Solutions

Rail Transit

Intelligent transportation is a comprehensive application of technologies such as the Internet of Things, cloud computing, the Internet, artificial intelligence, automatic control, and mobile internet, based on smart transportation. It utilizes advanced technologies to gather transportation information and provides comprehensive support for traffic management, transportation, and public travel in the field of transportation. It equips the transportation system with capabilities such as perception, interconnection, analysis, prediction, and control in regional cities and even larger temporal and spatial scopes. This aims to ensure traffic safety, optimize the efficiency of transportation infrastructure, improve the operation efficiency of the transportation system, enhance management levels, and serve smooth public travel and sustainable economic development.

Urban rail transit comprises numerous low-voltage equipment systems, such as communication, signaling, integrated monitoring, environmental monitoring, office automation access control, automated ticket vending/checking, fire automatic alarm, platform screen doors, emergency lighting, and comprehensive automation of substations. These systems are responsible for passenger transportation, environment monitoring, information transmission, and passenger guidance at subway stations. They are classified as important or particularly important primary loads, requiring highly reliable power supply to ensure power quality and continuity. In the electromechanical systems of expressways, UPS, generators, and voltage stabilizers play a critical role in ensuring stable system operation. With the rapid development of expressway construction in our country, the scale of expressways is becoming increasingly massive, and power supply failures are not uncommon. Common issues include abnormal automatic shutdown of UPS and battery damage, resulting in communication interruption or loss of computer data. These problems account for a relatively high proportion of electromechanical equipment failures on expressways. On the other hand, due to the large number and dispersed nature of expressway stations, manual inspections are inefficient, which raises higher requirements for monitoring key power supply equipment.

Solution Characteristics

High Reliability

To ensure the reliable operation of the subway communication system in case of main power interruption or fluctuations, the subsystems will be responsible for powering all communication equipment at control centers, stations, and depots throughout the entire line. Therefore, the power supply system requires extremely high reliability, providing continuous, efficient, safe, and reliable power supply to ensure the operation of the loads. Prostar Industrial UPS features built-in output isolation transformers and multiple protection functions such as output overload, short circuit protection, and battery overcharge protection, ensuring system stability and reliability.

High Efficiency

The power consumption of the subway is significant, resulting in substantial annual electricity costs. Moreover, high power consumption does not meet the national requirements for energy conservation and emission reduction. Therefore, efficiency is particularly important when selecting electrical equipment, as it is a critical parameter that determines the annual power consumption of the equipment. Prostar Industrial UPS adopts online double-conversion technology with zero conversion time, achieving a high online mode efficiency of up to 95%.

Industry Customization

Subway stations have high passenger flows, making them prone to accidents. To prevent accidents such as fires and explosions caused by unexpected power outages, leading to casualties and social impacts, reliable emergency backup power support should be provided for important primary loads at stations. This includes emergency lighting and evacuation indicator lighting for critical areas to ensure sufficient light sources for accident evacuation. Prostar offers customized UPS power solutions specifically designed for the rail transit industry, featuring short switching time and strong stability, providing reliable power support for subway stations.

Space Saving

Most of the power system equipment rooms in subways are located underground, requiring significant investments during civil construction. Excavating additional square meters underground involves substantial costs, including manpower, resources, and energy consumption. Therefore, the space in the power equipment room is often limited and needs to be utilized more effectively. By choosing Prostar UPS, not only can high-quality products be ensured, but also the equipment’s small size, light weight, and space-saving characteristics can be achieved, thereby saving space in the equipment room.