Development Process
CR400AF (10 photos)
Starting in 2012, China Railway Corporation Collection of China's related efforts such as enterprises, colleges, research units, etc.In June 2013, the "China Standard" EMU project was officially launched. In December 2013, the overall technical conditions were formulated; the September 2014 program is completed;
officially launched on June 30, 2015, and officially launched on the China Railway Science Research Institute in China Test work.
Two standard EMU samples have been truck at the Daxie passenger transport.
In July 2016, the two China Standard EMUs conducted a comprehensive test, and the Zhengxun passenger line was rapid to the speed of 200 kilometers from the speed of 420 kilometers. On July 15, China Standard EMU has successfully realized the goal of 420 kilometers of time-speed 420 kilometers. This is the first time to implement a high-speed rail train group traveler speed and resilience.
News report (8 photos)
6:10, 2016, G8041 trains carried by China Standard EMU, from Departure in Dalian North Station, along the high-speed railway to Shenyang Station, which is the first transceiver trial operation of China Standard EMU.
On January 3, 2017, the National Railway Bureau issued a Chinese standard EMU model certificate and manufacturing license for China Standard EMU Siki Locomotive Co., Ltd.
On June 25, 2017, China Railway Corporation General Manager Lu Dongfu announced that China's Standard EMU is named "Revival" in Beijing, and from Beijing South Railway Station and Shanghai on June 26 Hongqiao Station is started at the same time.
July 27, 2017, according to the China Railway Corporation Arrangement, the revival of the EMU has carried out a speed of 350 kilometers from the Beijing-Shanghai high-speed rail, the weight and real-speed inspection and testing, feasibility research and operation Safety assessment, organized academicians and railway experts in the two hospitals. The test activity participated in more than 300 people. Through the comprehensive system scientific argumentation and comprehensive assessment, the Beijing-Shanghai high-speed rail meets the operational requirements of 350 kilometers per hour per hour.
On 21 August, 2017, the revival of CR400AF began to serve as part of the Beijing-Tianjin Intercity High-speed Railway.
September 21, 2017, Fuxing No. 3 began to run at 350km / h on the Beijing-Shanghai high-speed railway, Beijing South to Shanghai Hongqiao is only 4 hours 28 points
In March 2018, the long-editing group rejuvenated the Beijing ring iron trial, soon went to Beijing Shenyang high-speed rail Shenyang - Fuxin section for various tests
on April 17, 2018, the national railway map, Beijing-Shanghai high-speed rail resolution is further compressed, and Beijing-Shanghai is the fastest 4 hours.
On July 1, 2018, the long-editing group was started to implement the Beijing-Guangzhou high-speed railway road and the Beijing-Shanghai high-speed railway road.
August 8, 2018, Renaiss is running at an intercity high-speed railway at 350km / h.
On December 24, 2018, China Railway Technology Innovation Achievements was held in Beijing, CR200J, CR300AF, CR300BF, CR400AF-B, CR400BF-B were first unveiled.
January 5, 2019, China Railway implements new train operations, CR400AF-B and CR400BF-B serve as Beijing South Railway Station - Shanghai Hongqiao Station G9 / 16 trains.
Technical Features
Power Configuration
Composition of two basic power units using 8 groups, 4 moving 4-moving unified power configurations. By adjusting the motor characteristics, it can meet the needs of different speed target values on the traction capabilities in power unit configuration and network control, and can achieve a flexible grouping to meet different passenger flow needs by combining different power units. CR400AF has improved in the ride, air conditioning system, luggage rack setting, car lighting, barrier-free facilities, etc. The second-class seat spacing in the compartment is unified to 1020 mm. First-class seat spacing is increased to 1160 mm, setting uninterrupted passengers with a 220V power outlet. In order to adapt to energy-saving and environmental protection requirements, the whole vehicle in China Standard EMUs uses new low-resistance streamlined head type design and vehicle body smoothing design, reducing pneumatic resistance, reducing continuous operation of energy consumption, and unifying parts technical standards, achieving various model EMUs The interchange of the same parts, effectively reducing the service life cycle cost of using, overhaul.
