product specifications for 500KWnatural gas / biogas generator

Short Description:

The engine of this series of products uses Guangxi Yuchai base gas engine, which is a well-known internal combustion engine manufacturer in China. The gas engine is optimized and improved together with NPT Company.

Engine’s gas mixture system, ignition and control system are independently matched and optimized by NPT, which are reliable and durable.

Product Detail

Product Tags

Generator Set Specifications

Genset Model 500GFT
Structure integrated
Exciting Method AVR Brushless
Rated Power ( kW/kVA ) 500/625
Rated Current ( A ) 900
Rated Voltage ( V ) 230/400
Rated Frequency ( Hz ) 50/60
Rated Power Factor 0.8 LAG
No Load Voltage Range 95% ~ 105%
Stable Voltage Regulation Rate ≤±1%
Instantaneous Voltage Regulation Rate ≤-15% ~ +20%
Voltage Recover Time ≤3 S
Voltage Fluctuation Rate ≤±0.5%
Instantaneous Frequency Regulation Rate ≤±10%
Frequency Stabilization Time ≤5 S
Line-voltage Waveform Sinusoidal Distortion Rate ≤2.5%
Overall Dimension ( L*W*H ) ( mm ) 5400*2250*2540
Net Weight ( kg ) 8400
Noise dB ( A ) <93
Overhaul Cycle ( h ) 25000

Engine Specifications

Model NY396D55TL ( AVL Technology )
Type Inline, 4 strokes, electric control ignition, turbocharged and intercooled, pre-mixed lean burn
Cylinder Number 6
Bore*Stroke ( mm ) 200*210
Total Displacement ( L ) 39.584
Rated Power ( kW ) 550
Rated Speed ( r/min ) 1500/1800
Fuel Type Natural gas/ Biogas
Oil (L) 170

Control Panel

Model 500KZY, NPT brand
Display Type Multi-function LCD display
Control Module HGM9320 or HGM9510, Smartgen brand
Operation Language English


Model XN5FS
Brand XN ( Xingnuo )
Shaft Single bearing
Rated Power ( kW/kVA ) 500/625
Enclosure Protection IP23
Efficiency ( % ) 94.6

Our Services


According to product design and end users' years experience, strictly following our operation manual and make gen-set load under 85% of prime power, we guarantee the major overhaul terminal more than 15000 hours, and lifetime is over 20 years.

After Service

12 months or 1500 running hours warranty covering all manufacturing defects  (whichever comes first)since leaving China port, our company provides free easily-damaged parts for the faults caused by the quality of products or raw material, but exclude the damageable parts of engine due to customer's incorrect man-made operation. After expiration, our company provides spare parts with cost for maintenance forever.

Multi Machine Parallel / Grid ConneNcted Monitoring System Example Diagram


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