China Data Center Generator Manufacturer
With the core advantages of continuous power supply, fast response, high load capacity, and low failure rate, Huaquan data center generator is one of the key equipment to guarantee the power supply of the data center.
Switch to the data center generator within 10 to 30 seconds after the power grid failure to ensure a continuous power supply for the UPS, which can guarantee the continuous operation of the data Center during the power grid outage.
High transient response capacity, supporting 100% load step, preventing server downtime.
Silent container design (≤75dB), in line with urban environmental protection requirements, to avoid noise disturbance to residents.
A8 cloud platform, remote monitoring, reduces the need for manual inspections and alleviates the problem of excessively high costs for manual maintenance.
Data Center Generator
For the backup power supply of the data center, it is recommended to calculate the total load design with a redundancy factor of 1.2 to 1.3 times.
For a 2×800 kW diesel data center generator set connected in parallel (total 1600 kW), the recommended total design load is 1440 – 1560 kW.
For a 2×1000 kW diesel data center generator set connected in parallel (total 2000 kW), the recommended total design load is 1800 -1950 kW.
Recommeded total design load: 2250-2340 kW. Typically, 3×900 or 2×1400 kW diesel data center generators are connected in parallel.
Recommended total design load: 2800-3000 kW. Typically, 3×1000 kW or 4×800 kW diesel center generators are connected in parallel.
Application Scenarios of Data Center Generator
The data center generator is the last line of defense in the data center’s uninterrupted power supply system and is an indispensable core infrastructure. Data center generator is applied in: Backup power supplies for the Internet and cloud computing industries.
Application scenarios: Backup power for hyperscale data centers, securing backup power for cloud servers.
Backup power supply for ultra-large-scale data centers and backup power for cloud servers.
Backup power supply for the uninterrupted operation of core trading systems, and backup power supply for high-frequency trading scenarios.
Backup power supply for core servers, power protection for edge computing nodes, and backup power supply for submarine fiber optic cable landing stations.
Public security/fire command system, power protection, and epidemic data platform.
Medical imaging data center backup power supply, vaccine R&D supercomputing center backup power supply, and stem cell backup power supply.
Backup power supply for industrial Internet of Things (IoT) data middleware, backup power supply for intelligent manufacturing production line control center.
Backup power supply for AI training center, metaverse infrastructure, and blockchain nodes.
Backup power supplies for polar data centers, onboard data centers, and space data centers.
Main Types of Data Center Generators
Diesel generators as data center generators: easy to store fuel, wide range of power (tens of kW to several MW), suitable for long-time operation, are the most common and are equipped with the most units.
Gas generators as data center generators: environmentally friendly, lower emissions, but dependent on pipeline gas supply and may be limited in times of disaster.
Design Parameters for Data Center Generators
Power capacity: need to cover the full load demand of the data center, and reserve space for future extra expansion (usually configured according to N+1 or 2N redundancy).
Start-up time: from power failure to full load operation is usually within 10-30 seconds, with UPS (Uninterruptible Power Supply) to realize instant switchover.
Fuel reserve: at least 12-72 hours of operation (longer for demanding scenarios).
Weekly, check oil level/coolant, check standard: level between MIN-MAX.
Monthly, check no-load start test, check standard: continuously run for 5 minutes without alarms;
Semi-annually, change oil/filter, change standard: API CJ-4 grade oil;
Annually, full load test check, voltage fluctuation <±2% at 100% load.
Failure to start: Priority check 24 V battery pack (data centers commonly used 2×12 V in series)
Abnormal output voltage: focus on testing AVR and excitation winding insulation (resistance value > 1 MΩ)
in a low-temperature environment?
Phenomenon: Fuel solidifies below -10°C and clog filters
Solution: Use winter grade diesel fuel (e.g. -35#)
Add a fuel heating kit (e.g. Webasto heater).
Causes: Governor response delay, sudden load changes (e.g., multiple air conditioning compressors starting at the same time) and AVR (Automatic Voltage Regulator) failure.
A data center generator is a backup power source which is used as a backup in case of a main utility power failure. Data centers house important equipment such as servers, networking systems and even cooling systems, which must be powered at all times. Even a simple power failure can cause serious data loss or downtime of the system.
