Introduction to Gas Generator Sets

Main Applications:

1. Driving oil pumping units with wellhead associated gas;
2. Generating power with excess natural gas for grid connection;
3. Driving water injection pumps and mixed transmission pumps with natural gas separated at gathering stations;
4. Serving as alternative power sources or directly driving compressors in natural gas filling stations;
5. Acting as backup/alternative power sources for hotels;
6. Applied in combined cooling, heating, and power (CCHP) systems to achieve cascade energy utilization, with high comprehensive efficiency and reduced operating costs;
7. Establishing small and medium-sized power stations.

Technical Specifications and Features:

1. Gas Engines: Developed based on Deutz 6M, 8M, 234, 604, 620 series and Cummins B, C, L, M, N, K series diesel engines. According to the physical properties of gas fuels, key thermal load components such as cylinder heads, pistons, piston rings, intake/exhaust valves, valve seats, and camshafts are re-optimized to extend the engine's service life under high thermal load conditions. Components like fans, radiator water tanks, intercoolers, turbochargers, and exhaust manifolds are reselected based on gas engine characteristics, creating true gas engines.
2. Industrial-Grade Ignition Control System: Electric control (ECU) sequential ignition system. According to the operating conditions of gas generator sets, real-time calibration is performed via software to compile load-ignition MAP diagrams for precise ignition timing control. Matched with industrial-grade high-energy independent ignition coils (80mJ-300mJ optional) and spark plugs to improve combustion efficiency, reduce engine exhaust temperature, enhance starting performance, and ensure stable and reliable operation.
3. Gas-Specific Speed Control System: Adopts internationally renowned brand gas-specific speed controllers, featuring small speed fluctuation, fast transient response, stable operation, high-quality power output, and generator set electrical performance meeting or exceeding G2 standards.
   • Steady-state speed regulation rate ≤ ±0.2%
   • Transient speed regulation rate ≤ ±4%
   • Frequency fluctuation rate ≤ ±0.5%
   • Steady-state voltage regulation rate ≤ ±0.3%
   • Stabilization time ≤ 2 seconds.
4. Low-Pressure Design & Low Fuel Consumption: Utilizes advanced international gas flow control technology and lean burn technology, optimizes the supercharging system, and employs precise high-energy ignition to improve engine combustion efficiency and reduce fuel consumption. It can operate with a pipeline pressure as low as 0.5kpa.
5. Generators: Use brushless self-excited synchronous generators with automatic voltage regulators from well-known brands. The main rotor features integral salient pole punching sheets, integrated by aluminum die-casting and full damping windings. The interlayer of windings is filled with high-grade thermosetting epoxy resin, ensuring good electrical insulation and reliable mechanical strength. Generators comply with standards such as GB755, BS5000, VDE0530, NEMA MG1-22, IED34-1, CSA22.2, and AS1359.
6. Gas Supply Safety Valve Group: Gas regulation pipelines and safety designs comply with the EU gas component standard 90/356/EWG certification.
7. Unit Control Cabinet: Equipped with internationally renowned brand comAp controllers, ensuring high reliability and stability. Modular design, compact structure, simple wiring, easy operation, and convenient maintenance. The control panel features a 4-line ultra-wide LCD text display and multiple protection functions, enabling remote monitoring.
8. Waste Heat Recovery System: Uses high-efficiency heat exchangers to recover waste heat from cylinder jacket water and flue gas, generating high-quality hot water or steam. The total thermal efficiency of the unit exceeds 85% (designable according to specific customer requirements), complying with the European DGRL 97/23 standard.
9. Intelligent CHP Control System: An intelligent CHP management system produced by patented technology can realize power generation based on heat demand or heat supply based on power demand, meeting different user needs.
10. Silent Design: The noise pressure level of the unit at 7 meters ≤ 70 decibels, and some units ≤ 55 decibels.
11. Gas Unit Manufacturing Standards: Comply with NEMA/ISO/IEC/CSA, ISO8528, ISO3046, GB/T2820.5-1997, BG/T22343-2008.
12. Gas Unit Safety Standards: Comply with European gas system technical specifications 90/356/EWG, ECE R110, R67, and CE standards.

