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  • Apr
    23
    How to dry the damp generator set?
    Heavy humidity in the air or mistakes of staff may cause the generator set to be damp. The damp generator set will lead to a reduction in its insulation resistance performance, which poses certain safety hazards. How to dry the generator set is a problem that must be faced. Next, Haixing will introduce you to the specific methods for drying the generator set: Directly short the three-phase outlet of the generator set stator winding to ensure the connection is firm. Modify the maximum resistance position of the voltage regulator converter in the excitation circuit. If the resistance value is not large enough, another resistor should be connected to increase the resistance value. Then start the generator set, pay attention to slowly accelerating to the rated speed, and then slowly adjust the excitation current. The excitation current is determined based on the moisture condition of the generator set, but the short-circuit current of the stator winding shall not exceed the rated current. In addition, it is necessary to improve the ventilation conditions of the storage environment of the generator set and to be equipped with good ventilation equipment. If it is in the cold season
  • Apr
    18
    Haixing reveals the reasons for the thermal runaway of the motor unit for you
    The thermal runaway from the generator set may be a sign of problems inside the equipment. How should we judge the cause of the thermal runaway from the generator set and then confirm the faulty parts? To facilitate everyone's review, Haixing has compiled common reasons for thermal runaway from generator sets, as follows: 1. Exothermic reaction of oxygen composite reaction. The oxygen composite reaction of the oxygen produced by the positive electrode at the negative electrode is an exothermic reaction. If the heat emitted by the reaction cannot be released, the temperature of the battery will increase. 2. The battery structure is not conducive to heat dissipation. The structural features of valve-controlled sealed lead-acid batteries are sealed, lean electrolyte, and tightly assembled with ultra-fine glass fiber diaphragm, which are not conducive to heat dissipation. That is, this battery is not like a liquid-rich battery, which can dissipate heat in the battery through exhaust gas, a large amount of electrolyte and a non-close arrangement between the plates. 3. The ambient temperature is high. The higher the ambient temperature, the worse it is to dissipate heat from the battery, and the increase in temperature will cause the battery to float and charge.
  • Apr
    11
    Identify the problem of diesel generator sets through sound
    The sound is amazing! We can tell who this person is through the voice of someone. Machines are no exception, and every machine has its sound. It is a sound when it is normal, and it is another sound when it is abnormal. Through different sounds, we can understand whether the machine is normal. Diesel generator sets are good machines for generating electricity. Whether it is normal or not will directly affect our lives and the production of enterprises. According to what we introduced, we can tell whether the fault is and find the source of the fault by the sound it makes when it works. Below, Jiangsu Haixing introduces this advanced technology to you: 1. The sounds emitted by the engine are continuous and regular, such as continuous knocking sounds, which may cause the rotational component to fail. 2. The sounds made by the diesel engine are irregular and intermittent. This requires considering that some components of the generator are not installed firmly. 3. The sound is rotating when the engine is rotated
  • Apr
    10
    Three knowledge about starting a generator set battery
    As we all know, the good overall performance of the generator set is inseparable from the effective cooperation of various components. As one of the important components of the generator set, the battery plays an important role in the operation of the entire generator set. Below, Haixing will take you to learn how to correctly start the battery of the generator set. 1. The generator set battery is dry when it is just randomly delivered to the user. Therefore, before use, the electrolyte that has been well-proportioned should be injected. The specific operation method is: unscrew the top cover of the battery lattice and slowly inject the electrolyte until it is located between the two scale lines on the upper part of the metal sheet. After adding, do not use it immediately. You should let the battery stay for about 15 minutes. 2. When charging the battery for the first time, the charging time should not be more than 4 hours, otherwise the charging time will infringe on the battery's service life. However, in the following environments, the charging time is allowed to be appropriately extended: 1. The battery storage time is more than 3 months.
  • Apr
    03
    Do you know the calibration power of domestic generator sets?
