MOBILE SUB STATION

WE HAVE CONTRACT TO SUPPLY mob. sub st. trans. TO IRAQ AS THIS SPECFICATIONS You are invited for the design manufacture testing and commissioning of trailer mounted 33/11.5 KV 16 MVA mobile substations to be supplied complete with all necessary fittings accessories according to attached single line diagrams. spare parts and avalid ISO 9001 cetificate for power transformer and (33KV , 11KV) switchgear xxxxx circuit breakers and their switchboard to be submitted with documents .

The applicable standard to design the equipments and accessories shall be the latest IEC recommendation .

In form us by schedules of guaranteed technical particulars , prices , delivery time schedules .

Technical requirements :
SYSTEM DATA :

33KV SYSTEM :

Nominal voltage 33KV *
Short circuit level 35KA RMS AT 33 KV *

Phase symmetrical 3 *
Frequency 50 HZ *
Highest system voltage 36 KV *
* System 3-phases ,3-Wire With neutral
Grounded by earthing transformer the earth fault
Current is limited to 1000
AMP
11KV SYSTEM
Nominal voltage 11KV *
Short circuit level 35 KARMS AT 11KV *











Phase symmetrical 3
Frequency 50HZ *
Highest system voltage 12KV *
System 3-phases,3-wire with neutral earthing *
By 21.1 OHM earthing resistor the
Earth fault current is limited to 300 AMP