Reasons for The Power Reduction During Generator Set Operation

It has been known from the working process of the diesel engine of the generator set that the diesel fuel is injected into the cylinder and mixed with the hot air, and then ignites and burns to generate power. Therefore, the horsepower of the diesel engine is naturally related to the amount of air and the amount of diesel it can burn. In this article, Starlight Power Generation Equipment will introduce it in detail.

At high altitudes, due to the decrease in atmospheric pressure, the air density decreases, and the weight of the air drawn into the cylinders of the generator set is correspondingly reduced, which limits the amount of diesel that can be burned, and the horsepower decreases. For the same reason, the high temperature and humidity of the air will also reduce the horsepower of the diesel engine of the generator set. Therefore, the use of diesel engines in different regions, or under different atmospheric conditions in the same region, should consider this power change. For example, the same diesel engine can produce less power in summer than in winter.

When the diesel engine of the generator set works, many parts slide or rotate relative to each other at a high speed under a certain load, such as piston and cylinder liner, crankshaft and bearing, etc. Although the surfaces of these parts are lubricated to different degrees, with the increase of working time, the surfaces in contact with each other will inevitably wear due to friction, and gradually destroy the original size and geometry. This normal wear and tear is often referred to as “natural wear” and is actually unavoidable. But this is by no means to say that there is nothing we can do about wear and tear and let it take its course.

In fact, by correctly selecting the materials of the mutually matched parts, adopting advanced and reasonable heat treatment methods, improving the processing quality and matching conditions of the contact surfaces of the generator set parts, improving cooling and lubrication, and taking active measures in timely maintenance, such wear will be reduced. Significantly reduced, thereby improving the reliability of the diesel engine and prolonging its service life.

Jiangsu Starlight Power Generation Equipment Co., Ltd. was founded in 1974 and is one of the earliest manufacturers of generators and diesel generator sets in China. The company has a registered capital of 218.88 million yuan. The company covers an area of 86,000 square meters and a building area of 55,000 square meters. There are more than 660 employees, including 456 professional technicians and 106 senior technicians. It has 46 sales and service outlets nationwide. The main products are diesel engines, generator sets, and diesel generators, providing users with a one-stop service of design, supply, debugging and maintenance at any time. Starlight has always insisted on using first-class talents, building first-class enterprises, manufacturing first-class products, creating first-class services, and making every effort to build a first-class domestic enterprise. If any question please feel free to visit our website https://www.dieselgeneratortech.com/ or send email to sales@dieselgeneratortech.com.

648KW Yuchai Diesel Generator Set

On May 27, 2021, Starlight Power signed another contract with Guangxi Dadu Hengcheng Real Estate Development Co., Ltd., a subsidiary of Guangxi Construction Engineering Group, and successfully signed a 648KW Yuchai diesel generator set for emergency backup power. In addition, Starlight Power is also responsible for the environmental protection and noise reduction project of the generator room.

It is understood that Starlight Power has maintained friendly and cooperative relations with the Construction Engineering Group since November 2013. This is the ninth cooperation between Starlight Power and Guangxi Construction Engineering Group. Prior to this, the Construction Engineering Group had purchased a total of 11 diesel generator sets from Starlight Power. Over the years, Starlight Power has won the unanimous recognition of users with its strong R&D technical strength, advanced testing equipment, fine production technology, perfect quality management system and professional manufacturing technology.

Guangxi Construction Engineering Group is a large-scale state-owned enterprise in Guangxi Zhuang Autonomous Region, and it is a “100-billion-billion-dollar enterprise engineering” enterprise focused on by the autonomous region. The business covers construction and installation, real estate, construction machinery manufacturing and leasing, concrete, building materials sales, infrastructure investment, international business, mining, hotels, etc. Its subsidiary Guangxi Dadu Hengcheng Real Estate Development Co., Ltd. is currently working hard to build the “Jiangong City” project, which will become a “city within a city” with more than 80,000 people after the development is completed. The future appreciation space is limitless. Starlight Power is very honored to be the strategic cooperative supplier for the procurement and installation of diesel generator sets of the “Jiangong City” project. Thanks to Guangxi Construction Engineering Group for its support to Starlight Power for many years.

