250kw diesel generator set is assembled by Jiangsu Starlight Electricity Equipments Co.,Ltd. in China, our factory was founded in 1974, as one of the biggest supplier, we have focused on high quality generators for more than 43 years.
1.General Features of the 250kw diesel genset
All qualified generator sets are subjected to a comprehensive performance test which includes 50% load, 75% load, 100% load, 110% load and to check, verify that all control systems, alarm and shut-down protection.
Equipped with battery charger and 24V high performance maintenance-free lead-acid starting batteries and connecting cables.
Stainless galvanized zinc plates with strong corrosion-proof.
Vibration isolators between the engine/alternator and base frame.
Equipped with industrial silencer and flexible exhaust hose.
Designed to comply with ISO8528/GB2820.
Powered by Cummins engine NTA855-G1 and Stamford alternator HCI444C1
Water jacket preheater, oil heater and double air cleaner, etc. are available.
2.250kw Cummins Generator Technical Specifications
Prime power/capacity: | 250kw/312.5kva | Engine make: | Cummins |
Standby power/capacity: | 275kw/344kva | Engine model: | NTA855-G1 |
Alternator made: | Stamford | Control panel: | SmartGen HGM6110 |
Alternator model: | HCI444C1 | Speed/frequency: | 1800rpm/60Hz |
Voltage: | 220~480V | Noise level open type: | 100dBA at 7 meters |
Start up time: | 5~6s | soundproof type: | 75dBA at 7 meters |
Voltage Regulation: | ≥±5% | Sudden Voltage Warp (100% Sudden Reduce): | ≤+25% |
Sudden Voltage Warp (Sudden Increase): | ≤-20% | Voltage Stable Time (100% Sudden Reduce): | ≤6s |
Voltage Stable Time (Sudden Increase): | ≤6s | Frequency Recovery Time(100%Sudden Reduce): | ≤6s |
Frequency Regulation: | ≤5% | Voltage Stable Time (100% Sudden Reduce): | ≤5s |
3.Cummins diesel engine technical data
Prime power/capacity: | 287kw/358.75kva | Engine Model: | NTA855-G1 |
Standby power/capacity: | 317kw/396.25kva | Manufacturer: | Cummins( CCEC China) |
Speed: | 1800rpm | Cylinder Arrangement: | In-line |
Cylinder quantity: | 6 | Cycle: | 4 |
Aspiration: | Turbocharged and After-cooled | Displacement: | 14L |
Bore x Stroke : | 140×152mm | Compression Ratio: | 14.5:1 |
Type Injection System: | Direct injection Cummins PT | Friction Energy Output: | 44kw |
Piston Speed: | 9.1 m/s | Total Lubrication System Capacity: | 38.6L |
Coolant Capacity: | 49.2L | Starter motor: | DC24V |
Fuel Consumption at 100% load: | 74 L/h | 75% load | 56L/h, |
50% load: | 40L/h |
4.Alternator technical specifications
Alternator model | HCI444C1 | Exciter type | Single bearing, Brushless,Self-excited |
Alternator manufacturer | STAMFORD | Rated output prime power | 312.5KVA |
Rated speed | 1800 rpm | Number of phase | 3 |
Rated frequency | 60Hz | Rated voltage (Available with custom requirements) | 400/230V |
Power factor | 0.8lag | Insulation grade | H |
Voltage regulation NL-FL | ≤±1% | Protection grade | IP23 |
(PS: alternator options: Leroy Somer, Engga, Marathon, Siemens, Shanghai Kepu, as well as our own brand Starlight)
5.Control panel technical specification
SmartGen HGM6110 automatic controller, integrating digital, intelligent and network techniques, is used for automatic control and monitoring system of genset. It can carry out functions of automatic start/stop, data measurement, alarm protection and three ―remote‖ (remote control, remote measure and remote communication). The controller uses LCD display, optional display interface including Chinese, English, Spanish, Russian,Portuguese, Turkish, Polish and French with easy and reliable operation.
Mains | Generator | Load |
Line voltage (Uab, Ubc, Uca) Phase voltage (Ua, Ub, and Uc) Frequency HZ | Line voltage (Uab, Ubc, and Uca) Phase voltage (Ua, Ub, and Uc) Frequency HZ | Current IA, IB, IC Active power kW Reactive power kvar Apparent power kVA Power factor PF Generator accumulated energy kWh Output percentage with load % |
Mains have functions of over/under voltage and lack of phase. Gens have functions of over/under voltage, over/under frequency, over current and over power.
Precision measure and display of parameters about engine,Temp. (WT), °C/ °F, oil pressure (OP), kPa/psi/bar, fuel level (FL), % Fuel remains L. Speed (SPD), r/min, battery Voltage (VB), V. Charger Voltage (VD), V.
Accumulative running hours, accumulative start times.
Control protection: Automatic start/stop of genset, load transfer(ATS control) and perfect failure display and protection.
Jiangsu Starlight series Cummins generators power range is 20kw-2000kw, if you have purchase plan, welcome to contact us by email sales@dieselgeneratortech.com, or call us by phone +8613481024441. We will work with you.
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