We specialize in producing all kinds of Diesel Generator Set products, mainly High-voltage Diesel Generator Set, Low-voltage Diesel Generator Set, Open Diesel Generator, Gas Diesel Generator Set, Silent Type Diesel Generator, 1875 Kva Diesel Generator Set, 3 Phase Diesel Generator Set, Water Cooled Diesel Generator Set, Low Voltage Open Type Diesel Generator Set, Gas Generator Set, etc.
Cummins Co., Ltd. was established in 1919. After years of operation, it has mature technical expertise, advanced process equipment, extensive production experience, and a complete service system.
We have established long-term cooperative relationships with customers around the world, allowing customers around the world to buy high-quality products and enjoy excellent customer service.
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Cummins Co., Ltd was established in 1919, with more than 100 years of manufacturing experience, creating many successful cases and can provide customers with perfect solutions.
Advanced Production Equipment
We are a full-service company providing complete design, R&D, production and sales services. Our production workshop is equipped with the most advanced equipment.
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The company is committed to producing high-quality products that meet customer's standards. The company uses advanced technology and equipment to ensure consistency in the quality of its products.
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We have an experienced and professional customer support team to provide flexible service to customers around the world, giving full support from product design to marketing. Our multi-lingual sales staff will provide you with 24/7 hours online service, and use their rich industry experience and powerful product database to solve your doubts about product specifications, usage and design.
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We are present globally, backed by local customer service, and a strong sales representatives network. Our logistic hubs with large storage capacities located close to our customer facilities (Europe, Americas, Asia Pacific) ensure short time deliveries.
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We have professional sourcing team and cost accounting team, stive to reduce cost and profit and provide you a good price. Our pricing policies are designed to offer affordable options while not compromising on quality. We also can offer different discounts based on your order quantity.
Diesel Generator Set is a machine that converts mechanical energy into electrical energy. It is an essential piece of equipment for providing power in a variety of applications, including homes, businesses, and industrial sites. There are several types of generators available, including gas, propane, and diesel generator sets.
Diesel Generator Sets are powered by a diesel engine, which is an internal combustion engine that runs on diesel fuel. The engine converts the chemical energy of the diesel fuel into mechanical energy, which is then used to drive a generator (an alternator). The alternator converts the mechanical energy into electrical energy, which can then be used to power lights, appliances, and equipment. Diesel generators are commonly used as backup power sources for buildings, as well as in industrial, construction, and mining operations where electrical power is needed but not readily available from the grid.
Diesel Generator Sets are ideally used in rural or outback areas that are not connected to a power grid, or as emergency power-supply if the grid fails for organisations or industries that rely on constant and continuous power, as well as for more complex applications such as peak-lopping, grid support and export to the power grid.
Advantages of Diesel Generator Set
The following are the key advantages of diesel generator sets:
Relatively low maintenance:
This is because the generator's engine requires fewer components to start, so you won't have to change spark plugs or repair carburetors as frequently as you would with a gas engine.
Durability
Diesel engines are very durable in the workplace, so they can withstand a lot of tears and wear in a range of environments.
Secure storage
Diesel, while still flammable, has a significantly reduced chance of igniting than other fuels, such as gasoline.
Power output
Diesel generators can handle higher power loads and can run for longer periods than other types of generators.
Strength
More strong and reliable.
Fuel easily accessible
Portable diesel generator sets are frequently carried behind diesel vehicles. When you're out and about performing work, you won't need to carry two separate types of fuel.

Types of Diesel Generator Set
High-voltage Diesel Generator Set
A high-voltage diesel generator set can provide backup power to data centers and protect data transmission from interruption. They can also reduce transmission losses and the need for cable investment.
The high-voltage diesel generator set is mainly to meet the power demand of high-voltage equipment, the need of long-distance power transmission, and the parallel operation of high-power loads.
High-voltage Diesel Generator Sets can output anywhere from 1350-4365 kVa of power through a voltage range of 3-12kv for 50hz requirements and 3.6-13.8kv for 60hz requirements.
