Diesel generator set refers to a power machine that uses diesel as fuel and a diesel engine as the prime mover to drive a generator to generate electricity. The diesel engine converts the heat energy released by the combustion of diesel into kinetic energy, and the generator converts the kinetic energy into electrical energy! However, some energy is lost during each conversion! The converted energy is always only a part of the total energy released by combustion, and its percentage is called the thermal efficiency of the diesel engine. In order to describe the thermal efficiency practically, diesel generator manufacturers mostly use the G/KW.H parameter, which means how many grams of oil a kilowatt consumes per hour. If you change this unit into liters, you can immediately know how many liters you have consumed. of fuel, so you can clearly understand how much you spend per hour; some manufacturers also directly tell L/H, which means how many liters of fuel are consumed per hour. Method for calculating fuel consumption: 1. Generally, a high-horsepower diesel engine with more than 100 horsepower consumes

Regarding whether the generator set is operating normally, Haixing Generator Set technicians remind you that you need to pay attention to several points at all times: 1. AC ammeter: whether the needle indication is normal, switch the current switch, and measure the phase current value between each phase sequence. , the difference between each phase sequence should not exceed 10%. 2. AC voltmeter: Is the voltage indicated by the meter needle normal? 3. Check whether the oil pressure indicated by the oil pressure gauge is within the normal range. 4. Charging meter: whether the pointer is in the (+) direction. 5. Whether the water temperature indicated by the water temperature meter is within the normal range of 65℃ ~ 93℃. 6. Tachometer: Whether the engine speed is appropriate. (60Hz is 1800 rpm) 7. Is there any abnormal sound or vibration in the generator engine?

Diesel generator set is a type of AC power supply equipment for self-contained power stations. It is a small independent power generation equipment that uses an internal combustion engine as power to drive a synchronous alternator to generate electricity. Modern diesel generator sets are composed of a diesel engine, a three-phase AC brushless synchronous generator, a control box (screen), a radiator tank, a coupling, a fuel tank, a muffler and a common base. The flywheel housing of the diesel engine and the front end cover of the generator are directly connected in the axial direction using shoulder positioning to form an integrated body. A cylindrical elastic coupling is used to directly drive the rotation of the generator from the flywheel. The connection method is fixed together by screws so that the two The two are connected into a steel body to ensure that the concentricity of the crankshaft of the diesel engine and the rotor of the generator is within the specified range. The diesel generator set is composed of an internal combustion engine and a synchronous generator. The maximum power of the internal combustion engine is limited by the mechanical load and thermal load of the components, which is called the rated power. The rated power of the AC synchronous generator

Haixing Generator often receives consultation information from customers on the selection of generator sets. Below, Haixing will give you some suggestions on the selection of generator sets, hoping to help you. In addition, the following also describes the precautions when using generators, water pumps, and power that many customers are concerned about. 1. Because the actual output power of generators, water pumps, and power will be affected by factors such as altitude, temperature, and environmental humidity. When the altitude, temperature, and ambient humidity increase, the power of the generator will decrease in different proportions. Please refer to the relevant information of the generator. Please take it into consideration when calculating the power of the generator, and then purchase to avoid it. Insufficient power is used. 2. For electrical appliances with the same power, due to different types of electrical appliances, the starting current is very different, and the demand for generator power is different. Therefore, when users purchase products, they should first calculate how many high-power generators can meet normal use. Tool

The generator set requires maintenance for long-term use or after being used for a long time. In order to maintain the performance of the generator set and keep the generator in good condition. The following is a case where a customer's generator failed due to long-term use. Some problems that arise during regular maintenance, as well as the maintenance process. There are mainly these steps for generator maintenance. The first and most important maintenance is to add engine oil through the oil filler port before starting the generator. When filling, the engine should be placed in a horizontal position and pay attention to changes in the generator oil level. Generators require the use of multi-grade viscosity engine oil, because multi-grade viscosity engine oil is suitable for a wider operating temperature range and the consumption rate is about 30% lower than single-grade viscosity engine oil. After adding oil, wait for a while before looking at the oil level on the generator oil dipstick. The correct value is the oil level you see after all the oil has flowed into the oil pan. Each oil filter should be filled with clean oil before it can be installed on the engine. Engine oil performance grade representative

Improper operation of diesel generators will seriously affect the service life of diesel generators. Now Haixing will work with everyone to understand what are the incorrect operation methods of diesel generators in daily life? Haixing believes that correcting the problems during the use of diesel generators in a timely manner Wrong operation can avoid accidents to a large extent, facilitate maintenance work, and extend the service life of the equipment. There are many benefits! 1: When the diesel engine is running when there is insufficient engine oil, insufficient oil supply will cause insufficient oil supply on the surfaces of each friction pair, resulting in abnormal wear or burns. For this reason, it is necessary to ensure sufficient engine oil before starting the diesel generator and during the operation of the diesel engine to prevent cylinder pulling and tile burning failures due to lack of oil. 2: Stop the diesel engine immediately after the load is suddenly stopped or the load is suddenly removed. After the generator stalls, the circulation of the cooling system water stops, the heat dissipation capacity is sharply reduced, and the heated parts lose cooling, which can easily cause the cylinder head, cylinder liner, cylinder block and other mechanical parts.

