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SOLUTION SHEET
E-mobility Compact Secondary Substation (CSS)
UniPack to support high-power charging with storage
Internally arc tested as per IEC 62271-202, a
safer design for equipment, personnel and
public environment
Pre-assembled solution, pre-tested and
assembled, to minimize site works
Ease of handling, transportation, unloading and
connection
Reduced site activities decrease safety-related
risks
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The e-mobility CSS solution with integrated energy Equipment description
storage provides electrification to power cabinets, The CSS typically houses medium voltage switchgear
E-mobility CSS with
integrated energy while simultaneously providing a buffer of power in (up to 40.5 kV), transformers (oil or dry type), a low
storage
parallel to the grid. This solution’s typical application is voltage switchboard with protection devices, ie circuit
breakers or fused disconnects, and integrated energy
the peak power demand control. The ease of
storage. The CSS is compartmentalized to isolate the
installation of a pre-wired solution drastically reduces
sections to reduce risk of accidental handling.
site activities in terms of man-hours, excavation and
civil works activities. Different internal layouts are
available. Technical data
Key specifications
Features of solution Medium voltage level from 2.4 – 40.5 kV
• Available in multiple enclosure materials:
Typical ratings (kVA) up to 1250 kVA
- Steel for rural areas
- Glass reinforced polyester (GRP) for harsh and Secondary voltage 400-480 V
challenging environmental conditions Storage power 300 kW
• Internal arc tested design assures high safety Storage capacity 300 kWh
standards for service personnel and public Trafo type Oil or dry
• Lockable enclosure to prevent unauthorized entry
Protection degree IP 54/23D (MV SWGR,
• Compact design to reduce footprint installation
LV and storage /trafo)
• Fire tested according to ISO 834
Applicable standards IEC, GB, AS, GOST,
• Flammability according to UL 94
ANSI, CSA, and more
• Toxicity according to EN 45545
Optional equipment Installation
- Seismic certifications - One-piece delivery factory assembled and tested
- IP35 or IP45 protection for challenging conditions - MV connection and power cabinet connection
- Cooling area chosen to fit different conditions needed at site
- SCADA ready - Reduced site works
- Remote monitoring - Compact design for reduced footprint
- Remote monitoring and control - No heavy crane needed
- Energy management systems
Single line diagram
E-mobility CSS solution with integrated energy storage
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ABB Ltd. —
1VPD110001A0460 REV A MAY 2019
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