he World's Largest-Capacity 8kV/3.6kA Light-Triggered Thyristor by Katsumi sato* Mitsubishi Electric has developed an 8kV/3.6kA light-triggered thyristor (LTT) based on a six inch wafer for power-converter applications in igh-voltage DC transmission and back-to-back systems. New design features give the device

DoC. No. 5SYA1036-03 Sep Two thyristors integrated into one wafer Patented free-floating silicon technology Designed for traction, energy and industrial applications Optimum power handling capability Interdigitated amplifying gate The electrical and thermal data are valid for one thyristor half of the device

4.1 电子商务系统整体框架 4.2 电子商务系统的运营 4.3 电子商务系统的建设

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

2.1 Single-phase controlled rectifier 2.2 2 Three-phase- controlled rectifier 2.3 Effect of transformer leakage inductance on rectifier circuits 2.4 Capacitor-filtered uncontrolled rectifier 2.5Harmonics and power factor of rectifier circuits 2.6 High power controlled rectifier 2.7 Inverter mode operation of rectifier circuit 2.8 Thyristor-DC motor system 2.9 Realization of phase-control in rectifier circuits

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)

1．怠速控制系统；发动机的排放控制系统；进气与增压控制系统； 2．电动燃油泵的控制；安全保险功能与备用系统

1.日本丰田系列发动机集中控制系统的组成、结构、工作原理及其检修； 2. 一汽大众捷达 Motronic M3．8．2 电控系统的组成、结构及其工作原理； 3.北京切诺基 2．5L、4．0L 发动机控制系统的组成、结构、工作原理及其检修

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 传感器概述 2 金属温度传感器 3 热电偶 4 热敏电阻 5 霍尔传感器 6 磁阻传感器* 7 电场测量探头* 8 电涡流传感器* 9 压电传感器 10 光电传感器 11 电容式传感器 12 电感式传感器 13 差动传感器与测量电桥