Jiangsu Starlight Electricity Equipments Co.,Ltd. is one of the earliest manufacturers of generators and diesel generator sets in China. The company relies on high-quality products and good services. It has been widely recognized by users in many fields. At present, it can provide various specifications of diesel generator sets in the power range of 15KW-2500KW. For more details, please contact us with sales@dieselgeneratortech.com.

How To Deal With Blue Smoke From Cummins Diesel Generator Set

The blue smoke of Cummins diesel generator set is mostly caused by the internal failure of the diesel engine, which causes the lubricating oil to penetrate into the cylinder and ignite. There are usually two conditions: the inner wall of the cylinder is scratched, the piston seal is poor or the cylinder is seriously damaged, all of which are It will cause gaps, and the lubricating oil that was originally responsible for lubrication will use these gaps to enter the cylinder to participate in ignition. When the lubricating oil that cannot be ignited is discharged, it will cause blue smoke.

Diesel generator sets have blue smoke treatment methods:

1. For generator sets that have been used for a long time, the airtightness of the cylinder block, piston and other components should be checked frequently, and repairs should be made in time when blue smoke is found to be discharged to prevent greater losses.

2. Lubricating oil should be added in an appropriate amount, too much or too little is not advisable. Regularly check the use of lubricating oil. Once abnormal consumption of lubricating oil is found, immediately go to a professional maintenance station for inspection.

The common failure problem of blue smoke after diesel engine operation is usually caused by the high temperature and ultra-high pressure after part of the lubricating oil is inserted into the cylinder, the lubricating oil evaporates to form steam, and then it is discharged with the exhaust gas. If the lubricating oil is ignited, it will cause black smoke from the exhaust pipe, resulting in the addition of carbon deposits in the cylinder and the increase in the amount of lubricating oil used. When the internal coupler of the fuel injector is stuck or the oil hole is blocked, the exhaust pipe will also emit blue smoke.

(1) The lubricating oil inside the oil pan is added to the cylinder, evaporated into oil and gas and ignited and discharged from the exhaust pipe.

(2) Serious oiling around the inside of the diesel engine cylinder.

(3) The damage gap between the cylinder rod and the valve guide inside the cylinder head is too large, and the lubricating oil lubricating the cylinder organization is sucked into the cylinder.

(4) Piston rings, pistons and cylinder liner are damaged and the gap is too large, causing lubricating oil to be added to the cylinder.

(5) When there is too much lubricating oil in the oil pan, the lubricating oil will be added to the cylinder.

(6) The piston ring is cemented on the groove body of the piston ring by carbon deposits or the elasticity of the piston ring is insufficient, the opening of the ring is not separated, the upper and lower directions of the gas ring are reversed, etc.

(7) The new diesel engine or the overhauled diesel engine has not passed the complete running-in period, resulting in poor cylinder tightness.

(8) The inner coupler of the fuel injector is stuck.

Jiangsu Starlight Electricity Equipments Co.,Ltd. is one of the earliest manufacturers of generators and diesel generator sets in China. The company relies on high-quality products and good services. It has been widely recognized by users in many fields. At present, it can provide various specifications of diesel generator sets in the power range of 15KW-2500KW. For more details, please contact us with sales@dieselgeneratortech.com

Are you famililar with wind power generator and diesel generator?

There are many kinds of generator, for example, the most common generator is diesel generator, wind power generator, gasoline generator etc. Every kind of generator has its characteristic, we can know which is better by learning about them and comparing them. In this article, we mainly talk about wind power generator and diesel generator.

1.Wind power generator

Working principle:

Wind power generator is a electrical equipment which converting wind energy into mechanical work, the mechanical power drives the rotor to rotate, in finally, outputs alternating current. In generally, wind-driven generator set are composed of wind turbines, generators (including devices), directional regulators (tail wings), towers, speed-limiting safety mechanisms and energy storage devices.

