Mr Calais and control the process of technical help audi to achieve energy saving

Audi co. , LTD has been put emphasis on energy conservation environmental protection, so in the past few years, the production plant for gore Mr Eberstadt, the company has significantly reduced the production energy consumption of each car. From Mr Calais and control the process of technology contributed to this. By 2020, the audi company goal is to plant compared to carbon dioxide emissions in 1990 by 30%. Therefore, in the production and supply of energy efficiency is particularly important in the system. In recent 20 years, the Calais process control system ( 个人电脑) And the programmable controller ( PLC controller） Technology has for the outstanding automobile manufacturers to provide a sufficient supply of system support, from mission control, resource optimization to cost savings, thus helps the audi to achieve its ambitious environmental targets. Company headquarters is located in the for gore Tuesday, at the same time, it is also the biggest audi factory production, installation as early as in 1990 the first batch of bei Calais controller. Limited to the ventilation system at first, but now Mr Calais technology for almost all types of supply system, and ensure the stability of the closed-loop control. About 1400 to more than 2 million square meters of bei Calais system ensures that the audi headquarters to provide electricity, gas, water, drinking water, ventilation and air conditioning industry. 'Supply devices include compressed air cooling system, heating pipelines and district heating system and other complex systems. In many cases, these systems will have indirect effect on production, 'audi, head of the power supply and PLS technology Anton Hagl said. 'A lot of measures to reduce energy consumption is based on the optimization of system operation. Solution, therefore, you need to perform a custom control concept, 'Siegfried Weitkunat explained that he and his colleagues Thomas Pitzl responsible for building control system with more than 160000 data points. By using from Mr Calais APROL process control system, the difficult task much easier, audi started at 1997 because of ingolstadt Tate has installed the control system. Beyond the energy-saving target system is the core of gathering all the global server information, using bei Calais operator station can run all the visualization application software of the system, and the equipment also can replace alarm processing and further processing. 'The advantage of the control system is, in a single system, we can get at least 98% of the supply of technology, so you can record and analyze the complex relation of all system. In addition, it targeted to reduce the demand for electricity, such as closing unnecessary devices, 'Siegfried Weitkunat explained. 'The advantage of the control system is, in a single system, we can get at least 98% of the supply of technology, so you can record and analyze the complex relation of all system. 'With the help of Calais PCS and PLC controller technology, especially for compressed air, according to the need to compressed air can greatly improve energy efficiency. By 25 air compressor compressed air controller installation, audi has 12. 5% of the energy conservation as the goal. Distribution of air compressor for more than 20 kilometers, in 6 bar and 12 bar network with a total of 95000 m3 and 24000 m3 air. As part of the APROL project, self-sufficient controller can perform for each compressed air centre strict control tasks. The main controller to determine which compressor need to use the current pressure and flow rate, and meet the needs of suitable compressed air center in accordance with the relevant provisions. At the same time, according to the load distribution of each site stress levels, thereby minimizing losses. Operation of the turbo compressor through continuous adjustment value to ensure the optimization of energy efficiency. The system can make the company even beyond the original goals. On-demand cooling task is to use Mr Calais control technology significantly improve energy efficiency and on the other hand. Expanding the scale of the cooling system for years, audi to set up a new energy center, will bei Calais existing products focused on a APROL system controller. The refrigerating capacity of the refrigeration unit about 30 mw, and can be based on the special control concept of the audi design according to the need to control. Multiple redundancy and other measures to ensure a high level of availability. 'The performance of the controller is absolutely reliable, audi's employees repeatedly confirmed that in the process of using, rarely CPU or magnetic card error,' Siegfried Weitkunat statements. Mr Calais the confidence of the reliability of solution set for audi is also obvious, they also said in other aspects of the technical requirements satisfied, such as building heating system, ventilation system, the network pumps and the auxiliary system. APROL system equipped with redundant servers and 15 operator station, open loop control for heating systems. In order to minimize the external influence, the Calais has also developed a self-sufficient redundant optical fiber ring network. Other standard field visualization system functions is limited, instead, the graphical APROL control terminal, it has the function of redundancy and high reliability. In this way, the system operators can fully control the APROL control system. APROL integrated local area network (LAN) this is another advantage of APROL network. All control and visualization technology can be incorporated in the audi company local area network (LAN). Using a static IP address unable to realize the network data transmission, replaced by the IP address of the allocated dynamically. In order to meet the different needs of all office and automation applications, the IT department defines additional boundary conditions in advance.
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