    Gas Generator Technical Parameters

    Model	Rated Power (KVA/KW)	Engine Model	Cylinders	Bore/Stroke (mm)	Gas Consumption (m³/kWh)	Fuel	Dimensions (L×W×H mm)	Weight (kg)
    KT-20GFT	25/20	4NG3.9-G1	4	102/120	≤0.33	NG	2100×730×1570	880
    KT-27GFT	34/27	4NG4.0-G1	4	100/127	≤0.33	NG	1800×730×1260	930
    KT-30GFT	37.5/30	4NG3.9TAA-G1	4	102/120	≤0.33	NG	2100×730×1670	1190
    KT-40GFT	50/40	6NG6.0-G1	6	100/127	≤0.33	NG	2100×780×1450	1190
    KT-42GFT	52.5/42	4NG3.9TAA-G2	4	102/120	≤0.33	NG	2100×830×1670	1200
    KT-56GFT	70/56	6NG5.9TAA-G1	6	102/120	≤0.33	NG	2490×830×1770	1400
    KT-75GFT	94/75	6NG5.9TAA-G3	6	102/120	≤0.33	NG	2490×830×1770	1490
    KT-90GFT	112/90	6NG5.9TAA-G4	6	102/120	≤0.33	NG	2490×830×1770	1560
    KT-100GFT	125/100	6NG5.9TAA-G5	6	102/120	≤0.33	NG	2490×830×1770	1590
    KT-120GFT	150/120	6NG8.3TAA-G1	6	114/135	≤0.33	NG	2680×860×1730	1710
    KT-130GFT	163/130	6NG8.3TAA-G2	6	114/135	≤0.33	NG	2680×860×1730	1740
    KT-145GFT	182/145	6NG8.3TAA-G3	6	114/135	≤0.33	NG	2680×860×1730	1770
    KT-160GFT	200/160	6NG8.3TAA-G4	6	114/135	≤0.33	NG	2680×860×1730	1800
    KT-200GFT	250/200	6NG8.9TAA-G1	6	114/135	≤0.33	NG	2800×1090×1715	2040
    KT-224GFT	280/224	6NG14TA-G1	6	140/152	≤0.33	NG	2930×1100×1650	3410
    KT-250GFT	312/250	6NG14TA-G2	6	140/152	≤0.33	NG	2930×1100×1650	3450
    KT-300GFT	375/300	6NG14TAA-G1	6	140/152	≤0.33	NG	3485×1155×1640	3670
    KT-360GFT	450/360	6NG19TA-G1	6	159/159	≤0.33	NG	3600×1355×1910	3970
    KT-400GFT	500/400	6NG19TA-G2	6	159/159	≤0.33	NG	3600×1355×1910	4040
    KT-440GFT	550/440	6NG19TA-G3	6	159/159	≤0.33	NG	3600×1355×1910	4170
    KT-500GFT	625/500	6NG19TAA-G1	6	159/159	≤0.33	NG	3720×1640×2040	4470
    KT-528GFT	660/528	12NG38TAA-G1	12	159/159	≤0.33	NG	4660×2090×2320	6900
    KT-640GFT	800/640	12NG38TAA-G2	12	159/159	≤0.33	NG	4660×2090×2320	7400
    KT-728GFT	910/728	12NG38TAA-G3	12	159/159	≤0.33	NG	4660×2090×2320	7720
    KT-830GFT	1038/830	12NG38TAA-G4	12	159/159	≤0.33	NG	4660×2090×2320	7900

    Technical Notes

    1. The above parameters apply to 50Hz units with rated voltage 400/230V, power factor 0.8, and 3-phase 4-wire connection. 60Hz generators can be customized upon request.
    2. Generators can be equipped with well-known brands such as Kaihua, Kajeli, Stamford, Leroy-Somer, Marathon, etc., as per customer requirements.
    3. Data is for reference only and subject to change without prior notice.