Abstract
Under the background of transportation power and new infrastructure construction, there are many field equipment were installed along the smart highway, such as intelligent sensing and monitoring devices, which puts forward higher requirements for its power supply system. This paper focused on the actual characteristics and requirements of highway tunnel lighting and remote equipment power supply, compared and analyzed the characteristics, advantages and disadvantages of multiple-pulse rectifier DC power supply system, put forward the power supply design scheme which as suitable for highway tunnel lighting and remote equipment, and verified the design scheme of multiple-pulse DC power supply system through the application of actual highway engineering projects. The study results can provide technical reference for the design of smart highway power supply system.
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