The wind wheel rotates under the action of wind force, it converts the kinetic energy of the wind into the mechanical energy of the wind wheel axle, generator generate electricity driven by rotor shaft rotating. It can be divided into steam turbine, gas turnine and hydroturbine. Widely used as power engines for power generations, aviation, navigation, etc. Actually, the wind turbocharger is an air compressor, which increases the air intake through compressed air. It uses inertial impulse to increase engine output power.

Advantages :

A.Reducing environmental pollution and saving conventional energy such as coal and petroleum;

B.Clean, good environmental benefits, no harmful gases and waste are emitted;

C.Renewable, never exhausted;

D.Short construction period and flexible installation scale;

Disadvantages :

A.Ecologically, disturb birds. For example, grouse in Kansas, USA, disappeared after the windmill appeared;

B.Noise and visual pollution; Wind generators are generally relatively big and heavy;

C.It occupies a large area of land;

D.Unstable and difficult to control. In many places, winds are intermittent, if the winds are small, produced power electricity will be small, so that it maybe influence people to use electricity;

E.Not portable. If electricity supply is short, it can not be use as standby or emergency unit.

2.Diesel generator

Working principle:

In the air cylinder of diesel generator, The clean air filtered by the air filter is fully mixed with the high-pressure silent diesel fuel injected by the injector. Under the pressure of the piston upward, the volume of the diesel fuel decreases and the temperature rises rapidly, reaching the ignition point of the diesel fuel. Diesel fuel is ignited, mixed air burns rapidly and volume expands rapidly, which pushes forward plunger down, this called “ work”. Every air cylinder works in a sorted order, the thrust acting on the plunger passes through the connecting rod and becomes the force driving the crankshaft to rotate, thus driving the crankshaft to rotate. When the brushless generator is coaxially installed with the crankshaft of the diesel engine, the rotation of the diesel engine can be used to drive the rotor of the generator, using the principle of “electromagnetic induction”, the generator will emit the induced electromotive force, and the current can be generated through the closed load loop.

Advantages:

A.Fuel economy and high thermal efficiency;

B.Reliable and durable, can be used as prime, standby or emergency unit;

C.Wide range of applications. It is widely use for home, office, industry etc. Especially in some remote and power shortage places;

D.High thermal efficiency and low fuel consumption;

E.Compact structure and flexible installation location of supporting equipment.

Disadvantages:

A.The noise produced during the work is relatively large and the vibration amplitude is also large (But now there is silent type generator set, will reduce noise relatively);

B.The structure is complex, and the processing precision of parts and components is required to be high;

C.High fuel requirements. And the cleanliness of fuel is strictly required. It is difficult to use solid fuel or inferior fuel inside the cylinder.

Thus it can be seen, they all can supply power electricity, this is the same between them. The difference is : wind-driven generator is utilization of renewable resources, and very clean. While wind-driven generator set is not more portable than diesel generator set, wind generator set needs impact of airflow to drive the impeller to rotate, so that can supply electricity, it is some limited, constrained by the environment, the cost of installation is higher for home use. Diesel generator set is use diesel fuel, diesel fuel is common seen, very convenient to buy, the cost also can be accepted by many people. Diesel generator set is limited in volume and easy to handle in daily use. In generally, we use forklift truck to handle. If some construction sites need to use diesel generators, this is also convenient to carry. Just find a car and pull it away directly. Wind generator set is bigger, after finishing installation, if we want to handle, it is more difficult.In the process of transfer, there will be a lot of constraints. In the mainland cities, this kind of wind generator set can not be used by everyone. So if between wind generator set and diesel generator set, it is more reasonable to choose diesel generator set.

Fuel Consumption of Cummins Generators

The fuel consumption of diesel generator sets is a major standard for measuring the performance of diesel generators, and it is also a factor that affects the cost of generator use. How can we effectively reduce the fuel consumption of Cummins generators? The following are the fuel-saving techniques analyzed by Starlight Power technicians for you.

1. Regularly check and maintain the Cummins generator. Carefully maintain and maintain, regularly check and adjust valve clearance, fuel injection pressure, fuel supply time, etc., and promptly eliminate scale and dirt on the cooling water jacket.

