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1、毕业设计（论文）说明书课题名称： 自动往返电动小汽车 一、课题需要完成的任务：1.可行性方案分析及方案论述2.硬件的框图及电路设计3.软件的框图及软件编程设计4.传感器、显示器件、各主要器件、单元电路等的选用方案，性能分析及功能介绍。5.硬件电路的电路图、印制板6.软件的程序清单7.毕业设计小结课题计划：3.07-3.14 熟悉课题，可行性方案分析及方案论述3.15-3.18 初步方案设计，设计最佳方案3.19-4.10 设计电路，画原理图，印刷线路板图，编制程序验证部分硬件，学习使用专用软件编程4.11-4.20 实际调试，写毕业论文4.11-4.20 修改、完善毕业论文，并做答辩准备计划答
2、辩时间：4.21-4.29英文翻译 Automatic Transfer SwitchesAutomatic Transfer Switches are an integral part of the power generation process, allowing smooth and immediate transfer of electrical current between multiple sources and the load. When the generator is operating, the transfer switch prevents dangerous f
3、eedback of current to the utilitys system. It also ensures that different power sources are fully synchronized before their power is combined or loads are transferred, which is imperative for safe operation. The transfer switch senses when utility power is interrupted, and starts up the generator if
4、 the utility power remains absent. In about five to ten seconds, when the generator is producing full power, the transfer switch disconnects the load from the utility and connects it to the generator, restoring electricity to the load. The transfer switch continues to monitor utility power, and when
5、 it is restored, switches the load from the generator back to the utility. Once the generator is disconnected, it goes through a cool-down routine and is automatically shut down.Generac manufactures several types of transfer switches. Each kind operates in a different way, depending upon the require
6、ments of the overall system, and how the load is transferred between the different power sources. Transfer switch types include open transition, momentary closed transition, soft load closed transition, and bypass isolation.Generacs automatic transfer switches are designed to be simple to monitor, o
7、perate and maintain. All controls needed for daily use are conveniently located on the front door, where bright lamps indicate the switch position. All components are front adjustable and front removable for optimum serviceability. As an extra measure of safety and quality, Generacs transfer switche
8、s are UL Listed by Underwriters Laboratories for use in emergency power systems. They are also CSA certified by the Canadian Standards Association. Generacs expertise in the design and manufacture of automatic transfer switches (ATS) is considerable. The company has produced its own fully instrument
9、ed 100 to 2600 amp switches since 1983.Open transition transfer switches are the simplest kind, and are mechanically interlocked. They disconnect the load from one power source before making the connection to the other. Generacs closed transition transfer switches (CTTS) eliminate momentary power in
10、terruption when both sources are present and synchronized, by transferring the loads with an overlapping contact arrangement. The momentary closed transition switch transfers the power within one hundred milliseconds, which does not require utility protective relaying. The soft load closed transitio
11、n switch extends the overlap time to multiple seconds, for a smoother transition of load to the generator. These switches are available in 100 to 2600 amp configurations. There are many critical systems where interruption of power is not permitted, such as data transmission and hospital care. For th
12、ose requirements, Generac offers its bypass isolation switch (BIS), which is designed to meet the National Electrical Codes requirements for the inspection and/or maintenance of the automatic transfer switch without the need to interrupt or cut power.Generac transfer switches are carefully construct
13、ed and tested to assure superior performance. By combining them with Generacs own generators, Generac is able to offer a complete power generation package。TRANSFER SWITCHES / EXPRESS INSTALL KITThe best power generation equipment deserves the finest automatic transfer switches, and that is why we ma
14、nufacture our own. Each one is an integral part of our power systems, designed to match perfectly with our Generac generator. This device allows for a smooth transfer of electrical current between multiple sources and loads, automatically. The transfer switch senses the loss of utility power and aut
15、omatically starts up the generator, then transfers the load to it. When the power is restored, it switches the load back to the utility and shuts down the generator.For residential and light commercial applications, Generac offers standard UL Listed, remote-mounted 100 or 200 amp switches. On our ai
16、r-cooled models, we also offer our exclusive automatic transfer switch with a pre-wired built-in load center. This allows for up to 12 separate circuits to be easily connected to the main distribution panel. The transfer switch includes an Express Install Kit with pre-wired conduit for simpler installation and connection to the generator and main distribution panel. Bene
