A gas generator is a type of genset that runs on gas rather than conventional choices of fuel like diesel or petrol. With gas generators there are 2 main types of gas can be used to “fuel” the genset, natural gas or biogas, with each option being a more environmentally friendly when compared to diesel or petrol. Gas generators can be used for the exact same purposes as diesel generators, the only really difference between the two is what is used to fuel them. Gas generators are more than capable to provide power to hospitals, office buildings, leisure centres, shopping centres, agricultural facilities or domestic properties, and are also cheaper to run than diesel generators due to the cost difference of gases to diesel. A gas generator can also be used to function as either a prime or standby generator for a property and is arguably better than a diesel generator as the gas lines would be located underground, away from any outside interference, and the gas feeding the generator doesn’t deteriorate over time like diesel would.
Advantages of Gas Generator
Generally Low Cost
Gas generator usually have lower upfront costs than comparable diesel generators when considering larger power rating requirements. Natural gas fuel also typically costs less than diesel fuel, meaning your long-term operating costs can remain low for the duration of your generator’s life.
High Fuel Supply
Rather than having to refill a fuel tank repeatedly, you can connect a natural gas generator to your local gas pipeline for a near-unlimited fuel supply you can rely on, barring any major disasters or utility failures. Diesel generators require extra time and expense to polish the fuel to remove contaminants. While diesel’s limited shelf life in storage means it requires extra planning and expense, with natural gas, you’re able to simply tap into the local supply.
Low Emissions
Natural gas is one of the cleanest-burning fossil fuels, releasing fewer toxins into the atmosphere than other generator fuels.
Quiet Running Sounds
Gas generator run more quietly than their diesel counterparts, making them ideal for applications where you would house them in a generator room or an area with a noise ordinance in place.
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Green Power Natural Gas GeneratorA natural gas generator for home is a type of power generator that utilizes natural gas as its primary fuel source to produce electricity. Natural gas, a fossil fuel composed mainly of methane, is
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50KVA Silent type Diesel GeneratorEngine brand: WAGNAModel: DC50W-50SCOP:40KW/50KVAFrequency: 50HZ/60HZRated voltage: 400/230V adjustableFuel type: dieselProduct warranty: one year/1000 hours
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34KVA Biogas GeneratorEngine brand: WAGNA. Model Number: GC33W-50B. COP: 27KW/34KVA . Frequency: 50HZ/60HZ. Rated Voltage: 400/230V adjustable. Fuel Type : Biogas . Product Warranty: One Year/1000 Hours.
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45KVA Biogas GeneratorEngine brand: WAGNA. Model Number: GC44W-50B. COP: 40KW/50KVA . Frequency: 50HZ/60HZ. Rated Voltage: 400/230V adjustable. Fuel Type : Biogas . Product Warranty: One Year/1000 Hours.
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56KVA Biogas GeneratorEngine brand: WAGNA. Model Number: GC55W-50B. COP: 45KW/56KVA . Frequency: 50HZ/60HZ. Rated Voltage: 400/230V adjustable. Fuel Type : Biogas . Product Warranty: One Year/1000 Hours.
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71KVA Biogas GeneratorEngine brand: WAGNA. Model Number: GC70W-50B. COP: 57KW/71KVA . Frequency: 50HZ/60HZ. Rated Voltage: 400/230V adjustable. Fuel Type : Biogas . Product Warranty: One Year/1000 Hours.
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90KVA Biogas GeneratorEngine brand: WAGNA. Model Number: GC85W-50B. COP: 72KW/90KVA . Frequency: 50HZ/60HZ. Rated Voltage: 400/230V adjustable. Fuel Type : Biogas . Product Warranty: One Year/1000 Hours.
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113KVA Biogas GeneratorEngine brand: WAGNA. Model Number: GC110W-50B. COP: 90KW/113KVA . Frequency: 50HZ/60HZ. Rated Voltage: 400/230V adjustable. Fuel Type : Biogas . Product Warranty: One Year/1000 Hours.
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138KVA Biogas GeneratorEngine brand: WAGNA. Model Number: GC120W-50B. COP: 110KW/138KVA . Frequency: 50HZ/60HZ. Rated Voltage: 400/230V adjustable. Fuel Type : Biogas . Product Warranty: One Year/1000 Hours.
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135KVA Biogas GeneratorEngine brand: WAGNA. Model Number: GC130W-50B. COP: 108KW/135KVA . Frequency: 50HZ/60HZ. Rated Voltage: 400/230V adjustable. Fuel Type : Biogas . Product Warranty: One Year/1000 Hours.
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169KVA Biogas GeneratorEngine brand: WAGNA. Model Number: GC148W-50B. COP: 135KW/169KVA . Frequency: 50HZ/60HZ. Rated Voltage: 400/230V adjustable. Fuel Type : Biogas . Product Warranty: One Year/1000 Hours.
