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Ensuring Safe and Reliable Operation of Rail Transit Systems

Ensuring Safe and Reliable Operation of Rail Transit Systems

Rail Transit

Critical equipment such as escalators and signaling systems is sensitive to voltage disturbances. Voltage sags may cause unexpected shutdowns and affect passenger safety, requiring fast voltage restoration solutions.

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Typical Case:
Metro Escalator Project

Project Background: Metro systems rely on escalators and other critical equipment to ensure safe and continuous passenger flow. Stable power supply is essential for reliable operation.

 

Challenges: Escalators are distributed across multiple stations and are sensitive to voltage disturbances. Voltage sags may cause protective switches to trip, resulting in unexpected shutdowns and increasing maintenance workload.

Typical Case:<br>Metro Escalator Project

INPOWER implemented an on-site DVR solution for metro escalators. Considering the ATS transfer time, the compensation duration was configured for 8 seconds to ensure continuous operation during voltage disturbances.

Parameter

Specification

Protected Equipment

Metro Escalators

Equipment Capacity

40kVA

Ride-through Time

8s

Energy Storage Cabinet Dimensions

600 × 600 × 800mm

Power Cabinet Dimensions

600 × 600 × 800mm

 

The DVR solution prevents unexpected escalator shutdowns caused by voltage sags, improving operational reliability and passenger safety.

 

Rail Transit

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