CMBT compact substations
Specialized equipment for power transformation in industry, construction and commerce. It replaces banks of single-phase oil transformers and switching equipment, with strong protection against theft and resistance to lightning and grid faults.
- Integrates an aTX dry-type transformer, fused disconnector, surge arresters and signalling.
- Fuses with striker mechanism: simultaneous disconnection of all three phases, with no fuse replacement.
- Aluminium components and alloys: strong theft and corrosion prevention.
- Service life of over 25 years, continuous S1 load at 100% and ambient temperature up to 55 °C.
- Monitoring and SCADA: unauthorized access, temperature, status, load, overload and alarms.
- Tropicalized design; prototype with type and load tests, FAT at the factory and SAT on site under PSE supervision.
| Rated power | 25 kVA – 12 MVA |
| HV voltage | As required, up to 38.5 kV |
| LV voltage | As required by the customer |
| Frequency | 50 or 60 Hz, as required |
| Vector group | As required by the customer |
| Impedance (75 °C) | As required by the customer |
| Fused disconnector | Three-pole with fuses, sized to power and voltage |
| Surge arresters | Metal oxide, sized to the voltage |
| Load | Continuous S1, 100% |
| Max. ambient temperature | 55 °C |
| Enclosure protection | IP33/34 / NEMA 3R |
| Fire behaviour | F1 |
| Climatic / environmental class | C2 / E1 |
| Service life | Over 25 years |
| Tests | FAT at the factory and SAT on site |
| Monitoring | Temperature, unauthorized access, status, load, overload and alarms |
| Communication | GSM, Ethernet, Wi-Fi, GPS/GNSS/GLONASS, SCADA |
| Dimensions and weight | Depends on rating and configuration; dimensional drawings on request |
Each unit is built to the parameters the customer requires. Request your specification.
Parameters defined by the customer
Power ratingPrimary and secondary voltagesVector groupFrequencyVoltage regulationImpedanceSite altitude and climateStandardsAccessories and protections
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