Toshiba 480 V Power Supply User Manual


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46
G8000 Series Installation and Operation Manual
FIGURE 11.16 - GROUNDING CONFIGURATION WITH INPUT NEUTRAL GROUNDED
A 2 AWG (or 38 mm
2
) jumper cable is provided between the neutral terminal and ground bus in the UPS
cabinet. The qualied personnel should remove the jumper cable in this conguration. The jumper cable
location is illustrated below.
FIGURE 11.17 - JUMPER CABLE BETWEEN THE NEUTRAL TERMINAL & GROUND BUS
N
G
3
φ
3φ
3
φ
N
G
< UPS Cabinet >
N
3φ
3
φ
G
Input Source
Remove
Jumper Cable
G
N
3φ
To the
Load
N
G
3
φ
3
φ
3
φ
N
G
< UPS Cabinet >
N
3
φ
3
φ
G
Input Source
Jumper Cable
Remains in Place
G
N
3
φ
To the
Load
N
G
3
φ
3
φ
3
φ
N
G
< UPS Cabinet >
3
φ
3
φ
G
Input Source
Jumper Cable
Remains in Place
G
N
3
φ
To the
Load
N
G
3
φ
3
φ
3
φ
N
G
< UPS Cabinet >
G
N
3
φ
3
φ
To the
Load
Out
p
ut Distribution
3
φ
3
φ
G
Input Source
B
φ
Remove
Jumper Cable
Ground
Bus
Remove
Jumper
Cable
Neutral
Terminal
80-225 kVA
Ground
Bus
Remove
Jumper
Cable
300 kVA
Neutral
Terminal
Ground
Bus
Remove
Jumper
Cable
500 kVA
Neutral
Terminals
Ground
Bus
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