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　　I. General Maintenance of Ship-borne Generator

　　Keep clean:

　　Always clean the dust and dirt near the generator to avoid the accumulation of water, oil and corrosive gases, so as to avoid damaging the insulation of the generator winding.

　　Clean the ventilation duct and keep it unobstructed to ensure the normal ventilation and cooling of the generator. The temperature of cooling air shall not be too low to prevent condensation of water droplets on windings and other conductive devices.

　　Corrosion and rust prevention:

　　Check whether the paint on the surface of the generator falls off. If there is rust, remove rust in time and apply antirust paint.

　　For parts such as slip rings, the surface should be kept smooth and cleaned and inspected regularly.

　　Second, the ship-borne generator regular inspection and maintenance

　　Pre-startup inspection:

　　Before the ship-borne generator is put into operation, it should be carefully checked whether there are sundries in it to prevent foreign objects such as screws, tools and rags from falling into it.

　　Use dry compressed air to remove dust from all parts of the generator.

　　Check the lubrication of generator bearings to ensure that the quality and quantity of lubricating oil or grease meet the maintenance requirements.

　　Check the connection between the generator and its prime mover to ensure that their axes are in the same straight line.

　　Check whether the rotor is flexible and the bearing quality.

　　Measure the insulation resistance of stator and rotor lines to ensure that it is not lower than the specified value.

　　In-service monitoring:

　　Monitor the temperature rise, voltage, power factor, grid frequency and other parameters of the ship-borne generator to ensure its operation within the normal range.

　　Regularly check the rotation of the rotor, the working conditions of the slip ring and the carbon brush, and whether there are any abnormal phenomena such as sparks.

　　III. Dismantling and Drying of Ship-borne Generator

　　Precautions for disassembly:

　　When disassembling and assembling the ship-borne generator, care should be taken not to damage the components, especially the stator coil and rotor protruding out of the frame.

　　When the rotor is taken out, cardboard should be placed between the stator and rotor of the motor to prevent damage to the core and winding.

　　When binding the rotor with steel cables, it should be ensured that the steel cables do not touch the rotor journal, slip ring, transfer lead and other parts.

　　Drying treatment:

　　For newly installed or long-term disabled generators, they should be dried before operation.

　　If the generator is damp, it can be dried by hot air method, short-circuit current drying method or on-load drying method.

　　During the drying process, the temperature and insulation resistance should be measured regularly to ensure the drying effect.

　　Four, ship-borne generator lubrication and replacement

　　Bearing lubrication:

　　For sliding bearings lubricated by oil ring, the oil quantity should be kept moderate to avoid oil injection during operation.

　　For motors with ball bearings or roller bearings, the grease should be changed regularly.

　　Parts replacement:

　　Check the parts of the generator set regularly, such as belts and filter elements, and replace them in time if they are worn.

　　Check and replace lubricating oil and coolant regularly to keep the unit in good condition.

　　V. Performance Test and Record of Ship-borne Generator

　　Performance test:

　　Regularly test the performance of the ship-borne generator, including whether the output voltage, frequency and other parameters meet the standards.

　　Find potential problems in time and deal with them through performance testing.

　　Record maintenance information:

　　Record the time, content, replaced parts and problems found in each maintenance.

　　Establish a complete maintenance file for subsequent analysis and improvement.

　　To sum up, the daily maintenance management of ship-borne generators involves many aspects, including general maintenance, regular inspection and maintenance, disassembly and drying, lubrication and replacement, and performance testing and recording. The implementation of these maintenance and management measures can improve the stability of the generator and prolong its service time, and provide a strong guarantee for the normal operation of the ship.

　　The daily maintenance and management of ship-borne generator is the key to ensure its stable operation and prolong its service time. The following are some key maintenance management issues:The above conclusions show that Gasoline vehicle generator To a great extent, it can bring new vitality to the market and make the industry develop well. https://usrpower.com/product-category/vehicle-generators/gasoline-vehicle-generator-car-generators/

　　I. General Maintenance of Ship-borne Generator

　　Keep clean:

　　Always clean the dust and dirt near the generator to avoid the accumulation of water, oil and corrosive gases, so as to avoid damaging the insulation of the generator winding.

　　Clean the ventilation duct and keep it unobstructed to ensure the normal ventilation and cooling of the generator. The temperature of cooling air shall not be too low to prevent condensation of water droplets on windings and other conductive devices.

　　Corrosion and rust prevention:

　　Check whether the paint on the surface of the generator falls off. If there is rust, remove rust in time and apply antirust paint.

