 Wysłany: Pią 23:28, 03 Gru 2010 Temat postu: moncler jacken Appliance power inverter module dev |
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Appliance power inverter module development status and trends Requirements forced the change in frequency power module design ideas to further improve integration and provide more convenient to use. IGBT of continuous improvement, and in particular anti-wheeling diodes Package with 1GBT one of the Co-pakIGBT the emergence and maturity. Makes it easier for the driver inverter bridge (voltage drive), more user-friendly, followed by efficiency, so that miniaturization is possible. The drive power devices has been the concern of power electronics workers, from a certain degree,tory burch, and even determine the way of the power module design and performance. The question has also experienced a current drive to the voltage drive. L evening outdoor fan control atrophy reputation thanks to mushroom around 1http: / / www. stheacoolcn photoelectric conversion to the high-voltage IC (HVIC) all stages of development. Drive power declining, the volume substantially reduced, a higher switching frequency, it may be driven into the power module. Especially the way the drive HVIC technology. Make a qualitative leap in drive technology. Speed in the Chong Zhuo minor merits quickly become the most important with the development. HVIC's main features are: a single power supply (must be 4 optocoupler isolated power supply) can be further simplified switching power supply design; temperature drift is small, the delay time in line with Taiwan C0 a pakIGBT, the inverter bridge design is more convenient and concise; digital control interface, direct depression MCU or DSP, MCU or DSP modules for the entire pave the way; auxiliary dead-time inserted to drive Sunburn voltage protection, over-current protection and other functions, to further simplify the power module protection circuit design; high frequency and small size, conforms to the performance requirements of the development of frequency visible appliances of modern power electronics technology, to include the rectifier, inverter, driver protection and system control, and even crossing the switching power supply, etc. Market \The power module provides the technical feasibility of the design of more complex power conversion circuit / system for the user. Just a simple device. \4 Conclusion visible System-On-Module \I believe it will be the fifth generation of the main features of the power module. (bats Series ZhangLili) 1 Introduction cookers is a theory of electromagnetic induction heating of cooking food, it has a higher education, energy security is good, accurate temperature control and sanitation and so on. energy directly controlled by a diode rectifier cookers. absorb energy from the power grid for heating food, there is low power mesh, there are disadvantages such as harmonic pollution,p90x workout schedule, and easy for other household electrical appliances such as televisions, player, such as causing interference; the other hand, relatively low thermal efficiency, the volume is large. to modern power electronics technology applied to new achievements in domestic induction cooker, you can make it more obvious benefits, highlighting the advantages of induction cooker, In this paper,tory burch flip flops, the integrated power factor correction technology for induction cooker, gives control system design and calculation parameters are the United States. Finally, the electrical control system schematic. 2 cookers principle and control system design 21 cookers the basic principles outlined cookers Results dig the pot, stove tops and induction heating coil has three major components. frequency AC voltage by the rectified into DC, but also by high-frequency power conversion device that transforms into ultra-high frequency DC high-frequency alternating current, the high-frequency alternating current added to the flat hollow spiral induction heating coil to generate high-frequency alternating magnetic field. The magnetic field lines through the ceramic cooking plate acting on the metal cooking pot, cooking pot inside for the power to generate strong magnetic vortex, resulting in Joule heating, ie, a cooking heat source. In fact, high-frequency induction cooker in the electromagnetic phenomena that occur, and with similar air gap of the transformer, excitation transformer primary coil winding equivalent. cooking pot is equivalent to the transformer secondary coil, the stove control board is the transformer air-gap 2.2 22.1 High-frequency transducer system main circuit of the main circuit to complete high-frequency transducer to transform electrical energy to thermal energy. In this paper, to force oscillator type power conversion circuit,uggs sale, as shown in Figure l. map vL ~ VL bridge inverter circuit composed of high-frequency, L for the transducer coil cookers. MSC60o28 constituted by the Boost-type unity power factor conversion circuit to the V First, the composition of the high-frequency inverter bridge output power 2.2.2 Design of High Power Factor Rectifier Circuit cookers in order to reduce interference to other appliances, as far as possible high-frequency transducer Figure 1 Schematic of main circuit More articles related to topics： ghd haarglätter 标准计量管理信息系统_683 moncler doudoune New Dual Temperature can be conve ghd deutschland 瓦形铁氧体磁钢与薄壁磁轭固持问题_4 |
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