25kVA 28kVA Cummins Diesel Generator Specification
| Generator Model: | TC28 |
| Engine Model: | Cummins 4B3.9-G1 |
| Alternator: | Leroy-somer/Stamford/ Mecc Alte/ Mamo Power |
| Voltage Range: | 110V-600V |
| Electrical Output: | 20kW/25kVA prime |
| 22kW/28kVA standby |
(1) Engine Specification
| General Performance | |
| Manufacture: | DCEC Cummins |
| Engine Model: | 4B3.9-G1 |
| Engine Type: | 4 cycle, in-line, 4-cylinder |
| Engine Speed: | 1500 r.p.m |
| Base Output Power: | 24kW/32hp |
| Standby Power: | 27kW/36hp |
| Governor Type: | Mechnical |
| Direction of Rotation: | Anti-clockWise viewed on flywheel |
| Air Intake Way: | Naturally Aspirated |
| Displacement: | 3.9L |
| Cylinder Bore * Stroke: | 102mm × 120mm |
| NO. of Cylinders: | 4 |
| Compression Ratio: | 17.3:1 |
(2) Alternator Specification
| General Data - 50HZ/1500r.p.m | |
| Manufacture / Brand: | Leroy-somer/Stamford/ Mecc Alte/ Mamo Power |
| Coupling / Bearing | Direct / Single Bearing |
| Phase | 3 Phase |
| Power Factor | Cos￠ = 0.8 |
| Drip Proof | IP 23 |
| Excitation | Shunt/Shelf excited |
| Prime Output Power | 20kW/25kVA |
| Standby Output Power | 22kW/28kVA |
| Insulation class | H |
| Voltage regulation | ± 0,5 % |
| Harmonic distortion TGH/THC | no load < 3% - on load < 2% |
| Wave form : NEMA = TIF - (*) | < 50 |
| Wave form : I.E.C. = THF - (*) | < 2 % |
| Altitude | ≤ 1000 m |
| Overspeed | 2250 min -1 |
Fuel System
| Fuel consumption: | |
| 1- At 100% Standby power | 8.0 Litres/hour |
| 2- At 100% Prime power | 7.1 Litres/hour |
| 3- At 75% Prime power | 5.7 Litres/hour |
| 4- At 50% Prime power | 4.3 Litres/hour |
| Fuel Tank Capacity: | 8 Hours at Full Load |