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202KVA Biogas GeneratorEngine brand: WAGNA. Model Number: GC200W-50B. COP: 162KW / 202KVA . Frequency: 50HZ/60HZ. Rated Voltage: 400/230V adjustable. Fuel Type : Biogas . Product Warranty: One Year/1000 Hours.
Wagna G series ,gas generator set , is equipped with Wagna gas engine, alternator and control system.It covers the range of COP23-1500 Kw,and is fueled by natural gas, biogas, sewage biogas, landfill gas and other mixed gas
Why Choose Us
Our Factory
WAGNA, an international and professional power solution brand, has been focusing on industrial engine research and development to supply reliable, durable, and environmental power solutions for global users. WAGNA is specialized in design, manufacture, installation and maintenance of engine, alternator, control system and generator sets.
Our Product
WAGNA G series are devoted to developing and applying for renewable energy such as biomass gas, biogas, coal seam gas, petroleum gas and natural gas, and other clean energy, so that WAGNA products can provide a wide range of services in oil and gas exploration, coal mining, agricultural production, animal husbandry, landfills, kitchen waste, urban sewage treatment, etc.
High Quality Standards
In the industry of gasoline portable generator. WAGNA M series meets the world's strictest quality standards, such as CE, UL, etc, It well satisfies the demands of government, enterprise, family, farms in different countries for a variety of application.
Our Certifications
We always attach importance to environmental protection.In the manufacturing industry of the global generating set, Wagna is one of the few manufacturers that truly fully implement ISO14001:2004;ISO9001:2008;CE ; OHSAS18001:2007 management system standard. Now Wagna's staff is working with great enthusiasm to make Wagna become one of the best companies in this field.
Types of Gas Generators
Depending on the usage, gas generators come in all sizes and shapes. Here are the most common types
Gas powered portable generators
These are small and, as you can guess, easily portable. Portable generators are great for when you do not want to undertake the costly process of installing a bigger one in your home. The best portable generators are generally dual-fuel, meaning they can run on both gas and liquid fuel. This is because it is tough to always find a natural gas source ready to be hooked up to the device. Liquid fuel is more convenient and easier to hook up to a portable generator. Since they are small, portable generators cannot power up many appliances at once. Hence, they are more suitable for use in a pinch. If you live in an area that rarely gets power outages, then you may not need a dedicated home backup power supply. Portable generators are perfect in this case, as they are less expensive and will be useful for the rare event when your power does run out. Them being portable is another bonus, because you can take them with you in case of need.
Standby gas generators
This is the equipment that commonly comes to mind when you think of a gas generator. It connects to a gas supply from the underground pipelines. As the name suggests, this is only a standby home backup power source meant to run when you have emergency power outages.
These machines start automatically when the power goes out. You don’t have to manually power it. As a home backup, these machines cannot run for a very long time. If you leave it on for too long, the generator may malfunction. To know how many days or hours it can be run safely, refer to the instruction manual of the manufacturer. Stick to the recommended run time. Standby generators can be found for both residential and commercial use.
Prime gas generators
These are the least common out of the three types. These generators are meant for use in places that have no power source available. Because they are made for such places, prime gas machines can run for long hours without any malfunction. This is the main thing that sets them apart from the standby ones. Apart from much longer runtimes, prime generators are also capable of taking a larger load. As a result, they can make a lot more electricity and power a lot more appliances. They run continuously without any issue. Typically, prime gas ones are used for commercial purposes only. It is not very cost efficient for residential use.
Parts of a Gas Generator
Gas generator include many moving parts that, when working together, produce the electricity you need to power your business’s essential appliances and operations. The main components are:

Fuel
First and foremost, natural gas power generators need fuel to get them running. You can easily acquire a fuel supply by tapping into your municipality’s existing natural gas pipeline. Drawing fuel from a townwide source ensures your generator will maintain a steady fuel supply, meaning you can keep your operations going with minimal interruptions.
Combustion Chamber
Gas generator’ internal combustion engines contain a combustion chamber, an enclosed space where a mixture of air and fuel is compressed and then burned.
Pistons
Pistons are parts of the engine that slide back and forth within the combustion chamber, making the space inside bigger or smaller to compress the air and fuel to increase its combustibility.
Spark Plugs
Spark plugs are small pieces with electrodes on the ends that protrude into the combustion chamber.
Crankshaft
The crankshaft is a piece attached to the pistons that converts the up-and-down motions of the pistons into a rotating motion. This motion spins the rotor inside the stator to create electricity.
Stator
The stator is a series of insulated wire coils that create a stationary cylinder around the rotor.
Rotor
The rotor is the rotating electromagnetic shaft inside the stator that helps create the powerful electrical current.

How Do Gas Generators Work?
Gas generator operate on the principle of internal combustion engines, similar to gasoline or diesel generators. However, instead of using liquid fuels, they rely on the combustion of natural gas to drive a turbine or piston engine. The process can be broken down into several key steps:
Fuel Intake
The operation of a gas generator begins with the intake of air into the generator's combustion chamber. This air is necessary for the combustion process that will generate power.