2. Remove carbon deposits in time. When the diesel generator is running, the relevant components generate high temperature during the combustion process, which causes the ash carbon polymer to adhere to the valve, valve seat, fuel injection nozzle, piston top, etc. If it is not cleaned in time, it will increase the fuel consumption and seriously affect the normal operation of the generator.

3. Regularly remove some minerals or impurities deposited at the bottom of the tank after use. If it is not cleaned regularly, it will affect the normal operation of the plunger and the fuel injection head, resulting in inaccurate fuel supply time, uneven fuel supply, poor fuel atomization, etc., resulting in an increase in fuel volume.

4. Increase the cooling water temperature of the diesel generator set. In this way, the overall temperature of the diesel generator set is high, and the combustion can be relatively complete and the viscosity of the oil can be reduced, which also reduces the operating resistance of the diesel generator set and achieves the effect of fuel saving.

5. Do not overload the work. Overload operation will turn a considerable part of diesel into black smoke and fail to exert its due performance, increasing fuel consumption and shortening the service life of related parts.

6. Ensure that the diesel generator set does not leak oil. Check the diesel generator set once a day.

Jiangsu Starlight Electricity Equipments Co.,Ltd. is a manufacturer of professional generators, diesel generator sets, Cummins generator sets, Volvo generator sets, etc. The company has advanced testing equipment, excellent production technology, professional manufacturing technology, perfect quality management system, and Strong R&D technical strength. It can provide 15KW-2500KW various specifications of universal, automatic, four protection, automatic switching, low noise and mobile, etc., high-quality, low-energy generating sets to meet customer power needs, and can also meet users’ different voltages and different frequencies, as well as the power supply system of multiple units connected in parallel, welcome customers to inquire. For more details, please contact us with sales@dieselgeneratortech.com.

Ways to Prevent Premature Diesel Deterioration of Volvo Generator

As for how to improve the safety of Volvo generator sets and prevent the premature deterioration of diesel oil, it is necessary to know that the deterioration of diesel oil during storage and transportation is mainly oxidative deterioration. Its ability to resist deterioration is called the storage stability of diesel oil. Diesel oil with good storage stability can better keep its color from becoming darker during storage and transportation. The actual colloid changes little, and basically no sediment is generated. Therefore, it is suitable for long-term storage. Generally speaking, straight-run diesel has better storage stability and is not easy to deteriorate during storage, while catalytic diesel has poor storage stability and is easy to deteriorate during storage.

Prevent diesel hydrolysis: In order to reduce the risk in the short term, you can fill up the fuel tank, which will make the fuel tank full and reduce the risk of hydrolysis. In addition, if it rains, you should check your diesel tank as soon as possible after the rain, to make sure water doesn’t build up on it, or the tank doesn’t get rusted.

In the long run, you should check the fuel tank at least once a week to ensure that there is no moisture in the tank to ensure that the life of the diesel is as long as possible. Also, you should make sure the tank is thoroughly emptied and cleaned at least every ten years to help the fuel and tank last longer.

Microbial growth affects diesel quality: As mentioned above, diesel can lead to increased microbial growth if water seeps into the diesel. The acids produced by these microorganisms can break down diesel fuel, clog fuel tank filters that restrict the flow of diesel fuel, and corrode fuel tanks and generator engine blocks.

Prevent the growth of microorganisms in diesel fuel: In fact, the method is very simple. First, prevent water vapor from entering the fuel tank, causing the diesel oil to decompose. Second, you can add bactericides to the diesel oil, which can prevent the reproduction and spread of microorganisms to a certain extent, and kill them. Any existing microorganisms, therefore, it is very important to add biocides to diesel.

Preventing diesel oxidation: Another major factor that affects diesel quality is oxidation, as diesel reacts with oxygen as it leaves the refinery and over time degrades the diesel, shortening its useful life. Also, it corrodes diesel fuel and causes deposits to clog filters, and if oxidized diesel is used, it can damage Volvo genset engines, resulting in higher maintenance costs.

