General Instructions
General description
IG-136-EN version 10; 23/06/2016
10
cgm.3 system
Fully SF6 gas insulated medium voltage switchgear up to 40.5 kV in accordance with IEC Standards
1.3.4 Name plate
Every unit includes a name plate, with some of the
following data:
Figure 1.4 Example of name plate
Name plate
Nº Cubicle serial number
(*)
Type Cubicle system Ormazabal
Designation Cubicle model
Standard Standards applied to the equipment
Name Equipment name
U
r
Equipment rated voltage (kV)
U
p
Lightning impulse withstand voltage (kV)
U
d
Industrial frequency withstand voltage (kV)
f
r
Equipment rated frequency (Hz)
I
r
Equipment rated current (A)
Instructions
Manual
General Instructions Manual (IG) for the system
Class Driving mechanism class according to IEC 62271-103
N Number of mainly active load breaking operations
I
k
/ I
p
Short-time withstand current/Short-time withstand peak value
t
k
Short-time withstand current time
P
re
Gas pressure inside the tank (MPa)
P
me
Minimum operating gas pressure (MPa)
SF
6
Weight of insulating fluid (g)
Year
Year of manufacture
TC
Minimum working temperature
IAC
Classification of internal arc
(*)
In the event of incident, this number should be reported to Ormazabal.