Solve common problems of small and medium-sized generators 1. If not used for a long time (more than three months), follow the following steps to store it A. Drain all the gasoline in the fuel tank and carburetor B. Drain all the oil in the crankcase C. Add new engine oil to the upper limit of the oil level on the oil dipstick D. Close the choke and pull the starter handle to where resistance is felt E. Wipe the unit clean and cover it with a carton or plastic cover to prevent dust————————————————————————2. Why does the machine stop automatically when there is insufficient oil? When the engine oil is insufficient, the oil warning switch inside the engine will ground the primary coil of the ignition coil, causing the ignition coil to fail to ignite and the engine to stall. How to check whether the oil level is standard: Place the engine in a horizontal position, unscrew the oil dipstick, clean and dry it, then insert it into the oil inlet (no need to rotate), then pull it out, and check that the oil level is above the middle of the dipstick. －－－－－－－－－－－－－－－

How to use diesel generator sets correctly and safely in enterprises and companies is a question that many customers have. Here, Haixing Generator Group gives you some suggestions: 1. Diesel generator sets must be staffed by personnel who are familiar with the unit structure and master the safe operating procedures. operate. New or newly overhauled diesel units must undergo 60 hours of running-in operation and be well maintained as required. 2. New or long-term unused generators must undergo strict inspection before being put into normal operation, mainly checking the winding insulation condition, wiring condition, etc. If there are any discrepancies, they will be dealt with. 3. After the diesel engine is started, the speed should be slowly increased. After checking and confirming that everything is in good condition, the diesel engine can be operated without load from low speed to rated speed. When running without load, focus on checking the engine oil pressure, whether there are any abnormal noises, changes in excitation current, three-phase voltage, etc. If there are any abnormalities in 4. Stop the machine immediately for inspection. After finding out the situation, start again. If everything is normal, that is

Analyze 'abnormal noises' in diesel engines and engine cylinders, which can be summarized as piston knocking sounds, piston pin knocking sounds, piston top hitting the cylinder head, piston top hitting sounds, piston ring knocking sounds, and valve knocking sounds. and cylinder knocking sounds, etc. Then Haixing Generator Company will analyze the true nature of these 'abnormal noises' for everyone. 1. The impact sound of the piston top and the cylinder head. The abnormal sound of the piston top hitting the cylinder head is a continuous metal knocking sound, which is especially obvious at high speeds. The source of the abnormal sound is in the upper part of the cylinder, the sound is solid and powerful, and the cylinder head vibrates. The main reasons are as follows. (1) The crankshaft bearing, connecting rod bearing and piston pin hole are severely worn, and the matching clearance seriously exceeds the standard. At the moment when the piston stroke changes, the top of the piston hits the cylinder head under the action of inertial force. (2) Due to the mistaken installation of other pistons of similar specifications when replacing the piston, or fake products, the distance from the center line of the piston pin hole to the top surface of the piston is greater than the original piston, causing the piston to become damaged.

Many users do not know much about the reasons for 'cylinder pulling' or 'cylinder biting' of diesel generator sets. Today, technicians from Haixing Generator Set Manufacturer are here to popularize the technical knowledge of cylinder pulling of diesel generator sets to Guangfa users: 1. What is 'pull cylinder'? 'Pull the cylinder' is also called 'biting the cylinder'. It is stripe-like, colored damage that appears on the surface of the cylinder and piston rings along the direction of piston movement. Many customers of Haixing are very troubled by the phenomenon of cylinder pulling in diesel generator sets. When cylinder pulling occurs, the wear of the cylinder liner is very severe, which can reach dozens or even hundreds of times of normal wear. After a cylinder pull occurs, the external characteristics of the diesel engine pull steel are that the sound changes and black smoke is emitted from the exhaust. The consequences are that the working surfaces of the piston, piston ring and cylinder liner are damaged, the gas seal fails, the consumption of engine oil and the amount of blow-by gas increase rapidly, making the engine unable to operate normally, and even in a short period of time, due to the failure of the piston, piston ring and cylinder The set bites to death and stops