Ormazabal cgm.3 system Series - 5.8 Fuse protection function

Recommended sequence of operations
General instructions
IG-136-EN version 10; 23/06/2016
51
cgm.3 system
Fully SF6 gas insulated medium voltage switchgear up to 40.5 kV in accordance with IEC Standards
5.8 Fuse protection function
5.8.1 Mimic diagram
a
ekor.sas, acoustic earthing prevention alarm
b Pressure gauge window
c
Voltage indicator ekor.vpis or ekor.ivds
d
Operation area:
• YELLOW for earthing switch
• GREY for switch-disconnector.
e
Status indicators
• BLACK for switch-disconnector.
• RED for earthing switch
f Driving shaft access handles
g Manual trip operation
h
Fuse status indicator:
green: normal
red: fuse blown
i Spring charge indicator
Figure 5.39 Mimic diagram cubicle cgmcosmos-p
5.8.2 Driving lever
The driving lever to be used to operate the switch –
disconnector – earthing switch of the protection with fuses
function with BR-A driving mechanisms is:
Figure 5.40 BR-A driving mechanism lever