Ormazabal cgmcosmos-p User Manual

1.4. Electrical specifications
Rated voltage [kV] 12 24
Frequency [Hz]
50
Rated current [A]
Busbars and cubicle interconnection 400/630
Feeder 400/630
Transformer output 200
Rated short-time withstand current [kA]
Con t
k
= (x) s
16/20** (1/3 s)/25 (1 s) 16/20** (1/3 s)/25 (1 s)
Peak value 40/50**/62.5 41.6/52**/65 40/50**/62.5 41.6/52**/65
Rated insulation level [kV]
Power frequency rated withstand voltage (1 min) 28/32 50/60
Lightning impulse rated withstand voltage 75/85 125/145
Internal arc in tank
Front and side accessibility 16/20**/25 kA (1 s) 16/20**/25 kA (1 s)
Front, side and rear accessibility*** 20** kA (1 s) 20** kA (1 s)
Internal arc classication in accordance with IEC 62271-200
IAC AF/AFL IAC AFL 20 kA 1 s IAC AFL 20 kA 1 s
IP rating: gas tank
IP X8 IP X8
IP rating: external enclosure
IP 2XD IP 2XD
Standard unit colour (RAL)
grey 7035 / blue 5005 grey 7035 / blue 5005
Category of loss of service continuity [LSC]
LSC2 LSC2
Compartmentalisation class
PM PM
** Tests conducted at current 21 kA/52.5 kA (50 Hz) – 54.6 kA (60 Hz).
Table 2.5. Electrical specications
The values set out in this table are general for the
cgmcosmos system and are only valid when conrmed
by Ormazabal. Some cubicle models can withstand
partial values. For more detailed information, contact
Ormazabal.
IG-296-EN version 01; 12/03/2020
10
General description General instructions
cgmcosmos: Medium voltage cubicles with full insulation
in SF
6
gas up to 24 kV in accordance with IEC Standard

Ormazabal cgmcosmos-p Specifications

General

Brand	Ormazabal
Model	cgmcosmos-p
Category	Control Systems
Language	English