　　For parts such as slip rings, the surface should be kept smooth and cleaned and inspected regularly.

　　Second, the ship-borne generator regular inspection and maintenance

　　Pre-startup inspection:

　　Before the ship-borne generator is put into operation, it should be carefully checked whether there are sundries in it to prevent foreign objects such as screws, tools and rags from falling into it.

　　Use dry compressed air to remove dust from all parts of the generator.

　　Check the lubrication of generator bearings to ensure that the quality and quantity of lubricating oil or grease meet the maintenance requirements.

　　Check the connection between the generator and its prime mover to ensure that their axes are in the same straight line.

　　Check whether the rotor is flexible and the bearing quality.

　　Measure the insulation resistance of stator and rotor lines to ensure that it is not lower than the specified value.

　　In-service monitoring:

　　Monitor the temperature rise, voltage, power factor, grid frequency and other parameters of the ship-borne generator to ensure its operation within the normal range.

　　Regularly check the rotation of the rotor, the working conditions of the slip ring and the carbon brush, and whether there are any abnormal phenomena such as sparks.

　　III. Dismantling and Drying of Ship-borne Generator

　　Precautions for disassembly:

　　When disassembling and assembling the ship-borne generator, care should be taken not to damage the components, especially the stator coil and rotor protruding out of the frame.

　　When the rotor is taken out, cardboard should be placed between the stator and rotor of the motor to prevent damage to the core and winding.

　　When binding the rotor with steel cables, it should be ensured that the steel cables do not touch the rotor journal, slip ring, transfer lead and other parts.

　　Drying treatment:

　　For newly installed or long-term disabled generators, they should be dried before operation.

　　If the generator is damp, it can be dried by hot air method, short-circuit current drying method or on-load drying method.

　　During the drying process, the temperature and insulation resistance should be measured regularly to ensure the drying effect.

　　Four, ship-borne generator lubrication and replacement

　　Bearing lubrication:

　　For sliding bearings lubricated by oil ring, the oil quantity should be kept moderate to avoid oil injection during operation.

　　For motors with ball bearings or roller bearings, the grease should be changed regularly.

　　Parts replacement:

　　Check the parts of the generator set regularly, such as belts and filter elements, and replace them in time if they are worn.

　　Check and replace lubricating oil and coolant regularly to keep the unit in good condition.

　　V. Performance Test and Record of Ship-borne Generator

　　Performance test:

　　Regularly test the performance of the ship-borne generator, including whether the output voltage, frequency and other parameters meet the standards.

　　Find potential problems in time and deal with them through performance testing.

　　Record maintenance information:

　　Record the time, content, replaced parts and problems found in each maintenance.

　　Establish a complete maintenance file for subsequent analysis and improvement.

　　To sum up, the daily maintenance management of ship-borne generators involves many aspects, including general maintenance, regular inspection and maintenance, disassembly and drying, lubrication and replacement, and performance testing and recording. The implementation of these maintenance and management measures can improve the stability of the generator and prolong its service time, and provide a strong guarantee for the normal operation of the ship.

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According to a report by the Tass news agency on March 11, Budanov, Director of the Intelligence Directorate of the Ministry of Defense of Ukraine, said that Ukraine is preparing to take major actions in Crimea.

According to reports, the Information Service of the Intelligence Directorate of the Ukrainian Ministry of Defense quoted Budanov as saying on the Telegraph social platform: Our operations in the Black Sea are preparations for a major operation in Crimea.

The General Intelligence Directorate of the Ukrainian Ministry of Defense stated that all Ukrainian military operations in the Black Sea region from 2022 to 2023 are linked by the same strategic consideration, and the Ukrainian military’s attempt to attack the left bank of the Dnieper River in Kherson Oblast is also for the same purpose.

According to reports, the Ukraine television channel recently broadcast a film about the successful operations of the Ukraine armed forces and military intelligence in the region.

The report pointed out that Uzbekistan’s claim that it will take certain actions is due to the serious delay in aid by its allies. The U.S. Congress has been unable to approve spending to support Kiev for months, and supplies provided by EU countries cannot meet all the needs of the Ukraine military.