Low-voltage Diesel Generator Set
A low-voltage diesel generator set is a diesel generator that has a power of up to 5MW and a voltage output of less than 1kV. Diesel generators can produce an electrical output of 110–600 volts in alternating current (VAC).
Low-voltage Diesel Generator Sets are defined as systems that do not exceed 1,000 VAC. High voltage systems can range from 1,000 VAC to a limitless power/output.
Low-voltage Diesel Generator Sets are used to supply continuous, standby, or emergency power for cargo ships, supply vessels, offshore platforms, and other vessel types.
Open Diesel Generator
An open diesel generator is a diesel generator that doesn't have a canopy. The term "open" refers to the design of the generator, which usually has an exposed engine and alternator.
Open diesel generators are known for their reliability, robustness, and ease of maintenance. They can be used for a variety of power generation needs in many sectors.
Silent Type Diesel Generator
A silent type diesel generator is a generator that runs in a soundproof container or generator cage. The generator's engine enclosure uses composite components and usually has layers of soundproof material that reflect sound back into the enclosure. Silent generators also have sound-absorbing technology and an inverter system, which open generators do not have.
Silent Type Diesel Generators are low noise, rainproof, and have good ventilation performance. They can be installed outside to save space and are easy to install and move.
Silent Type Diesel Generators generally range from 75-85 dB(A) at 1m. The Denyo Malie DCA-45MZ is the quietest diesel generator on the market, operating at just 44 dBA, which is similar to the noise level of an average library.

Diesel generators are used in many versatile applications around the globe. Typically they are set up in rural places where they are connected to a power grid and can be used as the main power source or for a backup system. Diesel generators can also be used to offset the peaking power needs on the grid because they can quickly be turned on and off without inducing any lag time. Generators used in residential settings can range anywhere from 8 to 30 kW while generators used for commercial settings can range anywhere from 8 KW to 2,000 KW. Large ships also utilize diesel generators for auxiliary power purposes, which can range from lights, fans and switches to supplementing power to the propulsion system.
The major components of a diesel generator set can be classified as follows:
IC Engine: The engine is the most important part of a diesel generator set, as it provides mechanical energy that is later transformed into electrical power. The power output of these generators is proportional to the engine size. The more powerful the engine, the more electricity it produces.
Alternator: The alternator is another crucial component of a diesel generator set. It converts the engine's mechanical input (the spinning of the shaft) into electrical output via induction. An alternator is constructed out of a rotor that creates alternating electricity by producing a magnetic field. Hence, the rotor is regarded as the alternator's primary component.
Fuel System: The fuel system stores and distributes the fuel to the generator. The most critical factor in getting the engine to run is fuel. The fuel's chemical energy is transferred to mechanical energy, which is ultimately converted to electrical energy by the engine.
Lubricating (oil) System: This component ensures that a diesel generator's different components work smoothly. As a result, to avoid any problems, it's critical to keep a constant eye on the generator's lubricating system. Because a generator has a lot of spinning parts, it's critical to have a good lubrication system that not only protects the moving parts from friction but also keeps them cool.
Voltage Regulator: This is a complicated but necessary component. Without it, the AC produced would vary in voltage and amperage depending on the engine's speed. Because modern electrical equipment requires a very stable power supply, something must be done to balance it. The workings of a voltage regulator are highly complex, and this content will not go into detail about them.
Cooling System: In addition to mechanical energy, the engine creates a lot of waste heat, just like in a car. The electrical resistance of the wires generates heat when the power passes through the alternator. This heat is absorbed by a coolant fluid, usually but not always water, which then passes via a heat exchanger, discharging its heat into the air or sometimes into a secondary coolant fluid.
Exhaust System: Exhaust gases are produced by all internal combustion engines. These are poisonous and must be kept away from the engine and any humans around. Exhaust gases are usually carried through pipes and released into the atmosphere. Before installing a new generator, check with your local health and safety standards to see how and where exhaust systems must be channeled.
