500kW Silent-Type & Open-Type Diesel Generator Set
A 500kW diesel generator set is a medium-to-large power generation solution designed for industrial facilities, commercial buildings, infrastructure projects, and applications requiring reliable standby or prime power supply.
Compared with smaller generator sets, 500kW generator systems are typically selected when the electrical load includes multiple equipment groups, large motors, production machinery, pumps, compressors, or critical electrical systems.
Main technical parameters
| Unit Parameters | |||||
|---|---|---|---|---|---|
| Generator Set Model | HL500GF | ||||
| Output Prime/Standby Capacity (kVA) | 625/687.5 | ||||
| Output Prime/Standby Power (kW) | 500/550 | ||||
| Output Prime/Standby Current (A) | 900/990 | Output voltage (V) | 400/230 | ||
| Frequency (Hz) | 50 | Power factor | 0.8 Lag | ||
| Number of phases and wiring system | Three-phase four-wire system | Voltage adjustment | Automatic Constant Voltage System | ||
| Voltage test | Three-phase detection | Current test | Three-phase Sensing | ||
| Steady-state voltage regulation rate | ≤±1.0% | Steady-state frequency regulation rate | ≤±0.5% | ||
| Steady-state voltage fluctuation rate | ≤±0.5% | Steady-state frequency fluctuation rate | ≤±0.5% | ||
| Transient voltage regulation rate | -0.35 | Transient frequency regulation rate | -0.17 | ||
| Voltage stabilization time | ≤1S | Frequency stabilization time | ≤3S | ||
| Voltage setting rise range | ≥5.0％ | Voltage setting reduction range | ≤－5.0％ | ||
| Frequency drop | ≤3.0％ | Connection method | Internationally standard SAE flexible connection | ||
| Power transmission method | Manual | ||||
| Waveform distortion | Sine wave, waveform distortion <5% | ||||
| Radio interference suppression performance | Telephone Influence Factor (TIF) < 50, Telephone Harmonic Factor (THF) < 2% | ||||
| Operating Environment | Ambient temperature ≤ 40°C, altitude ≤ 1000m, relative humidity ≤ 60% | ||||
| Compliance with Standards | Complies with GB/T 2820-2009 | ||||
| Diesel Engine | |||||
| Model | KT38-G | Power (kW) | 560/616 | ||
| Manufacturer | Chongqing Cummins Engine Co., Ltd. | ||||
| Engine Configuration | V-type, 12-cylinder, four-stroke, exhaust-gas turbocharged | ||||
| Bore × Stroke (mm) | 159×159 | Rotational speed Rpm/min | 1500 | ||
| Displacement (L) | 38 | Speed control method | Electronic speed control | ||
| Starting method | Electric start | Cooling method | Closed-loop water cooling | ||
| Fuel consumption rate (100%) (g/kW·h) | ≤213 | Compression ratio | 15.5：1 | ||
| Filtration system | Features integrated replacement of engine oil, diesel, and air filters. | ||||
| Exhaust system | Equipped with a high-performance industrial muffler for superior noise reduction. | ||||
| Dynamo | |||||
| Model | S5L1D-F41 | ||||
| Manufacturer | Cummins Generator Technologies (China) Co., Ltd. | ||||
| Structure and excitation method | Brushless, self-excited, self-cooling, and constructed with pure copper windings. | ||||
| Rated capacity (kVA) | 670 | Rated Power (kW) | 536 | ||
| Degree of protection | IP23 | Insulation Class | H | ||
| Number of poles | 4 poles | Efficiency | 98.30% | ||
| No-load voltage adjustment range | ≥±5% | Voltage control method | AVR Automatic voltage regulation | ||
| Voltage recovery time | ＜1 second | Frequency fluctuation rate | ≤±0.25% | ||
| Overload capacity and duration | 10%; 1 hour allowed within 12 hours. | ||||
| Control Panel | |||||
| Model | HLK500 | ||||
| Monitoring Item | Current, voltage, frequency, oil pressure, water temperature, rotational speed, etc. | ||||
Product Positioning
Designed for Medium and Large Power Requirements
500kW diesel generator sets are positioned between small commercial backup units and large multi-generator power systems.
They are suitable for user who require:
- Higher power output than standard commercial backup generators;
- Stable electricity supply for industrial operations;
- Reliable emergency power during grid failures;
- Flexible installation options for different project environments;
- Future expansion possibilities through parallel operation.
A 500kW generator set is often selected as an independent backup power source or as part of a larger power generation system.
Procurement Information Of You Should Prepare
Before requesting a quotation for a 500kW diesel generator set, you should provide:
Basic Project Information
- Application type;
- Installation location;
- Required quantity;
- Standby or prime power requirement.
Electrical Information
- Voltage;
- Frequency;
- Phase;
- Load capacity.
Load Characteristics
Especially important for 500kW applications:
- Motor loads;
- Pumps;
- Compressors;
- Large machinery;
- Starting method.
Installation Conditions
Please provide:
- Indoor or outdoor installation;
- Ambient temperature;
- Altitude;
- Space limitations;
- Noise requirements.
How to Select the Right 500kW Generator Configuration?
A suitable 500kW generator set should not only match the rated power but also consider the complete operating conditions.
Customers should evaluate:
| Consideration | Why It Matters |
|---|---|
| Load type | Determines generator capacity requirements |
| Motor starting | Prevents voltage drop during equipment startup |
| Operating hours | Influences power rating selection |
| Installation environment | Determines enclosure and cooling requirements |
| Expansion plan | Affects future system design |
| Maintenance access | Influences long-term operating reliability |
Request a 500kW Diesel Generator Quotation
To recommend a suitable 500kW diesel generator configuration, please provide:
- Required power (kW/kVA);
- Voltage and frequency;
- Application;
- Load list (if available);
- Motor starting requirements;
- Installation environment.
Our engineering team can help evaluate the suitable generator configuration according to your project requirements.
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