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Appendix (cont.)
Details of earthing connections in the various cubicles

250 to 400kVA rectifier-inverter cubicle

450 - 500kVA rectifier-inverter cubicle

connection with a bolt, nut
and contact washer
mains
AIRZ
transformer
earth bar

inverter input

door
frame
door
three-phase
inductor
battery
inductor
inverter
transformer
AIRZ
connection with a bolt, nut
and contact washer
mains
transformer
earth bar
inverter input
door
frame
door
three-phase
inductor
inverter
transformer
door