The report believes that for the Ukrainian army, the situation became more complicated after the fall of Afdeevka. If Washington does not provide new aid to Kiev, the Ukrainian army will soon face a new disaster. Uzbekistan is trying to attract the attention of Western allies with isolated and decentralized actions that some media exaggerate to shape opportunities that Kiev does not actually have. (Compiled by Wei Lianglei)

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According to a report by India’s Politico on March 15, the Bombay Stock Exchange Sensitive Index (SENSEX) and N Index fell for the first time in a single week after rising for four weeks. Both indices fell about 2% this week, the biggest weekly decline in 20 weeks.

The SENSEX index fell 062% on the day to close at 7264343 points. The N50 index of the National Stock Exchange of India (NSE) fell 0.56% to close at 2202335 points.

The Bombay Stock Exchange (BSE) mid-cap index also closed down 0.51%. However, the BSE Small Cap Index bucked the trend and closed up 0.25%.

On the weekly chart, the benchmark SENSEX index fell 22% for the week and the N index fell 21%. This is the largest weekly decline since October 2023. The BSE mid-cap and small-cap indices fell about 4% and 6% respectively this week.

From an industry perspective, the N-Metal Index and FMCG Index closed flat, while all other industry indices closed down.

The biggest declines were in the oil and gas industry and the automobile industry, with declines of 198% and 157% respectively. The N Bank index fell 0.42%.

As some funds release stress test results, they are confident that their portfolios can cope with volatile market conditions.

In global stock markets, the weakness is believed to be driven by discouraging U.S. economic data and weakening expectations of a Federal Reserve interest rate cut.

Some reports showed that the U.S. industrial producer price index (PPI) exceeded expectations in February. At the same time, the number of people applying for and receiving unemployment benefits was lower than expected. These factors weaken the Fed’s case for interest rates.

Market participants will be closely watching the Fed’s monetary policy stance next week. Most expect the Fed to keep interest rates unchanged and start cutting rates from the end of June or July. (Compiled by Zhu Jie)

　　The daily maintenance of trailer generator is very important for its long-term stable operation. The following are some key maintenance considerations:In the eyes of industry experts, Gasoline vehicle generator Indeed, it has great development potential, which makes many investors more interested. https://usrpower.com/product-category/vehicle-generators/gasoline-vehicle-generator-car-generators/

　　A, trailer generator regular inspection and cleaning.

　　Visual inspection:

　　Check the external surface of the generator set regularly to ensure that there is no crack, damage or corrosion.

　　Clean the generator shell, remove dust and dirt, and maintain its good heat dissipation performance.

　　Fuel system check:

　　Check the fuel level in the fuel tank to ensure sufficient fuel.

　　Check the fuel filter and replace it regularly to keep the fuel clean.

　　Oil and lubrication system:

　　Check the oil level and quality of the oil to ensure that the oil meets the specified standards.

　　Replace the oil filter regularly to keep the oil clean.

　　Check the lubrication system to ensure that all lubrication points are fully lubricated.

　　Second, the trailer generator electrical system maintenance

　　Battery maintenance:

　　Check the battery charge regularly to ensure it is sufficient.

　　When the electrolyte is insufficient, it should be replenished in time, and the tightness of the liquid injection port should be checked.

　　Clean the outside of the battery, especially the pole head and panel, to prevent leakage.

　　Wires and connections:

　　Check whether the wire connection is firm to prevent the failure caused by looseness or damage.

　　Check the insulation of wires regularly to ensure that there is no damage or aging.

　　Three, trailer generator engine and transmission system

　　Engine inspection:

　　Check the operation of the engine to ensure that there is no abnormal noise or vibration.

　　Check the cooling system of the engine to ensure that the coolant is sufficient and clean.

　　Transmission system:

　　Check the tension of fan belt and charger belt to ensure their normal operation.

　　Check the wear and tear of transmission parts regularly, and replace the seriously worn parts in time.

　　Four, trailer generator other maintenance matters needing attention

　　Storage environment:

　　When not in use, the generator should be stored in a dry and ventilated place to avoid moisture and corrosion.

　　When it is not used for a long time, it is recommended to drain the fuel completely to prevent the fuel from deteriorating.

　　Emergency power generation test:

　　Conduct emergency power generation tests on a regular basis to check the response ability and operation status of the generator set in an emergency.

　　Records and reports:

　　After each maintenance, the contents and results of maintenance shall be recorded.

　　Regularly check the maintenance records, analyze the running status of the generator set, find problems in time and deal with them.

　　To sum up, the daily maintenance of trailer generator involves many aspects, including regular inspection and cleaning, electrical system maintenance, engine and transmission system inspection and other maintenance precautions. Only by comprehensively considering and implementing these maintenance measures can we ensure the long-term stable operation of trailer-type generators and provide reliable power supply for various occasions.