How to prevent diesel oxidation? We all know that with current technology, diesel oxidation cannot be completely prevented, but its impact can be reduced. First, you need to keep the temperature of the diesel fuel tank between 6°C-21°C. And avoid direct sunlight, if possible, store it underground, so that the diesel can always be kept cool. Additionally, you can add a fuel stabilization treatment to the diesel to prevent the diesel from breaking down easily.

Deteriorated diesel is easy to block the oil circuit, nozzles, valves, spark plugs and other places, making it difficult to supply oil, and even causing the Volvo generator set to fail to start normally. And it is more likely to cause carbon deposits when burning. In addition, deteriorating diesel will also cause power loss and uneven exhaust. During operation, if you find that the power of the generator set is abnormally insufficient and the exhaust gas is abnormal, you must check the diesel in time.

Generally speaking, the service life of domestic diesel is usually between 6 and 12 months, but diesel can be kept longer by some useful storage methods, and it is crucial to avoid microbial growth, oxidation and hydrolysis. The fuel tank needs to be inspected regularly and a treatment agent added to the fuel to prevent it from breaking down.

As a professional diesel generator manufacturer, we always insist on using first-class talents to build a first-class enterprise, create first-class products, create first-class services, and strive to build a first-class domestic enterprise. If you would like to get more information welcome to contact us via sales@dieselgeneratortech.com.

Starlight Power Successfully Signed A 500KW Generator Set

Recently, Starlight Power and Nanning Guoliang Real Estate Development Co., Ltd. successfully signed a 500KW Shangchai diesel generator set. In addition, Starlight Power is also responsible for the installation of environmental protection and noise reduction in the computer room. It is understood that this is the fourth cooperation between Guoliang Real Estate and Starlight Power. Since 2015, a total of five 400KW-800KW diesel generator sets have been purchased from Starlight Power.

Nanning Guoliang Real Estate Development Co., Ltd. is affiliated to Nanning Branch of Shanghai Agricultural and Industrial Real Estate (Group), with a registered capital of 1.12 billion yuan and total assets of 14.1 billion yuan. A large domestic state-owned real estate enterprise integrating design, commerce and construction. The Houdeli project of this cooperation is the finale part of the Guangming Lanwan Jiuli project developed by Guoliang Real Estate. It is currently the only community in Nanning that adopts the “Wright” style design. This style emphasizes maintaining the original quality of materials and making the building more integrated Natural, living in it can feel the charm of being close to nature. Thank you for choosing Starlight Power as the supplier for the purchase of diesel generator sets of Guoliang Real Estate.

Founded in 1974, Jiangsu Starlight Electricity Equipments Co.,Ltd. is a professional manufacturer of generators and diesel generator sets. It is one of the earliest manufacturers of generators and diesel generator sets in China. The company has first-class inspection equipment, advanced production technology, professional manufacturing technology, to provide you with 3KW-2500KW various specifications of popular, automatic, four protection, automatic switching, low noise and mobile, etc., high quality, low energy consumption. The generator sets can meet all the power needs of customers, and can also meet the requirements of users with different voltages and frequencies, as well as multiple parallel-connected grid-connected power supply systems. For more details, please feel free to visit our website https://www.dieselgeneratortech.com/ or send email to sales@dieselgeneratortech.com.

Maintenance Requirements for Diesel Generator Bearings

The rotors of diesel generators generally use rolling bearings, which are lubricated with grease. Usually, the universal diesel generator uses ZGN-3 calcium-based grease, and the moist heat type diesel generator uses ZL-3 lithium-based bearing grease. Under normal circumstances, when the diesel generator runs continuously for about 1500h, the grease should be replaced to ensure the normal operation of the diesel generator.

The working quality of the bearing directly affects the operation reliability of the diesel generator, so we should pay attention to maintenance.

The intact bearing is measured with a thickness gauge under field conditions. The matching clearance between the inner and outer circles of the bearing and the ball (column) is appropriate, and no shaking can be detected. The appearance of each part is good: no damage, no corrosion, no cracks, good roundness and surface roughness of the rolling contact surface, when holding the inner ring to dial the outer ring, the rotation is flexible and brisk, and the sound is uniform and no noise.