Traction System
Adopt Directive IGBT components made of communication transfer traction system, improve the intermediate DC link voltage, improve the efficiency, reduce loss, improve motor control characteristics, and improve the unit Traction output power under the quality. Make full use of component performance, significantly improve electric brake power on the basis of traction power. Use the phase shifting technology to effectively control harmonics to ensure the quality of recovery of renewable energy, reduce total energy consumption.
Brake system
The power-on-form electric power system and large-capacity basic brake device are used by microcomputer control, which is equipped with airborne composite control of the whole train. Mode curve precisely control the train deceleration or parking. The management, calculation and distribution of train brakes is implemented by the brake system, optimize anti-slip control logic, and make full use of adhesive and electric brakes, shorten the brake distance, and reduce disc wear.
Network Control System
Using the two-level network structure consisting of train stage (WTB) and vehicle level (MVB), according to the actual control strategy of China Railway, self-developed train network control system. The train adds a diagnostic Ethernet, fully enhances the transmission of fault diagnosis and monitoring data, and provides the function of transmitting data to the ground, so that the intelligence of the train is greatly improved, achieving the same speed grade EMUs for different manufacturers, different Speed grade EMUs rescue each other.
Steering frame
Adopt modular design H-shaped frame without shaking steering frame, strengthening structure and performance safety redundancy design. Uniform use 920 mm large-wheel diameter and abrasive steam, improve wheel-rail matching relationship, optimize the two-line suspension parameters of the steering frame, reduce the quality of the spring under the spring, reduce the pulse of wheel rails, improve operation stability, comfort and structural safety. Realize the role of wheel peer-to-peer components.
Auxiliary Power Supply System
Adopt China Standard System AC380 V / 50 HZ auxiliary power supply system with automatic balanced load and redundant power supply, the auxiliary converter consists of traction converters The intermediate DC link is powered, and it is self-generating function when it is continuously charged, and the power supply is used in the air-moving return / rescue condition. R & D Lithium battery DC power supply system, enhance the quality power supply capacity of units.
High voltage system
Adopt actively controlled battery, high pressure equipment insulated lightning tolerance voltage increased to 185 kV, using the overall sealed high pressure box structure, except for electric bow In addition, the remaining high pressure components are not exposed to the operating environment to improve the working environment of high voltage system components, improve the system of work reliability in different networks and different environments, and realize the maintenance of daily use.
Car body
According to the website of Australia Industrial Design Alliance, the company undertakes the design of CR400BF profile and interior in 2014. China Standard EMU trains use large hollow aluminum profiles to weld high-strength, lightweight vehicle body, unified vehicle body length of 25000 mm, the maximum width of the body is 3360 mm, the vehicle height is 4050 mm, air conditioning and other equipment to be embedded Design, realize the smoothness of the trains, the new design of streamlined head, further reducing the resistance at high speed. Design anti-collision capability structure and device to improve safety protection.
Revival number CR400AF (3 photos)
painting
CR400AF 2 sample car (CR400AF-0207 and CR400AF- 0208) The painting of blue lines above the side window, as of 2021, the train all uses a silver background with side-by-side windows and the lower red lines.
Train group
Car model
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zy: first-class car (first Class Coach
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ZE: Second Class Coach
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ZEC: Second Class Coach / Dining Car
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zys: first-class / business car (first class / business coach)
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ZES: second-class / business car (SECOND) Class / Business Coach)
English letters meaning
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z: zuo (pinyin), seat, seat
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y: yi (pinyin), one, one-class
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E: ER (pinyin), two, second-class
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C / CA: CAN (pinyin), meal, dining car
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s / sw: plan (pinyin), business, business / p>