IG-183-EN version 06; 31/03/2020
15
General instructions
cgm
.3 system: medium voltage SF
6
gas-insulated
cubicles up to 38 kV according to IEEE and CSA standards
Description and main characteristics
Nameplate
General instr.
Manual of General Instructions (IG) corresponding to the system
No.
Cubicle serial number*
Identifier
Cubicle model
Type
Type of circuit-breaker (if applicable)
U
r
Equipment rated voltage (kV)
BIL (U
p
)
Lightning impulse withstand voltage (kV)
U
d
Power frequency withstand voltage (kV)
f
r
Equipment rated frequency (Hz)
I
r
/I
load
Equipment rated continuous current and load switching current (A)
I
cc
Equipment rated cable-charging switching current (A)
I
ut
Equipment rated unloaded transformer switching current (A) (if applicable)
M1 or M2
Number of mechanical operations (switch: 1000 or 5000 operations; circuit-breaker 2000 or 10 000 operations)
I
k
/I
p
Short-time withstand current/ Short-time withstand peak value - Fault making current (kA)
t
k
Short-time withstand current time (s)
P
re
/P
me
Rated filling pressure for insulation / Rated filling pressure for operation (kPa)
P
me
/P
mm
Minimum functional pressure for insulation / Minimum functional pressure for operation (kPa)
U
a
Rated auxiliary voltage (V)
SF
6
Weight of insulating fluid (g)
Weight
Total weight of cubicle (kg)
Date
Month and year of manufacture
T
c
Thermal class (°C)
DC
Percentage of Direct Current component in circuit- breaker cubicle
Int.time
Rated interrupting time in circuit-breaker cubicle
Duty Cycle
Rated operating duty cycle in circuit-breaker cubicle
I
sc
Rated short-circuit switching current in circuit- breaker cubicle
Address
Factory address
* In the event of a problem or non-conformity, note down this number and send it to
Ormazabal
.
Table 1.4.
Nameplate