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Geneva, March 14: Ambassador Chen Xu, Permanent Representative of China to the United Nations Office at Geneva and other international organizations in Switzerland, delivered a joint speech on behalf of 80 countries at the 55th session of the United Nations Human Rights Council on the 14th on artificial intelligence to promote children’s rights.

Joint speeches pointed out that artificial intelligence is the name of a new field of human development, and should adhere to the concept of extensive consultation, joint contribution and sharing, and work together to promote artificial intelligence governance. Children are the future and hope of mankind. The new generation of children has become one of the main groups using artificial intelligence technology and enjoying artificial intelligence.

Joint speakers emphasized that children’s mental health issues are crucial. The joint speech called for promoting the high-quality development of artificial intelligence, helping to promote children’s mental health, and protecting children’s rights.

They spoke together and put forward three propositions. The first is to adhere to child-oriented principles, uphold artificial intelligence for children, and give full play to the important role of artificial intelligence in guiding children’s mental health. The second is to adhere to fairness and universal benefits, strengthen exchanges and cooperation, provide technical support, share experiences and good practices to developing countries, and bridge the smart divide. The third is to adhere to harmony without difference, respect the sovereignty, laws, national conditions and historical, religious and cultural backgrounds of each country, and strengthen international artificial intelligence governance on this premise.

This is one of a series of speeches initiated by China at the Human Rights Council on artificial intelligence to promote the rights of specific groups, and has received widespread support and praise from Member States of the United Nations. China once launched a joint speech on artificial intelligence to promote the rights of people with disabilities at the 53rd session of the Human Rights Council.

　　The main factors affecting the price of marine diesel generators include the following aspects. I hope the following introduction can bring reference to users.After screening and investigation marine generator It is likely to become a new force driving economic development. https://usrpower.com/product-category/marine-generators/pmg-yacht-generator/

　　First, the brand affects the price of marine diesel generators

　　Brand is one of the key factors affecting the price of marine diesel generators. By virtue of its technology, manufacturing process and good market reputation, brand-name generator sets have good quality and stable performance, so the price is relatively high. On the contrary, some minority brands may have lower prices, but there may be a certain gap in quality and performance.

　　Second, the power affects the price of marine diesel generators

　　Power is another important factor that determines the price of marine diesel generators. Under the same brand and specification, the higher the power, the higher the manufacturing cost and technical requirements, so the higher the price. At the same time, different power units are suitable for ships of different sizes and different electricity demand, so choosing the appropriate power is also the key to control the cost.

　　Third, the configuration affects the price of marine diesel generators

　　The configuration of marine diesel generator will also affect its price. In addition to the standard configuration, there are some optional accessories, such as sound insulation box, rain shelter, mobile trailer, automatic control system and so on. The increase of these configurations will improve the performance and experience of the unit, but it will also increase the cost accordingly. Therefore, when choosing the configuration, we need to make a trade-off according to the actual needs.

　　Fourth, raw material prices

　　The price of raw materials is also one of the important factors that affect the cost of marine diesel generators. The price fluctuation of raw materials such as steel and copper will directly affect the manufacturing cost of generator sets, and then affect their market prices. Therefore, it is necessary to pay attention to the dynamics of the raw material market and its impact on the price when purchasing.

　　V. Seasonal demand

　　Seasonal demand will also affect the price of marine diesel generators. In the peak demand season, due to tight market supply, prices may rise; In the off-season, due to fierce market competition, prices may fall. Therefore, it is necessary to pay attention to the changes in market demand and its impact on prices when purchasing.

　　To sum up, the price of marine diesel generators is influenced by many factors such as brand, power, configuration, raw material price and seasonal demand. When purchasing, we need to weigh and choose according to the actual demand in order to find a product with high cost performance.

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Milwaukee, USA, July 17 (Reporter Xiong Maoling) The White House issued a statement on the 17th saying that US President Biden tested positive for the new coronavirus that day and had mild symptoms.

The statement said Biden was tested for the new coronavirus after attending an event in Las Vegas earlier on the 17th and the result was positive. Biden, who has previously been vaccinated and given booster shots, will self-quarantine at his home in Delaware and continue to perform his duties.

White House doctors revealed that Biden developed upper respiratory symptoms that afternoon, including a runny nose, dry cough and physical discomfort. The symptoms are currently mild. His breathing rate, body temperature and blood oxygen are normal, and he is now receiving medication.

