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所在平台: Udemy |
课程主页: https://www.udemy.com/course/mastering-high-impedance-restricted-earth-fault-protection/
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课程名称：掌握高阻抗限制接地故障（REF）保护：高级技术 课程概述： 欢迎参加“掌握高阻抗限制接地故障（REF）保护”在线课程。本课程为电气工程师、保护专家及对高级保护继电器方案感兴趣的人员提供深入知识和实践见解，帮助保障电力系统安全。 培训师介绍： 您的培训师拥有超过21年的丰富经验，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及调试等领域。其经验包括发电厂、高压变电站及高压直流（HVDC）设施，与西门子沙特阿拉伯等知名机构合作，参与过20多个高压变电站项目，具备保护系统、变电站自动化系统、电力生成系统设计、测试及调试等广泛专业知识。 课程模块： 1. 介绍：了解限制接地故障（REF）保护的基本原则及其在电力系统中的重要性。 2. REF保护的操作：深入探讨REF保护的工作机制及其对地故障的快速响应。 3. REF保护的区内和区外操作：区分和理解区内与区外故障的不同，最大限度减少不必要的跳闸。 4. 为什么称为限制接地故障（REF）：理解REF这一术语的由来及其特征和应用限制。 5. 高阻抗与低阻抗REF保护：比较两者的优缺点与应用场景，为不同系统选择合适的方法。 6. 基于电流与电压的REF保护：探讨这两种保护方式的原理、优缺点及应用角色。 7. REF保护方案实例：分析实际案例与设计场景，了解REF保护的应用实践。 8. CT饱和：理解电流变压器（CT）饱和现象及其对REF保护的影响，并学习应对措施。 9. 稳定性要求：探讨影响REF保护方案稳定性的各种因素，确保保护方案的鲁棒性。 10. 继电器设置标准：了解REF继电器的设置参数及考虑因素，确保最佳性能与可靠检测。 学习成果： 课程结束后，参与者将： - 掌握高阻抗REF保护的原理与操作； - 区分区内与区外故障操作； - 理解限制接地故障的特征； - 比较与应用高阻抗与低阻抗REF保护方案； - 有效实施基于电流与电压的REF保护； - 分析实例并设计稳健的REF保护方案； - 缓解CT饱和对REF保护的影响； - 确保REF保护系统的稳定性与可靠性； - 准确配置继电器设置以实现最佳保护。
Welcome to "Mastering High Impedance Restricted Earth Fault (REF) Protection," an in-depth online course designed for electrical engineers, protection specialists, and anyone interested in advanced protective relay schemes. This course offers comprehensive knowledge and practical insights into REF protection, a critical aspect of safeguarding electrical power systems.Trainer Introduction:Your trainer brings over 21 years of rich 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.Course Modules:1. IntroductionGet an overview of Restricted Earth Fault (REF) protection and its significance in electrical power systems. Understand the basic principles and the importance of mastering this protection technique for ensuring system reliability and safety.2. Operation of REF ProtectionDelve into the operational mechanics of REF protection. Learn how it detects and responds to earth faults within a restricted zone, ensuring quick and accurate fault clearance.3. In-Zone and Out-of-Zone Operation of REF ProtectionExplore the distinctions between in-zone and out-of-zone operations. Understand how REF protection differentiates between faults occurring inside and outside the designated protection zone, minimizing unnecessary tripping and enhancing system stability.4. Why It Is Called Restricted Earth Fault (REF)Discover the rationale behind the term "Restricted Earth Fault." Learn about the specific characteristics and constraints that define this type of protection, highlighting its focused application within limited zones.5. High vs. Low Impedance REF ProtectionCompare high impedance and low impedance REF protection schemes. Understand the advantages, disadvantages, and application scenarios of each method, enabling you to choose the most suitable approach for different system requirements.6. Current and Voltage Based REF ProtectionExamine the differences between current-based and voltage-based REF protection. Gain insights into the principles, benefits, and challenges associated with each technique, and understand their roles in achieving reliable fault detection and isolation.7. REF Protection Scheme ExamplesStudy practical examples of REF protection schemes. Analyze real-world case studies and design scenarios to see how REF protection is implemented in various electrical systems, from simple configurations to complex networks.8. CT SaturationUnderstand the phenomenon of Current Transformer (CT) saturation and its impact on REF protection. Learn how to recognize and mitigate the effects of CT saturation to maintain accurate and dependable fault detection.9. Stability RequirementsExplore the stability requirements of REF protection schemes. Learn about the factors influencing stability, including CT performance, relay settings, and system configurations, ensuring your protection scheme remains robust under all operating conditions.10. Relay Setting CriteriaGain detailed knowledge on setting criteria for REF relays. Understand the parameters and considerations for accurate relay configuration, ensuring optimal performance and reliable fault detection.Learning Outcomes:By the end of this course, participants will:Master the principles and operation of high impedance REF protection.Differentiate between in-zone and out-of-zone fault operations.Understand the specific characteristics of restricted earth faults.Compare and apply high impedance vs. low impedance REF protection schemes.Implement current and voltage-based REF protection effectively.Analyze practical examples and design robust REF protection schemes.Mitigate the effects of CT saturation on REF protection.Ensure stability and reliability in REF protection systems.Configure relay settings accurately for optimal protection.