The maintenance requirements for diesel generator bearings are regular cleaning, inspection and greasing.

The cleaning method is: First take out the old grease with bamboo (wood) pieces, and wash the bearing with a brush dipped in gasoline or kerosene. Under field conditions, it can be cleaned without removing it from the shaft. If you take it off for cleaning, you can put it in a warm machine sleeve or diesel for brushing after taking out the old grease. After brushing clean, rinse the bearing once with an appropriate amount of kerosene, and then add new grease.

Adding lubricating grease must require the specified grade and quantity (generally, the amount of grease added accounts for 1/2 to 2/3 of the inner volume of the bearing). Not too much, not too little. Too much the lubricating grease will cause poor heat dissipation of the bearing, and the temperature will rise. If the lubricating grease is too little, the lubrication cannot be guaranteed, and the wear will increase.

In addition, in the maintenance of diesel generator bearings, it should be noted that the bearing “puller” should be used to remove the bearing, and it should not be knocked hard with a hammer. The inner and outer covers of the motor bearing should be kept intact, the oil seal felt ring is intact, and the screws are complete and tightened. If the felt ring is damaged, it should be made and replaced with industrial felt, and cannot be replaced with soft civilian felt. Dirty, hardened (deteriorated) greases or greases with impurities such as sand or iron filings should not be used.

Starlight Power has advanced testing equipment, modern production technology, professional manufacturing technology, perfect quality management system, and strong technical research and development capabilities. It can provide 3KW～2500KW various specifications of ordinary, automatic, four protection, automatic switching, low noise and mobile generator sets, high quality and low energy consumption to meet the diverse power needs of customers, and can also meet users with different voltages and different frequencies. It is required to create a parallel power supply system for multiple units. If you are interested in our product or any question on generator, welcome to send email to sales@dieselgeneratortech.com.

Starlight Power Sold 550KW Yuchai Diesel Genset

On June 6, 2021, Starlight Power and Beihai Yindu Urbanization Construction Co., Ltd. successfully signed a 550KW Yuchai diesel generator set, which is used for the emergency backup power supply of the 4 plot of the Dadu Jincheng project. In addition, Starlight Power is also responsible for the environmental protection and noise reduction project of the generator room.

It is understood that Beihai Yindu Urbanization Construction Co., Ltd. is a subsidiary of Guangxi Dadu Investment Co., Ltd., and Guangxi Dadu Investment is a diversified investment enterprise focused on real estate development by Guangxi Construction Engineering Group. The Dadu Jincheng project in this cooperation is the second project of Guangxi Construction Engineering and Dadu Investment in Beihai, a new regional benchmark real estate. The project is located at No. 66 Yintan Avenue, Yinhai District, Beihai City, adjacent to Fengjiajiang Wetland Park and mangroves, and 8 minutes away from Beihai Yintan. The project covers a total area of 660 acres, with a total construction area of 1.5 million square meters. It has 67,000 square meters of modern marine-style enclosed gardens, nearly 1,000 meters of green intelligent walking track, 400-meter central axis landscape, sunshine swimming pool, children’s paradise, cute pet paradise, basketball court, badminton court, health center, leisure gallery and other human facilities. Starlight Power is very honored to be the procurement supplier of diesel generator sets for Dadu Jincheng project. Thanks to Guangxi Construction Engineering Group, Dadu Investment and its subsidiary Beihai Yindu Urbanization Construction Company for their support to Starlight Power.

The 550KW Yuchai diesel generator set purchased by the user is powered by the YC6TD900-D31 high-power diesel engine produced by Yuchai, and is equipped with a starlight generator. The product has the advantages of compact structure, convenient operation, stable operation, low fuel consumption, and low noise. In addition, Starlight Power also provides one-stop services such as packaging and transportation of generator sets, installation, commissioning, training, after-sales on-site maintenance and so on. Looking forward to your inquiry, for more details, please contact us with sales@dieselgeneratortech.com.