
A
B
POWER CELL
R
T
S
BYPASS
Cell Controller
Master
Controller
Serial Communication Using Optical Cable
Figure 3-15. Power Cell Bypass electricity circuit consisting 2 Layer
< Vector diagram and simulation in Bypass operation>
Followings are describing the bypass operations in normal and power cell failure cases using
vector diagram and simulation.
Normal operation
In figure 3-16, the line voltage becomes 380V, 5-output voltage levels by serially connecting 2
power cells for each phase. At this time, voltages of 3 phases should be balanced. Fight side of
figure 3-16, output line voltages (Vab, Vbc, Vca) and the output current of RL load are shown.
Figure 3-16. Power Cell No-Fail