
Working Principle
• Internal Combustion Engine: In a silent generator, an internal combustion engine (like diesel or gasoline engines) burns fuel to create mechanical energy. The engine's pistons move up and down, driving the crankshaft to rotate.
• Generator: The crankshaft is connected to an electrical generator. As the crankshaft rotates, it spins the generator's rotor within a magnetic field, generating electrical energy through electromagnetic induction.
Structural Features
• Soundproof Enclosure: It is equipped with a soundproof enclosure made of materials like sound-absorbing cotton and soundproof boards to isolate the noise from the engine and generator.
• Vibration Isolation System: Springs or rubber shock absorbers are used to reduce vibration transmission from the engine and generator to the ground and surrounding structures.
• Exhaust System: The exhaust system is designed with mufflers to reduce the noise of the exhaust gas.
Advantages
• Low Noise Pollution: It significantly reduces noise pollution, making it suitable for use in noise-sensitive areas such as hospitals, schools, and residential areas.
• Stable Power Supply: It can provide a stable power supply, ensuring the normal operation of various electrical equipment.
• High Reliability: With advanced design and manufacturing processes, silent generators have high reliability and can operate continuously for a long time.
Applications
• Residential Use: It can be used as a backup power source during power outages to ensure the normal operation of household appliances.
• Commercial and Industrial Applications: In shopping malls, office buildings, factories and other places, it can be used as an emergency power supply or to meet the power needs in special cases.
• Outdoor Activities: For outdoor events, construction sites and other places where electricity is needed, silent generators can provide convenient power supply without causing too much noise.
water tank | Diesel Pump | Return Line |
Air Filter Element | Four Protect System | Alternator |
Intake Pipe | Starting Battery | Diesel Filter Element |
Engine Base | Unit Nameplate | Air Swith |
Oil Gauge | Turbo Charged Engine | Oil Filter Element |
Battery Charger | Shock Absorber | Battery Breaker |
Generators set model | HL50GF | Speed mode | Electronic speed regulation |
Prime power(KW) | 50 | Full load fuel consumptionrate(g/kwh) | 202 |
Standby power(KW) | 55 | reference weight (Kg) | 290 |
Unit capacity(KVA) | 62.5 | Fuel model | Domestic No. 0 |
Related speed (RPM) | 1500 | Coolant flow(m'/min) | / |
Related voltage (V) | 400 | Gas volume(mmin) | / |
Rated current (A) | 90 | Smoke exhaust(m³/min) | / |
Related frequency(Hz) | 50 | Speed mode | / |
Rated power factor | 0.8 | cooling method | Closed water cooling |
Phase | 3 | Oil capacity(L) | 102*120 |
Reference weight(Kg) | 820 | Coolant capacity (L) | 3.9 |
Reference size (L x W x H) | 1830*750*1200mm | reference weight (Kg ) | 350 |
Engine model | 4BTA3.9-G2 | Alternator model | HLF50 |
Engine related power (kw) | 50 | Rated voltage (V) | 400 |
Engine standby power (kw) | 55 | Rated frequency(Hz) | 50 |
Engine structural features | Four-stroke,turbocharged | Rated speed(RPM) | 1500 |
Cylinders /arrangement | 4 cylinders/in-line | Power factor | 0.8 |
Bore *stroke(mm) | 102*120 | Phase and wiring | Three phase ,Y type |
Displacement(L) | 3.9 | efficiency(%) | 95.19 |
Compression ratio | 17.3:1 | Excitation method | Brushless excitation |
Start method | Electric | Insulation class | H |
Protection level | IP23 |


