On October 2013110/0, Changsha Metro Line 2 was put into full trial operation for the first time, and the first low-speed hot sliding commissioning of the whole line was successfully completed. This debugging kicked off the joint debugging of Changsha Metro Line 2. The remaining 15 trains will enter the tunnel for bullet train debugging one after another before starting operation in February 20 13, and will be put into operation on April 29, 20 14.

The joint debugging has achieved the expected goal.

In layman's terms, hot sliding refers to the trial operation of the train on the line to test whether the track, signal and power supply equipment can meet the operating conditions.

At 9: 00 pm on the 2nd, the first train of Metro Line 2 starts from Huangxing Depot and Comprehensive Base, passes Quanta Station, Wuhan-Guangzhou Changsha South Station and other 18 stations in turn, and reaches Wangchengpo Station at the westernmost end. After a short stop, the train returned to the starting point at the original speed and route.

In order to ensure the safety of debugging, the train first runs in the tunnel at a low speed of 15km/h, and then speeds up to 25km/h and 45km/h respectively. Commissioning of signal system of Changsha Metro Line 2 in July 20 13. The design service life of signal system is generally about 30 years. When the system is upgraded, there is no need to interrupt the subway operation.

According to the relevant person in charge of the company, the main signal system of Changsha Metro Line 2 consists of four subsystems: automatic train protection, computer interlocking, automatic train driving and automatic train monitoring.

When running, the train can adjust its speed by itself, and when stopping, the train door and the screen door are precisely aligned. The driver only needs to press the start button after confirming that there are no obstacles in front of the train and the doors and screen doors are closed.

Subway drivers only play the role of supervision and departure. But this does not mean that the subway driver can be anyone: when the signal fails and the train cannot run automatically, the driver still needs to operate manually.

Changsha Metro Line 2 was officially put into operation on April 29th, 20th14th. According to the relevant situation, the designer suggested that Changsha Metro Line 2 should start operation at 6: 00 every morning, close at night 12, and run all day 18 hours.

There are 6 trains on Changsha Metro Line 2, each of which can carry 1460 passengers. It is estimated that in the initial period (20 16), the one-way peak hour section traffic volume will reach 1.0 10000 passengers, and the daily passenger traffic will reach 238900 passengers. According to the passenger flow forecast results, the train interval of Changsha Metro Line 2 during the initial peak hours is set to 5 minutes.

However, this does not mean that you have to wait for 5 minutes every time you travel. When the number of people waiting for the bus exceeds a certain number in a month, the signal system will send the passenger flow to the Du Hua Road Operation Control Center, and the dispatcher of the control center will adjust the frequency reasonably according to the actual passenger flow data: it can be every 2 minutes or every 3 minutes. Changsha Metro Line 2 runs from February 30th, 20 13 to April 28th, 20 14.

Changsha Metro Operation Control Center was officially put into operation, the first batch of subway trains were basically in place, and the transformation of 19 subway station was completely completed ... Today (65438+February 19), Peng Xufeng, chairman of Changsha Rail Transit Group Company, announced that the trial operation time of Changsha Metro Line 2 was 2065438+65438+February 30, 2003.

Peng Xufeng said that the trial operation lasted for 4 months and was officially put into operation on April 29th, 20 14. The operation and trial operation are exactly one month ahead of schedule.

At the beginning of the trial operation, the operating company will organize four subway trains to run in the tunnel on time every day, and then gradually increase. Changsha Rail Transit Group Corporation will organize citizens to take a test ride in a planned way. During the trial operation, no tickets will be sold to passengers, but passengers are required to take the subway test tickets issued by the rail company.

Changsha Metro Line 2: It runs through the east and west of Changsha, connecting the urban area once and twice, and connecting Hexi New City, the main urban area of Changsha, Changsha Railway Station and Changsha South Station from west to east. It is the core line of Changsha rail transit in the east-west direction, corresponding to the traffic corridor with the largest passenger flow and the greatest bus pressure in Changsha. Changsha Metro Line 2 connects three east-west passenger hubs (West Bus Station, Changsha Railway Station and Changsha South Station) and four passenger distribution centers (Xuanwan Town, Wuyi Square, Furong Square and Yuanjialing), which can effectively relieve the pressure of bus passenger flow along the Orange Island Bridge and wuyi avenue, and guide the development of new areas such as Hexi New Town and Changsha South Station.