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How do ensure high reliability of EPS power supply in subway?

The main measures and characteristics of EPS power supply to ensure high reliability in the subway are as follows:

Modular design

EPS power system adopts modular parallel design, which can realize parallel backup of N+1 module. This means that even if some modules fail, it does not affect the operation of the entire system, thus improving the reliability of the system.

Hot-swappable structure

The modules of the EPS power system are hot-swappable, which reduces maintenance time and improves system availability.

Intelligent operation monitoring

Intelligent system operation, through the touch screen monitoring to achieve fault location and intelligent control of battery management, prolong battery life, reduce maintenance costs.

Energy saving and emission reduction

EPS power system adopts high-efficiency power conversion technology, which improves power efficiency and saves energy.

Pure sine wave output

Compared with the EPS composed of the traditional inverter, the modular EPS output is pure sine wave, which has no impact on the sensitive equipment, and the integrated output waveform harmonic interference is serious.

Fast switching ability

The switching time of EPS equipment from mains power supply to emergency power supply is less than or equal to 3ms, which is crucial for subway stations to respond to demand.

Battery management

EPS power system generally integrates battery management software and hardware systems, which can monitor each battery in real time locally and remotely, and automatically charge and discharge it regularly, thus facilitating maintenance personnel to manage and reduce maintenance workload.

Maintenance and maintenance

Regular cleaning, dust removal and removal of foreign bodies in the cabinet; Regular measurement of electrical parameters; Regular simulation switching test; Perform functional discharge and capacity check discharge on the battery; If any abnormal battery is detected, handle it in time.

Independent system setting

The independent EPS system will not cause unnecessary panic due to a large area of power loss caused by a fault, and greatly improve the implementation of subway accident handling plan.

Mature technology and wide application

EPS power system has been widely used in subway, railway, highway and other municipal projects, there are also many use cases in civil buildings, the product is already a very mature product.

CONCLUSION

Through the above measures, the EPS power system ensures high reliability in the subway and provides a strong guarantee for the safe operation of the subway.

EPS BATTERY SERIES

The centralized power supply for fire emergency lighting is a kind of backup power supply equipment, which provides power guarantee for emergency lighting equipment to ensure that the on-site lighting equipment can operate normally in emergency situations such as fire. Provide a long-term backup power supply to meet the needs of the emergency lighting system.

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