本书以《国家职业技能标准——电工》为依据，紧紧围绕“以柬埔寨实际国情，面向高校、社会和企业需求为导向，以职业能力为核心”的理念进行编写。本书每个模块内容包含维修电工理论知识和实践操作内容。其中理论部分以理论串讲的形式，从国家职业资格考试的考核点出发，辅以典型例题精析，使读者摆脱了看书抓不到重点、理解不到位的困境。实践操作部分以先进的实训设备为操作平台，展示了典型案例的实践过程，可达到实战演练的效果，锻炼学生的动手能力。本书力求突出职业技能培训特色，满足职业技能培训与鉴定考核的需要。
Module 1 Maintenance and troubleshooting of common electrical control circuits
【 General Introduction】
【Training Objectives】
【Training Requirements 】
【 Work Tasks】
Task 1 Maintenance and troubleshooting of common faults in the electrical control circuit of CA6140 lathe
Task 2 Maintenance and troubleshooting of common faults in the electric control circuit of electric hoist
Task 3 Maintenance and troubleshooting of common faults in the electrical control circuit of M7120 surface grinder
【Extended Practices】
Exercise 1 Maintenance and troubleshooting of Z3050 radial drilling machine circuit
Module 2 Comprehensive training of power electronic circuit technology
【General Introduction 】
【Training Objectives】
【Training Requirements】
【 Work Tasks】
Task 1 Comprehensive training of three-phase bridge-type fully-controlled rectifier circuit
Task 2 Comprehensive training of three-phase AC voltage regulating circuit
Task 3 Comprehensive training of PWM controlled switching regulated power supply
【Extended Practices 】
Exercise 1 Comprehensive training of BJT single-phase parallel inverter circuit
Exercise 2 Comprehensive training of given integral circuit
Module 3 Comprehensive training of electric drive system
【General Introduction】
【Training Objectives】
【Training Requirements】
【Work Tasks】
Task 1 Basic training of fast speed regulation of MM420 inverter
Task 2 Basic training of multi-stage speed regulation of MM420 inverter
Task 3 Training of analog smooth speed regulation of MM420 inverter
【Extended Practices】
Exercise 1 Motor start-stop operation training based on PLC and inverter
Exercise 2 Based on PLC, inverter motor forward and reverse running training
Module 4 Comprehensive training of programmable logic control system
【General Introduction】
【Training Objectives 】
【Training Requirements】
【Work Tasks】
Task 1 Programming and debugging of automatic feeding and loading control system
Task 2 Programming and debugging of traffic light automatic control system
Task 3 Programming and debugging of four-floor elevator control system
【Extended Practices 】
Exercise 1 Programming and debugging of tower light control system
Exercise 2 Programming and debugging of fully automatic washing machine control system
Module 5 Programming and debugging of YL-335B automatic production line
【 General Introduction 】
【Training Objectives】
【Training Requirements】
【Work Tasks】
Task 1 Programming and debugging of feeding unit control system
Task 2 Programming and debugging of processing unit control system
Task 3 Programming and debugging of assembly unit control system
【Extended Practices】
Exercise 1 Programming and debugging of the sorting unit control system
Appendix
Appendix 1 Training standards for advanced skills of electricians
Appendix 2 Question bank of electronics for advanced level (with answers)
Reference
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