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所在平台: Udemy |
课程主页: https://www.udemy.com/course/mastering-schematics-electrical-drawings-episode-4/
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课程名称：掌握电气图纸 第四集 课程概述： 本课程由一位拥有超过21年经验的培训师主讲，涵盖操作与维护、安装、测试、项目管理、咨询、监督、变电站自动化、SCADA及调试等多个领域。培训师曾在西门子沙特阿拉伯工作，参与了20多个高压变电站项目，专注于保护系统、变电站自动化系统、电力生成系统及高压开关设备的设计、测试与调试。该课程旨在帮助学生深入理解电气图纸和控制电路的基本概念及其应用。 课程内容： 1. **开关和按钮的理解**： - 定义常开（NO）和常闭（NC）接点及其在电路设计中的重要性。 - 讨论各种类型的开关和按钮，包括瞬时型和锁定型。 - 使用仿真软件演示开关和按钮在不同电路配置中的行为。 - 结合实际案例讲解开关和按钮在控制电路中的应用。 2. **双稳态继电器**： - 详细解释双稳态继电器的工作原理及其在断电后保持状态的能力。 - 利用仿真软件模拟双稳态继电器电路，展示其在内存电路或切换开关中的应用。 3. **阶梯继电器及其操作**： - 介绍阶梯继电器在电路中控制顺序操作的作用。 - 通过实例展示阶梯继电器的应用，指导学生创建和分析阶梯继电器电路。 4. **定时器电路**： - 概述定时器在自动化和控制系统中的重要性，区别开延时和关延时定时器的功能。 - 设计定时器电路并展示真实应用中的案例。 5. **保持电路（Seal-In Circuit）**： - 定义保持电路及其在保持电路连续性中的目的。 - 讨论保持电路的不同配置，使用仿真软件展示其在实际应用中的行为。 6. **直流电动机控制电路**： - 概述直流电动机控制技术，包括速度和方向控制。 - 指导学生使用软件设计人工模拟直流电动机控制电路。 7. **使用阶梯继电器的直流电动机控制电路**： - 将阶梯继电器和直流电动机控制结合，设计复杂控制系统。 - 提供实操仿真练习让学生设计和分析相应电路。 8. **直流MCB状态监控与直流供电监控**： - 讨论监控直流电路的重要性，解释监控直流断路器状态的方法。 - 演示设计 DC供电监控电路以检测故障或异常状况的过程。 课程过程中强调积极参与，通过互动仿真、实操练习和实际案例促进学习，并提供补充材料以支持更深入的理解与自主学习。
Trainer Introduction:Your trainer brings over 21 years of experience in operation & maintenance, erection, testing, project management, consultancy, supervision, substation automation, SCADA, and commissioning. With a background spanning power plants, high voltage substations, and HVDC installations, he has worked with renowned organizations such as Siemens Saudi Arabia. He has been involved in over 20 high-voltage substation projects across Pakistan and Saudi Arabia.His expertise encompasses a wide range of areas including protection systems, substation automation systems, design, testing, and commissioning of power generation systems, high voltage switchgear, protection relays, and control schemes. He has a proven track record of leading testing and commissioning teams for implementing electrical infrastructure projects for industrial clients, including steel and petrochemical industries.Find below the course contents.Understanding Switches and Push Buttons:Define normally open (NO) and normally closed (NC) contacts and their significance in circuit design.Discuss different types of switches and push buttons, including momentary and latching types.Use simulation software to demonstrate the behavior of switches and push buttons in various circuit configurations, such as series and parallel connections.Include real-world examples to illustrate the practical applications of switches and push buttons in control circuits.Bistable or Latch Relay:Provide a detailed explanation of bistable relays, also known as latching relays, and their operation.Describe how bistable relays maintain their state even after power is removed.Utilize simulation software to simulate bistable relay circuits and demonstrate how they can be used in practical applications such as memory circuits or toggle switches.Offer troubleshooting tips and common issues associated with bistable relays.Step Relay and its Operation:Introduce step relays and their role in controlling sequential operations in circuits.Explain the principle of operation for step relays, including how they advance through multiple positions.Provide examples of applications where step relays are used, such as conveyor belt control or machine sequencing.Guide students through simulation exercises to create and analyze step relay circuits, highlighting the sequential nature of their operation.Timer Circuits:Start with an overview of timers and their importance in automation and control systems.Differentiate between on-delay and off-delay timers, explaining their respective functions and applications.Demonstrate how to design timer circuits using simulation software, including setting time intervals and adjusting parameters.Showcase real-world examples where timer circuits are used for tasks such as lighting control or motor sequencing.Seal-In Circuit:Define seal-in circuits and their purpose in maintaining circuit continuity or latching relay states.Discuss different configurations of seal-in circuits, such as feedback loops or holding circuits.Use simulation software to illustrate the behavior of seal-in circuits in practical applications, emphasizing their role in maintaining system stability.Address common challenges and troubleshooting techniques for seal-in circuits.DC Motor Control Circuits:Provide an overview of DC motor control techniques, including speed control and direction control.Explain the components of a basic DC motor control circuit, such as relays, switches, and motor drivers.Guide students through the design and simulation of DC motor control circuits using software, demonstrating how to vary speed and direction.Showcase examples of real-world applications where DC motor control circuits are used, such as robotic systems or industrial automation.DC Motor Control Circuit Using Step Relay:Combine the concepts of step relays and DC motor control to create more complex control systems.Explain how step relays can be integrated into DC motor control circuits to achieve sequential operations or multi-step processes.Provide hands-on simulation exercises where students design and analyze DC motor control circuits incorporating step relays.Encourage experimentation with different configurations and parameters to understand the impact on circuit performance.DC MCB Status Supervision & DC Supply Supervision:Discuss the importance of monitoring and supervising DC circuits for safety and reliability.Explain methods for supervising the status of DC circuit breakers (MCBs), such as current sensing or voltage monitoring.Demonstrate how to design and simulate DC supply supervision circuits to detect faults or deviations from normal operating conditions.Provide case studies or examples of critical applications where DC supply supervision is essential, such as battery management systems or renewable energy systems.Throughout the course, encourage active participation from students through interactive simulations, hands-on exercises, and real-world examples. Additionally, offer supplementary materials such as textbooks, articles, or online resources to support deeper understanding and self-directed learning.
