11. Wiring
11.1 Overview
Figure 11.1 shows the external wiring diagram of G8000 UPS. Wiring work is summarized below.
1)Power cable connection for AC input, Bypass Input, AC output, and DC input at terminal blocks or buses.
2)External breaker provision at AC input, Bypass Input, AC output, and DC input.
3)Earth ground wire at grounding electrode.
4)Control wire terminal TB1 (Battery cabinet and Bypass Breaker).
See corresponding section to each wiring term.
To TB1
Bypass 3φ4W
Bypass
Breaker
AC Input 3φ3W
Input
Breaker
< UPS > |
|
|
| Contactor + Thyristor | |
|
| Bypass |
Input |
| Contactor |
|
| |
Contactor |
|
|
Rectifier | Inverter | Inverter |
|
| Contactor |
Chopper |
|
|
Charger |
|
|
|
| TB1 |
Output 3φ4W
Output
Breaker
Ground
Wire
DC input
Battery
To Bypass
Breaker
Breaker
< Battery Cabinet >
Figure 11.1 - External Wiring Diagram.
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