| Generator Model | GJY400-NG | |
| Gas Source | Natural Gas | |
| Standby kVA | 550 | |
| Prime kVA | 500 | |
| Standby kW | 440 | |
| Prime kW | 400 | |
| Rpm | (r/min) | 1500 |
| Voltage Options | V | 400 |
| Frequency | 50 | |
| Power Factor | 0.8 | |
| Electrical Efficiency | % | ≥38 |
| Thermal Efficiency | % | ≥54.5 |
| Total Efficiency | % | ≥92.5 |
| Gas Consumption | m³/h | 115.7 |
| Heat balance parameters | ||
| Cooling Water Heat of Cylinder Liner (±%8) | kW | 376 |
| Cooling Water Heat of Oil Cooler (±%8) | kW | 86 |
| Total Cooling Water Heat of High Temperature Cooling System (± %8) | kW | 462 |
| Cooling Water Heat of Intercooler (±%8) | kW | 104 |
| Total Cooling Water Heat of Low Temperature Cooling System (± 8) | kW | 104 |
| Exhaust Gas Waste Heat (Exhaust Gas Temperature Up to 120°C) (±%8) | kW | 260 |
| Total Radiant Heat (±%8) | kW | 61 |
| Cooling parameters | ||
| Flow Rate of High Temperature Circulation Water | m³/h | 52.2 |
| Inlet Temperature of High Temperature Circulation Water (± %2) | °C | 78.4 |
| Outlet temperature of high temperature circulating water (±2%) | °C | 86 |
| Low temperature inlet water temperature (±2%) | °C | 40 |
| Low Temperature Outlet Water Temperature (±%2) | °C | 42.4 |
| Intake and exhaust parameters | ||
| Air Intake | kg/h | 2212 |
| Gas Intake | kg/h | 340 |
| Air Displacement | kg/h | 2552 |
| Post-Turbocharger Exhaust Temperature (±%5) | °C | 450 |
| Test Conditions | ||
| Calorific Value of Gas | kWh/m | 9.1 |
| Methane volume content | % | ≥96 |
| Gas temperature | °C | -10~40°C |
| Gas Inlet Pressure (Before Regulator) | kPa | 800～1000 |
| Gas Inlet Pressure (After Regulator) | kPa | 400～600 |
| Air intake negative pressure | kPa | >-3 |
| Exhaust back pressure | kPa | <5 |
| Absolute atmospheric pressure | kPa | 101.32 |
| Ambient temperature | °C | 25 |
| Relative humidity | % | 30 |
| Altitude | m | ≤1,000 |
