8.1间接交流变流电路 8.2间接直流变流电路

L Electrically Isolated Package 5500A Pressure Contact Construction T(AV)(per arm) 190A International Standard Footprint 3000v Alumina(non-toxic)Isolation Medium

Patented free-floating silicon technology Low on-state and switching losses Designed for traction, energy and industrial applications Optimum power handling capability Blocking

Patented free-floating silicon technology Low on-state and switching losses Optimized for use as freewheeling diode in GTo converters Standard press-pack housing, hermetically cold-welded Cosmic radiation withstand rating

Local or remote control Microprocessor controlled RS-232/RS-485 CAN Complete diode laser control Affordably priced and monitoring solution Air or water cooling( specify)

MITSUBISHI FAST RECOVERY DIODE MODULE RM400DY665 HIGH POWER SWITCHING USE HVDi(High Voltage Diode) Module INSULATED TYPE

External dimensions(Unit: mm) High frequency rectification （1)Small power mold type(PMDS) （2) Ultra low VF （3)Very fast recovery

6.1 直流斩波电路(DC－DC) 6.2 自换流整流电路 6.3 逆变电路（DC－AC）

1SR154400/1sR154-600 Diodes Rectifier diode 1SR154400/1sR154600 EXternal dimensions(Units: mm) （1)General purpose rectification （2) Surge absorption

辛亥革命时期 1882年上海电气公司开业后,随着1890年八国 联军的入侵,上海、汉口、天津、广州、北京,以 及东北等租界相继开办了一些以解决照明为主的公 用电业。同年华裔商人成立广州电灯公司,开始了 民族资本创办电力的历史。1904年比利时商人与北 洋军阀在天津签约成立了电车电灯公司,并于1906 年开始了中国交流电的历史。到1911年,全国发电 装机容量才有27万KW,有电的地方仅是上海、广 州、北京、香港、等中心城市和租界内,中国电力 工业处于刚刚起步的幼芽状态