Fuel Injection
In a gas generator, natural gas is injected into the combustion chamber along with the intake air. This gas is typically delivered through dedicated pipelines or storage tanks connected to the generator.
Compression
Once the air-fuel mixture is inside the combustion chamber, it undergoes compression. This compression raises the mixture's temperature and pressure, making it more combustible and ready for ignition.
Ignition
At the optimal moment in the compression stroke, a spark plug ignites the highly compressed air-fuel mixture. This ignition initiates the combustion process, resulting in a controlled explosion within the combustion chamber.
Combustion
The ignition of the air-fuel mixture leads to rapid combustion, with the natural gas burning and releasing energy in the form of heat. This heat generates high-pressure gases that expand rapidly, driving the pistons or turbines within the engine.
Mechanical Energy Conversion
The expanding gases from the combustion process push against the pistons or turn the turbine blades, converting the natural gas's chemical energy into mechanical energy.
Electricity Generation
The mechanical energy produced by the engine is then transferred to an alternator or generator, where it is converted into electrical energy. This electrical energy is then available to power electrical devices, appliances, or equipment.
Exhaust
After the combustion process is complete, the exhaust gases, which typically consist of water vapor, carbon dioxide, and trace amounts of other byproducts, are expelled from the engine through an exhaust system.
Cooling And Lubrication
Throughout the process, the engine components require cooling and lubrication to maintain optimal operating temperatures and reduce friction. Cooling systems, such as radiators or coolant loops, dissipate excess heat, while lubrication systems ensure the smooth operation of moving parts.
Control Systems
Modern gas generator are equipped with sophisticated control systems that regulate fuel flow, timing, and other parameters to optimize performance, efficiency, and safety. These control systems may include sensors, electronic controllers, and automatic shutdown mechanisms to protect the generator and its surroundings from potential hazards.
Precautions for Gas Generator
Installing a natural gas generator is an investment in the future success of your company or property, to ensure you reap all the benefits of this environmentally friendly, energy-efficient solution, make sure you’re prepared to take on any challenge, including:
Fuel supply issues
Being connected to a local gas line provides the advantage of a reliable fuel supply. However, it’s important to consider that during natural disasters or extreme temperatures, there may be increased demand for natural gas from numerous businesses and households in your area. This could potentially strain the availability of this energy source.
Location
When installing a generator, it is crucial to consider the fuel availability in your area. While some regions like australasia and parts of america are abundant in natural gas, while certain parts of the northeast face seasonal gas shortages. If you intend to install a natural gas generator in an area susceptible to such shortages or natural disasters, it is vital to have a contingency plan in order to ensure preparedness at all times.
Maintenance needs
Maintenance for gas generator is more frequent compared to diesel generators, resulting in higher service costs over a shorter period. This is primarily because gas generator require spark ignition. However, if you still prefer the advantages of a natural gas model, it is advisable to schedule maintenance during planned outages. This way, you can minimize downtime and resume operations promptly.
Gas generators convert fuel, such as natural gas or propane, into electrical energy. They consist of various components, including an engine, fuel system, electrical system, cooling system, exhaust system, and control panel. Understanding these components is vital to comprehend the maintenance requirements of gas generators.
A comprehensive maintenance routine should be followed to keep gas generators running smoothly. Regular inspection and cleaning of critical components such as air filters, fuel filters, and spark plugs are necessary to ensure optimal performance. Lubricating moving parts, such as changing oil and greasing bearings, helps reduce friction and extend the generator’s lifespan.
The electrical system requires attention, including battery maintenance and periodic inspection of wiring connections. Fuel system maintenance involves checking fuel quality, inspecting fuel pumps, and ensuring proper fuel flow. To prevent overheating, the cooling system should be inspected regularly, including radiator checks and coolant replacements. The exhaust system should also be inspected for leaks or blockages, and the muffler should be cleaned or replaced if necessary. Lastly, the control panel and monitoring system should undergo routine checks and sensor calibration to guarantee accurate readings and optimal generator performance.
Certificate

Our factory
WAGNA, an international and professional power solution brand, has been focusing on industrial engine research and development to supply reliable, durable, and environmental power solutions for global users. WAGNA is specialized in design, manufacture, installation and maintenance of engine, alternator, control system and generator sets. In the field of diesel generators. WAGNA D-series products provides power solutions for different kinds of power supply needs, including building construction, medical institution, road transport, industrial, oil exploration, mining, telecommunication, national defense, outdoor engineering etc. With capability of 120% overload. Wagna provides more possibilities for future expanding and stabilities of performance. In the industry of gasoline portable generator. WAGNA M series meets the world's strictest quality standards, such as CE, UL, etc, It well satisfies the demands of government, enterprise, family, farms in different countries for a variety of application. Because of its reliability, convenience and economy, it is also widely used in residential emergency, outdoor construction, etc.
FAQ
Guangdong Wagna Power Technology Co., Ltd. is well-known as one of the leading gas generator manufacturers and suppliers in China. If you're going to buy durable gas generator at competitive price, welcome to get more information from our factory.
