GDpack

Report
Gdpack 40.5kV
MV-LV Prefabricated Substation
Steel Housing
Primary Voltage: up to 40.5kV
Power Rating: up to 3500 kVA
Technical Data Sheet
Primary Voltage: 40.5kV
Power Rating: Up to 3500 kVA
GDpack
Definition
GDpack is a type tested MV/LV prefabricated substation comprising of an enclosure containing
Medium Voltage switchgear, Distribution transformers, Low Voltage switchboards, connections
and auxiliary equipment to transform energy from medium to low voltage systems .
Layout
Features
•Type tested per latest GB17467-2010
•Internal Arc fault Type AB tested at 20 kA,
1second
•High level of safety for equipment and
personnel
•All equipment inside GDpack are type tested
•Engineered footprint meeting required
clearance standards
•Optional oil collection pit underneath the
transformer
•Steel housing
•Can be delivered with transformer installed
•Engineered for smooth air flow and natural
cooling
•Locking system for all doors to prevent unauthorized entry of personnel
•Stainless steel hinges for corrosion resistance
•No access to live parts
Equipment Description
Transformer
GDpack is designed and manufactured to accept oil or dry
transformers.
Medium Voltage
40.5kV
GDpack can be provided with different options of Medium Voltage
Switchgear from our SF6 insulated compact secondary
switchgear portfolio.
Low Voltage
The LV compartment could accommodate an LV panel with ACB
or MCCB’s and various number and ratings of outgoing feeders
depending on transformer size and customer needs. Special low
voltage equipment is available upon request.
Primary Voltage: 40.5kV
Power Rating: Up to 3500 kVA
GDpack
Additional equipment
• Devices for metering and control circuit
• SCADA ready for easy connection to any SCADA System through standard
communication protocols.
• Power Factor Correction Panel
• Remote Terminal Unit (RTU) to monitor the CSS and store data for operation,
maintenance and fault analysis. Local and remote monitoring operations available.
Standard Models
Model Number
Max.
KVA
kV
Maximum
Number of MV
Switchgear
panels
MV Switchgear
Insulation Type
GDpack 20NS
2000
12, 24,
36 & 40.5
Up to 4
Gas
GDpack 35NS
3500
12, 24,
36 & 40.5
Up to 4
Gas
Installation
• Factory delivers a factory tested solution to the installation site, and provides all
necessary lifting device for moving the substation.
• No complicated civil engineering job is needed in advance or during the installation.
• Only a pit has to be excavated and the substation has to be placed into this installation
pit.
• When the substation is in its place, than the commissioning can be started after the
incoming and outgoing cables had been connected.
• For detailed information please see our installation manual.
Primary Voltage: Up to 40.5kV
Power Rating: Up to 3500 kVA
GDpack
Technical Data
Description
UniPack Compact Secondary Substation – Mercury layout
Max KVA
Type of layout
Rated voltage (kV)
Short circuit withstand
current of internal
earthing network
Substation dimension (with
Gas insulated MV swgr.
-LxWxH) in mm.
Weight of substation
excluding transformer
(approx.) in kg.
Transformer compartment
dimension (LxWxH) in mm
Maximum transformer load
losses/ No load
losses in watts
Transformer compartment
IP protection degree
(min/max)
MV/LV IP compartment
protection (min/max)
CSS Enclosure Thermal
class (min/max)
Maximum dimension of MV
compartment
Maximum dimension of LV
compartment
MV cabling
MV terminations
LV connection to
transformer
Rated current of LV panel,
A
Rated short circuit
withstand capacity of LV
Busbar system, kA/1s
2000
3500
Mercury 20NS
Mercury 35NS
12/24/36/40.5 kV
6kA/1s, upon request 20kA/1s
3450x2450x2750
4400x2450x3050
2700
3200
2400x1800x2400
2850x2400x2700
14300/2500
30000/4000
IP 23D / IP 33D
IP 23 / IP 54
20K / 10K
4-way SafeRing / SafePlus 40.5kV
10 pcs of 630A MCCB
10 pcs of 630A MCCB
The connecting can be AL or CU acoording to customer request.
If not specified then the cross section is selected to fulfill the
short circuit requirement of the arrangement.
The connecting cables can terminated with premolded/cold
shrink/heat shrink cable terminations according to customer’s
request
Cable or busbar according to the rated power of the transformer
2000
3200
50 kA/1s
50 kA/1s
All information subject to change without notification
Technical Data Sheet Number: DS.CSS.S.M_03

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