How does the UPS prevent data loss during power outage?...
How to ensure the safety of UPS in railway signal system?
Railway signal system is the "brain and nerve" of railway transportation, which is responsible for eliminating the risk of train operation and ensuring life safety. It is composed of central equipment, station equipment, trackside equipment, on-board equipment and communication network. The UPS system plays a vital role in the railway signal system, and its application and security are mainly reflected in the following aspects:
Improve power supply reliability
The UPS system can quickly switch to backup power when the main power supply fails or is interrupted, ensuring the continuous power supply of critical equipment such as railway signaling systems. This avoids problems such as equipment downtime and data loss due to power failure, thereby improving the reliability of railway power systems.
Ensure device stability
The UPS system has the functions of voltage and frequency stabilization, which can effectively eliminate the interference of voltage fluctuation and frequency drift in the power supply, ensure the stable operation of key equipment such as the railway signal system, and extend the service life of the equipment.
Improve device compatibility
The UPS output power supply quality is high, can meet the railway signal system and other key equipment requirements for power quality, improve the compatibility and stability of the equipment.
Respond to emergencies
As a backup power supply device, the UPS system provides continuous and stable power supply for key equipment such as railway signals, communications, and computers when the main power supply fails or is interrupted, ensuring the safety and smooth railway transportation.
Physical security monitoring
The physical security of signal system is an important aspect to ensure its normal operation. By using the Internet of Things technology, the physical status of different types of equipment located in various places such as the computer room, the rail side, and the vehicle can be included in the monitoring system to improve the safety of the signal system.
Information security
The research on information security of railway signal system is still in the initial stage. Accelerating the research on information security technology, standard system construction and engineering application of signal system is an important measure to improve the security of signal system.
Functional safety
The functional safety of signal system is the key to ensure the safe operation of train. By adopting fail-safe structures such as reactive, combined and intrinsic fail-safe structures, the overall safety of the signaling system can be improved. For example, the practice of combining ATP travel permit with track circuit information in CTCS-3 train control system can be regarded as a special case of this fault-safety structure, and fault detection of local logic processing can partially improve the safety of the system.
Remote Dr
Considering security threats such as earthquakes, floods, and power outages, the signal system needs to be backed up in remote locations to ensure that when the local system fails to work properly, the signal system can be switched to the secure cloud platform to maximize the availability of the signal system and realize rapid fault recovery.
CONCLUSION
In summary, the application of UPS system in railway signal system is of great significance to ensure the safety and smooth of railway transportation. With the continuous development of the railway industry and the continuous progress of technology, the UPS system will continue to develop in the direction of high efficiency, high power density, intelligence, green and all-in-one, providing a more reliable, stable and efficient power supply guarantee for the railway power system.
UPS BATTERY SERIES
UPS (Uninterruptible Power Supply) batteries are an important component of power supply systems designed to provide stable power support for electronic devices.
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