Energizing The System - ABB ZX0 Manual For Installation And Operation

3.2

Energizing the system

− Please consult section 4 for procedures for operating the
devices. Also observe section 3.1.
− Close all low voltage compartment doors.
− Switch all circuit-breakers off.
− Switch all three position disconnectors off.
− Switch all three position switch-disconnectors off.
Connecting the incoming feeder panels when these are
circuit-breaker panels
− Switch the three position disconnector in the incoming
feeder panel to the "Disconnector ON" position.
− Switch the circuit-breaker in the incoming feeder panel
"ON".
− The busbar is then at operating voltage.
Before connecting further incoming feeder panels,
ensure that the phase angle of the panels is identi-
cal (section 5.2).
36 | Manual ZX0 HB 600 en - Revision 05
Connecting the incoming feeder panels when these are
switch-disconnector panels
− Switch the switch-disconnector in the incoming feeder
panel "ON".
− The busbar is then at operating voltage.
Before connecting further incoming feeder panels,
ensure that the phase angle of the panels is identi-
cal (section 5.2).
Connecting the outgoing feeder panels (loads) when these
are circuit-breaker panels
− Switch the three position disconnector in the outgoing
feeder panel to the "Disconnector ON" position.
− Switch the circuit-breaker in the outgoing feeder panel
"ON".
− The loads are then switched on.
Connecting the outgoing feeder panels (loads) when these
are switch-disconnector panels
− Switch the three position switch-disconnector in the outgo-
ing feeder panel to the "Switch-disconnector ON" position.
− The loads are then switched on.
Switch the further loads on as described.
The switchgear is in operation.