How to equip a diesel generator set in a medical building?

Diesel generator sets are widely used in various fields as an important emergency (backup) power source. In the electrical design of medical buildings, it is not only necessary to make correct and reasonable selection of diesel generators, but also to combine the characteristics of medical buildings, pay attention to the coordination between diesel generator sets and the environment, and provide the full life cycle use and operation and maintenance of medical equipment and the generator set itself. Provide sustainable conditions.

Diesel generator sets

 

       Diesel generator sets are widely used in various fields as an important emergency (backup) power source. In the electrical design of medical buildings, it is not only necessary to make correct and reasonable selection of diesel generators, but also to combine the characteristics of medical buildings, pay attention to the coordination between diesel generator sets and the environment, and provide the full life cycle use and operation and maintenance of medical equipment and the generator set itself. Provide sustainable conditions.

 

       The "Code for Electrical Design of Medical Buildings" stipulates that emergency diesel generator sets should be set up in tertiary hospitals; emergency diesel generator sets should be set up in secondary hospitals. The power supply maintenance time of the backup power supply shall meet the requirement that when the power restoration time is less than or equal to 0.5s, the power supply maintenance time of the self-provided backup power supply shall not be less than 3h. The maintenance time of other backup power supply should not be less than 24h.

 

       When the working power supply of the electrical equipment in different medical places is interrupted or the power supply voltage drops by 10% or more and the duration exceeds 3s, the backup power supply shall be input according to the specified switching time. The medical buildings are divided into medical places, and the time and power solutions for automatic power recovery when the power supply is interrupted in different medical places are as follows.

       (1) t≤0.5s: The combination of uninterruptible power supply (UPS) and diesel generator power supply is used for power supply.

       (2) 0.5s≤t≤15s: The diesel generator set that starts quickly within 15s is used for power supply.

       (3) t>15s: use diesel generator set or municipal power supply for power supply.

 

       Whether a hospital is equipped with an emergency power supply diesel generator set is based on the level of the hospital. There are a large number of primary loads, primary loads and secondary loads that are particularly important in medical buildings. Whether the diesel generator set in the medical building is used as an emergency power supply or a backup As for the power supply, Dingbo Power believes that the diesel generator sets that supply power to the first-level loads are the emergency power supply, and the diesel generator sets that supply power to the first- and second-level loads are used as backup power sources.

 

       For a newly built hospital with a certain scale, generally more than one diesel generator set is installed. At this time, a particularly important load in the primary load can be connected to the emergency power diesel generator set, and the primary and secondary loads and the hospital can be used according to the use. It is required that the load to be guaranteed should be connected to the standby power supply diesel generator set, so that the independent setting of the emergency power supply system and the standby power supply system is achieved.

 

       For small-scale hospitals, it may be possible to set up a combination of diesel generators and set up emergency power supply and backup power supply. Tingbo Power recommends that when designing the transformer low-voltage power distribution system, the most important load in the primary load and the primary load and the first, The secondary section is set up to ensure the busbar section, and the diesel generator set power supply and the city power supply emergency (backup) power supply for the equipment of the corresponding load level after switching between different busbar sections.