Starter and Battery System: The diesel motor, like the one in a car or a truck, is started by a small electrical motor. This electrical starter motor is powered by a battery that is charged either by a separate charger or by the generator's output.
Control Panel: The Control Panel houses the Start/Stop button as well as indicators for various parameters.
The Housing/Frame: An open structural frame, weatherproof housing, or a transportable unit will house the diesel generator set. All of these functions work together to keep the components connected and secure. It also guarantees that all electrical components are grounded correctly.

Working Principle of Diesel Generator Set
The working principle of a diesel generator set is established on the thermodynamics law of energy conversion. This law states that energy cannot be created or destroyed but can only be changed from one form to another.
To produce AC (alternating current) power, diesel generators go through a series of stages. When the diesel generator starts, it goes through its four combustion processes: suction, compression, power, and exhaust. As a consequence, the fuel's chemical energy is transformed into rotational mechanical energy. This mechanical energy is employed to turn a crankshaft. The spinning shaft is now used to rotate the alternator's rotor. The rotor and stator are the two crucial parts of an alternator that creates electricity.
The rotor, a cylindrical component surrounded by magnets, spins inside the stator, which is made up of a fixed arrangement of conductive copper wiring. In the end, the movement of the magnets across the wiring is what generates electrical charges in the circuit. Electricity is generated when the rotor spins. The magnets surrounding the rotor are precisely positioned to create a magnetic field as they pass through the stator's copper wiring. The magnetic field is commonly produced by two polarized magnets in an electric generator application. This magnetic field generates voltage, which is captured by the stator. The voltage regulator then delivers the electricity to the desired location while managing the voltage received.
The alternator produces an AC, which is converted to DC with the help of a rectifier in a diesel generator.
Note that the electromagnetic field in the rotor is created by the excitation system. The electrical power produced in the stator is proportional to the strength of the magnetic field formed. Direct current (DC) is used to generate the electromagnetic field, and it can range from 50 amps to 9000 amps or more, based on the size of the generator. Modern excitation systems are static, with DC generated by rectifying AC power with power potential transformers (PPTs) and saturable current transformers (SCTs).
Maintaining a diesel generator set is crucial to ensure its longevity and reliability. Regular maintenance can also help prevent costly repairs and downtime. There are several key components of a diesel generator that should be regularly inspected and maintained to ensure proper functioning.
The first step in maintaining a diesel generator is to perform regular oil changes. The oil in a diesel generator acts as a lubricant for the engine and helps to prevent wear and tear on the internal components. It is important to check the oil level regularly and change the oil at the recommended intervals. The oil filter should also be replaced at the same time as the oil change.
The air filter is another important component that should be regularly inspected and maintained. The air filter is responsible for removing dust and other contaminants from the air before it enters the engine. A clogged air filter can lead to reduced engine performance and increased fuel consumption. It is important to check the air filter regularly and replace it if it is dirty or clogged.
The fuel filter is another important component that should be regularly inspected and maintained. The fuel filter is responsible for removing dirt and other contaminants from the fuel before it enters the engine. A clogged fuel filter can lead to reduced engine performance, increased fuel consumption, and even engine damage. It is important to check the fuel filter regularly and replace it if it is dirty or clogged.
The coolant system is also an important component that should be regularly inspected and maintained. The coolant is responsible for keeping the engine at the proper operating temperature. The coolant level should be checked regularly and topped off as necessary. The coolant should also be changed at the recommended intervals.
Finally, the battery is an important component that should be regularly inspected and maintained. The battery is responsible for providing the electrical power needed to start the generator. The battery should be checked regularly for proper charge and replaced if necessary.
Regular maintenance of a diesel generator is important to ensure its longevity and reliability. By performing regular oil changes, inspecting and maintaining the air filter, fuel filter, coolant system, and battery, you can help prevent costly repairs and downtime. It is also important to have a qualified technician perform regular inspections and maintenance to ensure that the generator is operating at peak efficiency.
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