Biden was diagnosed with the new coronavirus in July 2022.

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　　First, the brand and configuration of marine generator set manufacturers

　　Brand selection: choose brands with good reputation, which usually have more mature technology and better after-sales service system.

　　Configuration requirements: according to the power demand of the ship, select the appropriate generator set configuration, including power, voltage, current and other parameters, to ensure that the generator set can meet the normal operation and emergency needs of the ship.

　　Second, the quality and performance of marine generator set manufacturers’ products

　　Quality inspection: check the shell, internal components and wiring of the generator set to ensure that there are no obvious defects and damage. At the same time, we should pay attention to the production technology and material selection of the generator set to ensure its sufficient durability and reliability.

　　Performance test: Before purchasing, the manufacturer can be required to provide the performance test report of the generator set or conduct on-site test to verify whether its performance meets the requirements. Special attention should be paid to the starting performance, operation stability and load capacity of generator sets.

　　Third, after-sales service of marine generator set manufacturers

　　Service network: Understand whether the after-sales service network of marine generator set manufacturers is perfect, including the distribution of after-sales service points, the number and quality of service personnel, etc. Ensure that professional maintenance and support can be obtained in time when the generator set fails.

　　Warranty policy: Ask about the warranty policy provided by the manufacturer, including the warranty period and scope. Give priority to manufacturers who provide long-term warranty and comprehensive warranty services to reduce the later maintenance costs.

　　Fourth, the product price and cost performance of marine generator manufacturers

　　Price comparison: Before purchasing, we can compare the prices of different brands and models of generator sets to understand the market price level and pricing strategies of different manufacturers.

　　Cost-effectiveness evaluation: comprehensively consider the quality, performance, after-sales service and price of the generator set, and evaluate its cost-effectiveness. Choosing a cost-effective generator set can not only meet the power demand of ships, but also reduce the procurement cost.

　　V. Strength and reputation of marine generator set manufacturers

　　Manufacturer scale: Understand the production scale, number of employees and R&D investment of the manufacturer to judge its production capacity and R&D strength.

　　Credibility inquiry: You can know the credibility of the manufacturer through online inquiry and customer evaluation. Give priority to manufacturers with high credibility and good customer evaluation.

　　Six, other matters needing attention

　　Understand product certification: ensure that the selected generator sets meet the relevant standards and certification requirements of the country or industry.

　　Considering the demand: If the ship has special electricity demand or space limitation, it can communicate with the manufacturer for production to meet the actual demand.

　　To sum up, when choosing a marine generator set manufacturer, we need to comprehensively consider the brand and configuration, quality and performance, after-sales service, price and cost performance, strength and reputation of the manufacturer and other matters needing attention. Through a comprehensive evaluation of these factors, we can buy a generator set with good quality and meet the demand, which will provide a strong guarantee for the normal operation of the ship.

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According to a report by India’s Politico on March 15, the Bombay Stock Exchange Sensitive Index (SENSEX) and N Index fell for the first time in a single week after rising for four weeks. Both indices fell about 2% this week, the biggest weekly decline in 20 weeks.

The SENSEX index fell 062% on the day to close at 7264343 points. The N50 index of the National Stock Exchange of India (NSE) fell 0.56% to close at 2202335 points.

The Bombay Stock Exchange (BSE) mid-cap index also closed down 0.51%. However, the BSE Small Cap Index bucked the trend and closed up 0.25%.

On the weekly chart, the benchmark SENSEX index fell 22% for the week and the N index fell 21%. This is the largest weekly decline since October 2023. The BSE mid-cap and small-cap indices fell about 4% and 6% respectively this week.

From an industry perspective, the N-Metal Index and FMCG Index closed flat, while all other industry indices closed down.

The biggest declines were in the oil and gas industry and the automobile industry, with declines of 198% and 157% respectively. The N Bank index fell 0.42%.

As some funds release stress test results, they are confident that their portfolios can cope with volatile market conditions.

In global stock markets, the weakness is believed to be driven by discouraging U.S. economic data and weakening expectations of a Federal Reserve interest rate cut.

Some reports showed that the U.S. industrial producer price index (PPI) exceeded expectations in February. At the same time, the number of people applying for and receiving unemployment benefits was lower than expected. These factors weaken the Fed’s case for interest rates.

Market participants will be closely watching the Fed’s monetary policy stance next week. Most expect the Fed to keep interest rates unchanged and start cutting rates from the end of June or July. (Compiled by Zhu Jie)