
Medium/high voltage generator sets are designed to meet the increasing power demands of modern infrastructure and industrial operations, where conventional low-voltage diesel gensets often fall short. In facilities such as data centers, high-rise buildings, polysilicon production plants, and mining sites, power requirements can be exceptionally high. Traditional 400V AC diesel generator sets face limitations including large cable diameters, higher line losses, complex installation, and elevated costs, making them unsuitable for many applications. In such cases, medium and high voltage AC generator sets offer a more efficient and practical solution.
Medium voltage generator setsThese voltage generator sets enable more efficient power transmission over long distances, reduce installation costs, and improve overall system performance, making them an ideal choice for demanding large-scale applications, such as factories, where equipment is likely to be spread out.
Medium/high voltage generator sets are widely used across industries and critical infrastructure where large-scale, reliable power is essential:
| Rated apparent power | 1000-3000 kVA (Medium Voltage:3.3–13.8kV) 2000-12000 kVA (High Voltage: ≥35kV, with step-up transformer) |
| Voltage range | Medium voltage: 3.3kV / 6kV / 6.6kV / 10.5kV / 11kV / 13.8kV High voltage: ≥35kV (generator + boost transformer system) |
| Frequency | 50Hz / 60Hz |
| Rated speed | 1500 rpm (50Hz) / 1800 rpm (60Hz) |
| Electrical system | 3-phase, 4-wire |
| Rated power factor | 0.8 (lagging) |
| Engine providers (optional) | Cummins / Perkins / MTU / Mitsubishi |
| Alternator providers | Stamford / Leroy-Somer |
| Alternator type | Brushless synchronous alternator, with AVR |
| Insulation class | Class H |
| Winding treatment | Tropicalized |
| Ingress protection | IP23 (IP44 optional) |
| Cooling method | Water-cooled with radiator |
| Duty rating | Standby / prime / continuous |
| Applicable standard | ISO 8528 |
| Starting system | 24V electric start |
| Control module | Deepsea / Smartgen |