The 2014 China International Conference on Power Supply opened in Shenzhen, Guangdong. The theme of this session is "Smart Power Supply and Sustainable Innovation." Chairman of the conference, Chairman of the China Electrical Engineering Society, deputy general manager of the State Grid Corporation of China, deputy general manager of China Southern Power Grid Corporation and Antonio Cammarota, president of the Italian National Committee of the International Conference on Power Supply (CIRED), addressed the opening ceremony. Chairman of the Organizing Committee of the China International Conference on Power Supply (CICED) 2014 and Vice Chairman and Secretary-General of the China Society for Electrical Engineering Xie Liang presided over the opening ceremony. It is reported that during the conference, a cross-strait smart grid standard technology seminar and international power distribution automation construction seminar will be held.
At the meeting, experts analyzed major changes in the current global energy landscape and their profound impact on the world's power grid and power supply technologies. He said that in the new round of energy reforms, the direction is low carbonization, the focus is on new energy, the key is energy substitution, and the basic platform is a smart grid. In recent years, China has accelerated the development of smart grids, and has carried out a great deal of work in areas such as theoretical research, standard formulation, technological innovation, equipment development, engineering construction, operation management, and experimental capabilities. It has promoted the large-scale development of new energy and vigorously promoted the replacement of electrical energy. The construction of a strong smart grid has achieved remarkable results.
Delegates stressed that strengthening international exchanges and cooperation in the frontier field of the smart grid, promoting the transformation of global energy transformation and promoting the sustainable development of human society are our common choices. The CIRED China National Committee will uphold the principles of openness, innovation, cooperation, and win-win cooperation, strengthen close cooperation with international organizations, and make active contributions to the innovation and development of the global smart grid.
Wang Liangyou pointed out that with the economic development and changes in the international environmental situation, in order to increase the use of clean energy, reduce energy consumption, increase power supply reliability and better serve customers, it is urgent to promote the development of smart grid technology. Antonio Cammarota, on behalf of the International Conference on Power Supply, fully affirmed the efforts and contributions made by the National Committee of China since the establishment of the International Conference on Power Supply in Asia.
After the opening ceremony, Klaus Frohlich, chairman of the International Large Grid Conference (CIGRE), Wang Yimin, deputy chief engineer of the State Grid Corporation of China, Yu Jianguo, deputy chief engineer of the China Southern Power Grid Corporation, director of the Ministry of Science and Technology, and president of the grid company of Tokyo Electric Power Co. Keynote report. It is understood that six technical discussions will be held during the conference, and related experts will focus on the application of big data in distribution networks, DC power distribution technology, short-term power outage measures and governance, smart power supply and efficient energy use, Active power distribution network protection and control technology, micro-grid technology development and engineering demonstration and other topics exchanged.
A plate rolling machine is a machine that will roll different kinds of metal sheet into a round or conical shape. It can be also called a [roll bending machine", [plate bending machine" or [rolling machine".
There are different kinds of technology to roll the metal plate:
Four-roller machines have a top roll, the pinching roll, and two side rolls.
The flat metal plate is placed in the machine on either side and "pre-bent" on the same side. The side rolls do the work of bending. The pinching roll holds the plate.
Three-roller machines (variable pitch aka variable geometry) have one pressing top roll and two pressing side rolls.
The three-roll variable pitch works by having all three rolls able to move and tilt. The top roll moves in the vertical plane and the side rolls move on the horizontal plane. When rolling, the top roll presses the metal plate between the two side rolls. The advantage of having the variable three roll is the ability to roll many thicknesses and diameters of cylinders.
For example; The side-rolls are what produce the mechanical advantage. With the side rolls all the way open, one has the maximum mechanical advantage. With the side rolls all the way in, you have the least mechanical advantage. So, a machine has the capability of rolling 2-inch-thick material with the maximum mechanical advantage, but a job is only 1/2 inch thick. Reduce the mechanical advantage and one has a machine that can roll from 1/2 to 2 inches thick.A plate rolling machine is a machine that will roll different kinds of metal sheet into a round or conical shape. It can be also called a [roll bending machine", [plate bending machine" or [rolling machine".
There are different kinds of technology to roll the metal plate:
.Four-roller machines have a top roll, the pinching roll, and two side rolls.
The flat metal plate is placed in the machine on either side and "pre-bent" on the same side. The side rolls do the work of bending. The pinching roll holds the plate.
.Three-roller machines (variable pitch aka variable geometry) have one pressing top roll and two pressing side rolls.
The three-roll variable pitch works by having all three rolls able to move and tilt. The top roll moves in the vertical plane and the side rolls move on the horizontal plane. When rolling, the top roll presses the metal plate between the two side rolls. The advantage of having the variable three roll is the ability to roll many thicknesses and diameters of cylinders.
For example; The side-rolls are what produce the mechanical advantage. With the side rolls all the way open, one has the maximum mechanical advantage. With the side rolls all the way in, you have the least mechanical advantage. So, a machine has the capability of rolling 2-inch-thick material with the maximum mechanical advantage, but a job is only 1/2 inch thick. Reduce the mechanical advantage and one has a machine that can roll from 1/2 to 2 inches thick.
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