7.1 Basic concepts on soft-switching 7.2 Classification of soft-switching- techniques 7.3 Typical soft-switching circuits and techniques

Applications of Inverters Conversion of electric power from DC type energy sources to AC type load -Battery Photovoltaic cell (Solar cell) Fuel cell +As a part of composite converter AC-DC-AC frequency converter(for AC motor drive) AC-DC-AC constant-voltage constant-frequency converter(for uninterruptable power supplies)

3.1 Basic DC to DC converters 3.1.1 Buck converter(Step-down converter) 3.1.2 Boost converter(Step-up converter) 3.1.3 Buck-Boost converter(Step-downstep-up converter)and Cuk converter 3.1.4 Sepic converter and Zeta converter 3.2 Composite DC/DC converters and connection of multiple DC/DC converters 3.2.1 A current-reversible chopper 3.2.2 Bridge chopper (H-bridge DC/DC converter) 3.2.3 Multi-phase multi-channel DC/DC converters

1.1 An introductory overview of power electronic devices 1.2 Uncontrolled device-power diode 1.3 Half-controlled device-thyristor 1.4 Typical fully-controlled devices 1.5 Other new power electronic devices 16Drive circuit for power electronic devices 1.7 Protection of power electronic devices 1.8 Series and parallel connections of power electronic devices

实验一 电路板 实验二 基尔霍夫定律 实验三 叠加定理及电位的测量 实验五 一阶动态电路 实验六 日光灯电路及功率因素的提高

一、了解并熟悉万用电表的基本原理及一般设计方法; 二、掌握电子电路的焊接装配工艺及调试方法; 三、学会正确使用万用电表

一、电阻的串联、并联和混联 二、基尔霍夫定律 三、叠加定律及电位的测量 四、戴维南定理 五、一阶电路实验 六、日光灯电路及功率因素的提高 七、三相交流电路

在样品管中溶液的深度由两个因子决定, 样品若超过一定高度,超过部分将会接收不到发射线圈发射的射频造成浪费; 若太低则样品与空气磁化率的不同造成界面磁化率突变会影响样品中磁场的均 匀性

一、超声波传感器 二、开放型

1.1工厂常用电器 1.2基本控制电路 1.3控制系统实例