External power supply scheme for communication base stations along high-speed ra

External power supply scheme for communication base stations along high-speed rail lines
1、 Basic information of the project
1. Communication base stations need to be built along the high-speed railway, with a spacing of about 600m between them. The base station load is 3-5KW, with a small amount of 10KW.
2. The high-speed railway line is far away from towns, which makes it difficult to solve the problem of external power supply for base stations.
3. The infrastructure layout of the completed high-speed railway lines (in some areas) needs improvement, but the passenger communication signal is poor and the user experience is improved.
2、 Conventional solutions for external power supply of base stations
The central base station introduces a 10KV power supply, which is stepped down by a transformer, rectified into DC, and then supplied to the 600m base stations on both sides

Communication base stations should be evenly distributed along the high-speed railway line at intervals of about 600m. The premise for the establishment of this plan is that there should be a power grid (reliable 10KV power supply) near each central base station, otherwise additional investment in 10KV external lines should be made. However, in reality, the power grid cannot provide exactly 10KV power based on the location of the central base station. The feasible solution should be to find a reliable power point and then build a dedicated 10KV overhead (or buried cable) line. Under normal circumstances, transformer and distribution equipment should be built every 1.8 kilometers, with a cost of approximately 160000 yuan.