The Research on the VSC-HVDC Control System Structure

Author(s):  
Zhaoqiang Yuan ◽  
Hairong Wang
2013 ◽  
Vol 336-338 ◽  
pp. 681-685
Author(s):  
Li Jun Zhao ◽  
Ying Feng Chen

This paper constructs a coal-conveying control system based on programmable logic controller (PLC), which is applied to the residual heat and pressure integrated energy-saving technological transformation projects, and realizes the performance of security, reliable and efficient operation. This control system consists of the PLC control system, computer control system and industrial television monitoring system. After more than one year of actual operation shows that the system structure is reasonable, reliable operation, at the same time, reduce labor intensity, improve the utilization rate of equipment, the stable operation also provides a practical reference for other similar projects.


2014 ◽  
Vol 1049-1050 ◽  
pp. 1196-1199
Author(s):  
Yu Ming Ma ◽  
Lin Liu

In this paper, the substation computer supervisory control system structure, content, features and characteristics were described. In recent years, substation monitoring technology has been developed rapidly, and has been widely used. However, due to the promotion of our country is in its infancy, technology is not mature, the new operation and management model is being explored, and thus in the operation also exposed some problems.


2013 ◽  
Vol 273 ◽  
pp. 3-7
Author(s):  
Jin Xian Yang ◽  
Xing Jie Li

More and more LCNG fueling stations being built in several cities of China, it brings some problems on safety ensuring, rapidly constructing, cost saving, stable controlling, convenient moving. According to the requirements of the technological process, a kind of skid-mounted LCNG (Liquefied Compressed Natural Gas-engines) fueling station is designed. The station integrates those main equipments, such as LNG cryogenic pump, LNG vaporizer, and electrical control cabinet. Using a touch screen with a PLC in the electrical control cabinet, and it is an easy and less cost way to discharging the field controlling. The control system structure and the software are also designed for stable controlling. Compared to traditional CNG fueling station, it can be less land consumption, low construction cost, easily moving, and the skid-mounted LCNG fueling station has very wide application foreground.


2014 ◽  
Vol 1006-1007 ◽  
pp. 627-630 ◽  
Author(s):  
Xu Dong Yang

CAN bus was used as the data transferring channels in the two–level controllers, and the real-time,dexterity,expansibility and security for the Gluing control system based on CAN bus can be improved obviously.The system structure, principle and software design were introduced.The experiment shows that it is a reliable control system and it can meet the requirements of automatic gluing tasks.


2014 ◽  
Vol 701-702 ◽  
pp. 807-811 ◽  
Author(s):  
Xin Lai ◽  
Xin Bo Chen ◽  
Xiao Jun Wu ◽  
Dong Liang

The structure and principle of four-wheels independent driving and steering (4WIS-4WID) electric vehicle are presented firstly, and on this basis the structure of network control system base on CAN bus is built. Kinematics and dynamics models of typical steering modes (such as all wheel steering, front (rear) wheel steering, parallel steering, zero-radius steering) are built, and the control strategy is presented. The experimental results show that the control system structure and control algorithm are effective.


2012 ◽  
Vol 614-615 ◽  
pp. 1352-1356
Author(s):  
Jin Jiang Zhang ◽  
Yong Ping Zheng

Photovoltaics systems effectively used in buildings will contribute to reduce electrical energy consumption and carbon emissions significantly. Main characteristics and recent development of BIPVs and BAPVs and is analyzed firstly. The system structure and major equipment for an experimental BIPVs/BAPVs system is presented. And a multi-performance comprehensive monitoring and control system integrated both BIPVs and BAPVs is designed as well. It established an important system platform for further analysis of the interaction mechanism among the electrical performance, component reliability, and environmental adaptability of BIPVs particularly.


2014 ◽  
Vol 687-691 ◽  
pp. 18-21
Author(s):  
Li Qun Li

General aviation, is refers to the civil aviation activities that is used a civil aircraft engaged in outside of public air transport, including industry, agriculture, forestry, fisheries and homework flight of the construction industry and medical and health, disaster relief, meteorological observation, ocean monitoring, scientific experiment, education and training, culture and sports and other party and flight activities. Therefore, every airline is necessary to set up its own set of flight operation control system. This paper introduces the concept of flight operation control system, system structure and functions of each module, and is given flight operation control system application solutions; provide reference for improving the flight operation and management level in our country.


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