Appendix

3.3 Details of earthing connections in the various cubicles

Rectifier-inverter cubicle

frame

door

door

frame

door

 

 

 

door

 

left cubicle

 

right cubicle

 

 

transformer

 

transformer

 

 

AIRZ

 

AIRZ

three-phase

battery

inverter

 

inverter

inductor

inductor

transformer

 

transformer

 

 

 

 

earth bar

 

inverter

 

 

inverter

 

input

 

 

input

connection with a bolt, nut and contact washer

mains 1

mains 2

120 to 1200 kVA Static Switch Cubicles

door

 

transformer

only for 120

 

AIRZ

 

to 800kVA

 

 

 

 

static-switch

 

 

cubicles

frame

 

door

 

earth bar

 

 

input

 

connection with a bolt,

mains 2

inverters

nut and contact washer

34006451EN/AC - Page 35

Page 35
Image 35
APC 9000 Details of earthing connections in the various cubicles, Rectifier-inverter cubicle, Inverter Input, Airz