    What is the calibration power of domestic generator sets? Many customers may not understand this concept. In fact, the maximum power allowed for diesel engines is limited by the mechanical load and thermal load of the parts. Therefore, it is necessary to stipulate that the maximum power allowed to operate continuously is called calibration power. According to national standards, the calibration power on the generator set nameplate is divided into the following four categories. Haixing will introduce it one by one here. 1) 15min power: that is, the maximum power that the generator set allows for 15min operation. Calibration power may be overloaded in a short period of time and requires acceleration performance, such as the calibration power of generator sets such as automobiles and motorcycles. 2) 1h power: that is, the maximum effective power that the generator set allows for continuous operation for 1h. Such as the calibration power of generator sets such as wheeled tractors, locomotives, ships, etc. 3) 12h power: the maximum effective function of the generator set allowing continuous operation for 12h
  • Mar
    25
    Generator lubricant oil management matters
    The operating status of the generator set is related to its quality, but it depends more on correct installation, standardized operation and daily maintenance. In order to keep the generator set in good operation and lubrication and maintenance, Haixing has compiled some lubricating and oil management matters, which will be introduced in detail below. (1) Bulk oil products 1 The containers for containers containing and storing lubricating oil must be clean; 2 Pay special attention to preventing moisture and impurities from being mixed during storage. 3 The storage period of bulk lubricating oil should not exceed six months. 4 The density of lubricating oil products is about 0.75~0.95g/cm, which is lighter than water and insoluble in water. The flash point (opening) of lubricating oil is generally higher than 150℃. It is a combustible item. Pay attention to preventing outflow from polluting the environment and ignition and combustion. 5. Indicate product name, brand, grade,
  • Mar
    20
    Three major factors restricting the development of domestic generator sets
    In the past decade, the development level of my country's generator set industry has been significantly improved, and the huge market demand has prompted the local enterprises to gain a foothold and develop in the domestic market. Haixing believes that after a decade of rapid development, the domestic generator set market also faces some development resistance, mainly reflected in the following three aspects: First, the growth rate of China's infrastructure investment and high-energy-consuming manufacturing industry has slowed down. The engineering projects under the 4 trillion yuan investment led by the government have been basically completed and put into operation. Some projects have not achieved good efficiency after completion, which has a resistance to the introduction of future economic stimulus policies. On the other hand, in order to reduce pollution emissions and improve industrial production energy efficiency, a large number of small and medium-sized manufacturing plants, especially enterprises in high-energy-consuming industries, face the possibility of being closed. These companies are important users of generator sets in China during the many power shortages. Secondly, the domestic market is fiercely competitive
  • Dec
    20
    A new generator set with small load will cause black smoke failure
    Many times, the new generator sets that people buy back do not operate according to the requirements of the sales staff or instructions. In the initial operation, the load is small, so black smoke failure occurs. Haixing learned that a hospital user was working on the machine when starting the machine. He had to run the machine with a load when starting the machine. However, the customer did not notice that the load must be brought to the generator set more than 50%. They only brought a 20KW lighting system, and the load only accounted for 6.7% of the total load of the generator set, which did not meet the specified requirements, so black smoke was emitted. Copyright by: www.hxdlkj.com In the initial stage of use, the new diesel engine should be loaded at 50%-80% and after 60 hours of running-in, then the new machine should be run-in period. Diesel engines should not be in long-term idle operation and low-load operation during the run-in period and normal working period after the run-in period.
  • Dec
    06
    Requirements for the use environment of generator sets
    The climate and environment have an impact on the use effect of generator sets, so many articles have introduced how to operate units in different climates. What if it is in a relatively closed room? What are the environmental requirements for indoor unit operation? Haixing believes that in relatively closed occasions, the following aspects should be paid attention to when placing the unit and surrounding environment: 1. The storage of diesel generator sets should be ensured that they are not hit by objects to avoid damage. In addition, it is recommended that users place the unit in the computer room and prevent flammable and explosive items from being placed around the diesel generator set, and prepare some fire protection measures, such as placing ABC-class fire extinguishers. Copyright by: www.hxdlkj.com 2. In order to prevent moisture from entering the surroundings of the alternator unit and minimize moisture condensation, so as not to reduce the insulation performance of the generator and even affect the
  • Nov
    23
    How to deal with dirt from the cooling system of the automotive generator set?
    Sometimes when people encounter overheating of the car engine, it is mostly caused by dirt in the cooling system. At this time, everyone needs to clean the cooling system. Haixing will briefly talk about the choice and specific treatment of detergents here. (1) Selection of cleaning agent types copyright by: www.hxdlkj.com When choosing cleaning agents, there are three principles for reference: ① For most precipitation and corrosion, it is better to use a slightly acidic cleaning agent. ② If the gel is not hard, you can use an alkaline or non-corrosive detergent to clean (the acidity is better, but the alkaline detergent can achieve the effect). ③ For oily impurities in the cooling system, acidic cleaning agents must be used to complete this task. Taking into account the above three principles, plus the dirt in China's domestic automobile cooling system is mainly precipitated, oily impurities and rust scale, so
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More than 20 years of experience in gas power generation engineering application. It has the ability to provide integrated operation services of technology, equipment, engineering design, construction, operation and services.

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