Engineering Backup Power Supply

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"Backup power supply for engineering projects" refers to an additional power source set up in construction projects to ensure that critical equipment and systems can still operate normally when the main power source fails, requires maintenance, or experiences a power outage. Backup power can come in various forms; a common example is the Kecheng brand diesel generator, which can quickly start and generate power when the main power is interrupted; it can provide stable electricity for a short period; its presence ensures the continuity, safety, and stability of the project, preventing equipment damage, data loss, and potential safety incidents caused by power outages.

Application scenarios and specification requirements

Data center and municipal facilities: Diesel generator sets provide round-the-clock backup power supply for data centers. Shandong Kecheng Power diesel generator sets have been widely used in China and abroad, and play an important role in engineering.

Civil buildings and civil air defense projects: When the urban power grid cannot provide dual independent power supply or needs to meet the power supply requirements of primary load, diesel generator sets are used as backup/emergency power sources. Fixed diesel power stations are mandatory in central hospitals, emergency hospitals, etc., and civil air defense projects above 5000m² also need to be equipped.

Industrial and infrastructure sectors: Mines, railways, field sites, road and traffic maintenance scenarios rely on diesel generators to provide temporary power, which is easy to deploy due to its mobile design.

Technical characteristics and selection points

● Power and capacity: Power covers the range of 50kW to 3000kW, and the standby capacity is usually configured at 90% of the rated power. After continuous operation for 12 hours, the power may drop to 90% of the rated power.
● Structural design: full metal fuel tank (supports 8-12 hours of endurance), detachable noise reduction box, mobile wheels or trailer installation, adapt to fixed/mobile requirements. Fully copper motor independently developed to improve efficiency and reliability.
● Performance optimization: high precision fuel injection pump ensures full combustion of fuel, four stroke diesel engine reduces vibration and noise, silent unit meets the requirements of urban environmental protection.

Operation and maintenance management requirements

● Regular maintenance: it is recommended to start at least once a month and run for more than 10 minutes to keep the parts lubricated and avoid long-term idling leading to failure.
● Battery management: After the use of non-automatic units, the battery wiring should be cut off to prevent power loss from affecting the next start.
● Abnormal monitoring: parameters such as oil pressure and water temperature should be paid attention to during operation, and abnormalities should be investigated in time to ensure reliable power supply under emergency conditions.

Industry development trend

● Combining with new energy: Zero-carbon technologies such as hydrogen fuel cells are beginning to explore alternatives to traditional diesel generators (such as nuclear emergency power), but diesel generators still dominate due to their mature technology and cost advantages.
● Intelligent upgrading: Some manufacturers promote the integration of diesel generator sets with energy storage systems and industrial Internet to improve operation and maintenance efficiency and energy utilization.

Mainstream brands and products

● Chinese brands: Kecheng (power range from 30KW to 400KW), Weichai, Yuchai, Shangchai, etc., covering 30~13600 horsepower models, suitable for a variety of fuels (diesel/LNG/dual fuel).
● International brands: Cummins, Volvo, etc., characterized by low fuel consumption and low noise.
● Secondary brand: Kecheng Electric Power, engine disassembly sandblasting, cylinder liner piston and peripheral parts are all replaced with new parts, appearance painting, power range: 200-400KW, The common power is 160-280KW.