Compact Substation (CSS), also known as a unitized or packaged substation, is a prefabricated, factory-assembled unit that integrates all the essential components of a traditional substation into a single, space-efficient enclosure.
Technical Specifications
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Feature
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Specification
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|
Type
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Oil Cooled Type
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|
Rating
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Upto 2.5 MVA
|
|
Voltage Class
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Upto 33kV
|
|
Voltage Ratio
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11kV/0.433kV/0.415kV/0.400kV/0.380kV
|
|
Frequency
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50 Hz
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|
Phase
|
3 Phase
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|
Cooling Type
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ONAN/ONAF
|
|
Vector Group
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As Per Required
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|
Winding Material
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Copper
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Insulation Class
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A
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|
Tap Range
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Off Circuit Or On-Load Tap Changers for HV/LV Variation As Per Customers Specification
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Impedance
|
In Line With Applicable Standards/ Customers Specification
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|
Applicable Standard
|
IS, IEC, IEEE Etc.
|
Standard Tests
- Winding Resistance Measurements
- Ratio and Polarity Measurements
- Exciting Current and No Load Losses
- Impedance and Load Losses Measurements
- AC Dielectric Test
- Induced Voltage Test
- Core Ground Test
- Oil BDV Test
- Magnetic Balance Test
- Insulation Resistance Test
- Vector Group Test
- Contact Resistance Test
- Insulation Resistance Of HT Panel
- CT Testing Or HT Panel
- Relay Testing
- Insulation Resistance CSS
Optional Tests
- Temperature Rise
- Sound Level
- Radio Influence Voltage
- Partial Discharges
- Basic Insulation Impulse Level
- SFRA Test
- Short circuit Test
Brands
§ ABB | RPPL | Synergy | Rishabh | Telwne | T&R | CG Power
Common Applications
§ Public Facilities | Smart Cities | Data Centers | Solar & Wind Farms | Grid Modernization | Manufacturing | Remote Operations | EV Infrastructure | Railways