3512 发电机组-1GZ.pdf

3500 Engine Training 屠海峰 haifeng.tu@ 3512 发电机组 油田澎湃动力来自… CATERPILLAR 3500B Electronically Controlled Engine Motor Management The E.C.M. System 3500B M.E.U.I. The Backup E.C.M. H.E.U.I. E.T. Menu The Sensors Communication ©MB2001 M.E.U.I. • Mechanically Actuated 机械执行 • Electronically Controlled 电子控制 • Unit 单元 • Injector 喷油器 ©MB2001 Mechanically Mechanically Actuated Actuated 机械执行 机械执行 Electronically Mechanically Controlled Controlled 电子控制 机械控制 Cat 3500 MEUI Cat 3500 MUI Pump Lines fuel system limitations 泵与燃油管路系统局限性 • Mechanically controlled injection timing and duration 机械控制喷油正时和持续时间 • Rely on high injection pressure to control emissions 依靠高的喷射压力控制喷射 • 1170 Bar(17,000 psi) is about maximum 1170 巴(17,000psi)大约是最大值 • External, high pressure lines are the w