Summary and Interpretation of China's "Railway + Beidou" Policy in 2021

In 2021, the high-quality development of China's railways will achieve new results and achieve a good start in the "14th Five-Year Plan". The national railway has completed fixed asset investment of 748.9 billion yuan

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China-Laos Railway officially opened

Today is not an ordinary day for Yunnan. The official opening of the China-Laos Railway today marks that the situation that the southern end of Yunnan is not connected to the high-speed railway and that Xishuangbanna is not connected to the railway has become a thing of the past.

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Mimeng high-speed rail line

On January 19, 2022, the last pair of rails of the Maitreya-Mengzi high-speed railway was put into place smoothly, marking the completion of the track laying of the main line of the Mi-Meng-Meng Railway constructed by the China Railway Third Bureau, fulfilling the owner's node requirements one day ahead of schedule, and successfully completing the track The paving task also laid a sol…

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Keeping railways safe, we are always on the move

Railways are the main artery for the rapid development of the national economy, an important strategic infrastructure in my country, and one of the popular means of transportation. It is the backbone of the national transportation system and plays an important role in driving the national and regional economies.

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Energy saving and environmental protection, railway first

At present, my country's railway technology has been at the leading level in the world, and China's high-speed railway has also become world-renowned and has become a business card of my country. It allows people from all over the world to see and feel the speed of China, and it is also the pride of every railway person.

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How track circuits work

When there is no train running in the blocked area, the current will flow from the power source to the relay through the track, and it will activate the magnetic contact to turn on the green light circuit (the signal immediately indicates safe passage).

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Types of high voltage pulse power supply

There are many types of high-voltage pulse power supply. According to the realization method of high-voltage pulse power supply, it can be divided into mechanical switching type, high-voltage solid-state switching type, and Marx network (Marx generator). Among them, the high-voltage solid-state switching type, and the Marx network can achieve nanosecond-level narrow pulses and high pulse …

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