When installing a surge monitoring system in a railway signaling system, the following factors must be considered:
Installation location
Surge monitoring systems are commonly installed in railway signal equipment and major power facilities . In particular, they can be installed in the following locations:
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 Railway Control Center : Building a central monitoring system for real-time monitoring and data analysis 
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Signal control device : Install a protection device to prevent signal errors due to surges. 
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Power Supply : Surge Monitoring and Protection in Substations and Railway Power Systems 
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 High-speed rail and subway lines : Surge protection required in sections with high-density power and signal systems 
Types of Surge Monitoring Systems
Typical systems for surge protection and monitoring include:
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Fault-alert IoT surge protector : In addition to surge blocking, it includes functions to measure the size, number, and time of incoming surges to predict failure rates and determine remaining lifespan. 
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 SBB (Surge Black Box) surge protection monitoring system : Installed in various facilities such as high-tech industrial complexes, public institutions, airports, and research institutes, and provides real-time monitoring and data analysis functions. 
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Surge Protection Devices for Power and Communications : Various SPDs (Surge Protective Devices) can be applied to protect power and communication circuits of railway signaling systems. 
How to install
The general procedure for installing a surge monitoring system is as follows:
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Turn off the circuit breaker power : Turn off the power before installation. 
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Installing Surge Protection Devices : Connecting SPDs to Signal Control Devices and Power Supply Units 
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Ground connection : Connect the ground wire to the G terminal for reliable surge protection. 
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 Power connection : Connect the neutral line (N) and power line (RST) respectively 
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Circuit breaker power ON : After installation, turn on the power and check the system operation. 
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Real-time surveillance system integration : Connect to central surveillance system for data analysis and accident prediction 
Applying these systems to railway signaling systems can prevent accidents caused by surges and enhance railway safety through real-time monitoring.