When power from utility companies fails, automatic transfer switches detect the loss of power. These switches cause an immediate signal to the generator to enter start-up. The generator engine then starts to operate, and mechanical energy is produced. This energy is then converted to electrical power by the alternator. When the system has a stable voltage and frequency, the system turns the electrical load from a utility source to a generator.
Most data center generators are diesel powered as diesel engines are reliable and are able to function for a long time. Fuel is stored on-site so that the generator can be left running during prolonged outages. Control systems monitor performance, fuel contents, temperature and load conditions.
Generators are used to supply power until utility power is restored. On grid, during the grid power is back and also stable, but the load is safely transferred back, and the generator shuts off or goes back to stand-by mode.
This is an automatic process that works to ensure an uninterrupted power supply. Data center generators are made to be reliable, quickly respond and be stable. Understanding how they work is important in planning for and maintaining critical power protection.
Generator capacity for a data center is worked by finding out the total power needed to support all the critical systems. This includes servers, storage devices, network equipment, cooling systems, lighting and security infrastructure. Engineers calculate present and future power needs in order to assure long term reliability.
The first is to find out the total electrical load of the building in kilowatts or megawatts. This includes peak usage and start-up power requirements. Cooling systems also tend to consume a lot of energy, and therefore need to be included in the energy use. Redundancy is also taken into consideration for continuous operation even if one of the generators fails.
Data centers normally have redundancy requirements such as N plus one or 2N. These setups have some extra capacity to deal with failures or maintenance without affecting operation. Redundancy levels in the generator capacity must be provided for the support of these levels.
Environmental factors such as altitude and temperature also affect the performance of a generator. Adjustments are made to ensure that proper output occurs under different conditions. Fuel storage capacity is planned for a long running time in case of outages.
Currently, data center generators use mainly diesel fuel as it is reliably energy dense. Diesel engines are known to start up quickly, and they are also able to handle heavy loads, making them ideal for emergency power applications. Diesel fuel is also easier to store at the site for longer periods of time.
Some data centers are using generators on natural gas. These systems are attached to gas pipes and have cleaner emissions. Natural gas generators can be used where there is a reliable supply of natural gas. However, due to natural disasters, the supply of gas may be affected, which may affect availability.
Hybrid systems are a hybrid of diesel generators and battery energy storage systems. Batteries power up on the go, and generators start things up and keep them going steady. This limits load stress and enhances the response time.
Fuel choice is based on fuel availability, regulations, run time requirements and environmental considerations. On site storage of fuels needs to be safe & meet standards. Regular testing of the fuel is important to avoid contamination.
The reason for generator redundancy is to ensure that the data centers have a constant power supply. These facilities support important digital services that cannot afford to cease operation at any time. Redundancy is also provided in case there is a failure of a generator or if a generator requires maintenance.
Common redundancy’s configuration includes N plus one system and the 2N system. In an N plus one configuration, one extra generator is installed over and above the required capacity. This allows one unit to go down without any impact on operations. With a 2N system, two complete sets of generators are running completely independently.
Redundant generators offer superior reliability and reduced risk. They allow maintenance to be performed without shutting off the data center. Automatic load balancing helps in the distribution of power equally and helps in increasing efficiency.
Redundancy also provides insurance against unforeseen increases in demand. As data centers grow, more equipment is needed, which leads to more power requirements. Backup capacity provides the scalability without any compromise on safety.
Regular maintenance is required in order to ensure the reliability of data center generators. Maintenance includes engine check, oil change, fuel system checks and cooling system servicing. Such tasks are helpful to avoid failures in the emergency operation.
The quality of the fuel must be monitored on a regular basis. Diesel fuel can degrade over time; testing and conditioning are important. Filters should be changed to prevent contamination. The battery system used for starting has to be checked, too.
Load testing is one of the important maintenance activities. Generators are test driven at load conditions to ensure that they are able to meet the real power demands. Control panels and automatic transfer switches are also tested to make sure that they are working.
Cooling systems and exhaust should be examined for leaks or blockages. Moving parts are lubricated to reduce wear and increase performance.
