Datong Locomotive Corp. adopts building block design idea and advanced standards at home and abroad, and makes a breakthrough in the core technology of high power AC transmission locomotive, and locomotive and the related core parts have formed series products.
1. System integration and debugging technique of electric locomotive
Our company grasps design, manufacturing and test techniques of numerous parts such as heavy-haul bogie, high strength body, high-capacity traction transformer, high-voltage electrical apparatus, and builds up technique forum of modularized and universally used 6-axle and 8-axle high-power AC traction electric locomotive, making great leap from DC traction area to high-power AC traction area. All of these make our company top at the first rank.
2 Integration technique of electric transmission system
It can achieve the goal of system integration of different suppliers such as Alston, Toshiba, Bombardier, and CNR Core (Cooperation among Dalian Branch, Yongji Branch and Datong Branch of CRRC). We build self-determination traction transmission system technique forum with single axle control, three optional kinds of intermediate voltage, and water cooling. Besides, our own auxiliary cabinet of highly integration has been installed and keeps a good state, achieving fully independent research of auxiliary converter technology.
3 Reliability design technique of heavy-haul bogie
Our company studies structure of driving system, driving gear and motor bearing load and so on, builds axle driving system technique forum of reasonable structure, advanced technique, mature operation, and reliable performance. Under the forum, we also build axle load bogie forum of 18t、21t、23t、25t、27t、30t, locomotive based on which is reliable during operation with excellent stable performance, and it has won good reputation.
4 Integration technique of braking system
It possesses the capacity of integrating different braking systems from KNORR, FAIVELEY, and Westinghouse Electric Corp. etc.
5 Build technique forum of self-determination network control system
Our company builds self-reliance network control system forum which adopts advanced TCN bus technique that conforms to IEC61375 series standard and ETB technique and makes deep study on logic function and coupling control. Besides, we build microcomputer network function test forum, do developmental study for software of application layer and achieve the goal of fully mastering core technique of network control system.
6 Locomotive intercommunity and simplicity & unit design technique
HXD2F locomotive is a firstly developed kind of locomotive in our company with intercommunity and simplicity & unit design, being made fully consideration from intercommunity design, operating system, interchangeability of spare parts, maintenance and total connector, logic control, safety, domestic and installation etc.
7 Substitute technology of localization of repair and inspection products
Technical study and product development for HXD2 locomotive, traction converter, traction power module, auxiliary converter, auxiliary power module and locomotive control system break foreign companies’ monopoly for the products and their techniques and solve problems of spare parts and repair & inspection problems such as C4, C5, and C6. Substitute technology of localization of repair and inspection spare parts provides the users with solid technical support.