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所在平台: Udemy |
课程主页: https://www.udemy.com/course/high-impedance-restricted-earth-fault-protection-calculation/
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课程名称：掌握限制接地故障（REF）保护：高级计算 概述：欢迎参加“掌握限制接地故障（REF）保护的计算”课程，本课程针对电气工程师、保护专家及参与保护继电器系统设计、实施与维护的技术专业人士，提供深度的REF保护计算和原理理解，确保您具备提高系统可靠性和安全性的专业知识。 培训师介绍：您的培训师拥有超过21年的丰富经验，涉及运营与维护、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。他的背景涵盖电厂、高压变电站以及高压直流（HVDC）设施，曾在西门子沙特阿拉伯等知名企业工作，参与了超过20个巴基斯坦和沙特阿拉伯的高压变电站项目。培训师的专长包括保护系统、变电站自动化系统、电力发生系统的设计、测试和调试、高压开关设备、保护继电器及控制方案的实施，具备领导工业客户（包括钢铁和石化行业）电气基础设施项目测试和调试团队的成功经验。 课程模块： 1. 介绍：了解限制接地故障（REF）保护及其在电力系统中的重要性，准确计算的重要性。 2. 差动保护是什么？：学习差动保护的基本原理及其在特定区域内检测故障的角色。 3. 高阻与低阻差动保护的区别：探讨这两种保护方案的关键差异及其应用、优势和局限性。 4. 基本REF方案：了解REF保护方案的组成及配置，如何实现可靠的故障检测与隔离。 5. CT数据采集：掌握准确的电流变压器（CT）数据收集的重要性，并学习采集必要CT信息的方法。 6. CT的要求：深入了解用于REF保护的CT特定要求及影响CT性能和保护准确性的关键参数。 7. CT类别要求：了解各种CT类别及其对REF保护的相关性，学习如何选择适合的CT类别。 8. 稳定REF保护的条件：探索实现稳定REF保护所需的条件，保证保护方案在不同运行条件下的稳健性。 9. 操作电流计算：学习如何计算REF保护的操作电流，掌握相关原理和公式。 10. 稳定电压计算：了解稳定电压在REF保护中的重要性，学习如何计算以确保保护方案的稳定性。 11. 稳定电阻计算：发现稳定电阻在REF保护方案中的作用，学习其计算方法以提升保护的稳定性和性能。 12. Metrosil计算：了解Metrosil（非线性电阻）在REF保护中的功能，学习如何计算和选择合适的Metrosil，以保护CT免受高瞬态电压影响。 学习成果：完成本课程后，参与者将能够： - 掌握限制接地故障（REF）保护的计算和原理。 - 理解高低阻差动保护的基本原理和差异。 - 设计和实施基本的REF保护方案。 - 收集和分析必要的电流变压器（CT）数据。 - 确保CT满足必要要求并选择相应CT类别。 - 确定并维护稳定REF保护所需条件。 - 计算操作电流、稳定电压、稳定电阻和Metrosil，实现有效的REF保护。 目标受众：本课程非常适合以下人群： - 电气工程师 - 保护与控制工程师 - 变电站和电力系统设计师 - 维护工程师 - 技术顾问 - 任何参与保护继电器系统设计、实施和维护的人员 立即注册，掌握限制接地故障保护的计算技术，确保电力系统的安全与可靠性。
Welcome to "Mastering Calculations of Restricted Earth Fault (REF) Protection," an advanced online course tailored for electrical engineers, protection specialists, and technical professionals involved in the design, implementation, and maintenance of protective relay systems. This course provides an in-depth understanding of the calculations and principles underlying REF protection, ensuring you have the expertise to enhance system reliability and safety.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. IntroductionBegin with an overview of Restricted Earth Fault (REF) protection, its significance in electrical power systems, and the importance of accurate calculations to ensure effective protection.2. What is Differential Protection?Learn about the fundamentals of differential protection, its role in detecting faults within a specified zone, and how it differs from other types of protection schemes.3. Differences Between High and Low Impedance Differential ProtectionExplore the key differences between high impedance and low impedance differential protection schemes, including their applications, advantages, and limitations.4. Basic REF SchemeUnderstand the components and configuration of a basic REF protection scheme. Learn how these elements work together to provide reliable fault detection and isolation.5. Collection of CT DataDiscover the importance of accurate Current Transformer (CT) data collection. Learn the methods for gathering essential CT information required for REF protection calculations.6. Current Transformer RequirementsDelve into the specific requirements for CTs used in REF protection. Understand the critical parameters and characteristics that influence CT performance and protection accuracy.7. CT Class RequirementsGain insights into the various CT classes and their relevance to REF protection. Learn how to select the appropriate CT class to meet the protection scheme's requirements.8. Conditions for Stable REF ProtectionExplore the conditions necessary for achieving stable REF protection. Understand the factors that influence stability and how to ensure your protection scheme remains robust under different operating conditions.9. Calculation of Operating CurrentLearn how to calculate the operating current for REF protection. Understand the principles and formulas used to determine the appropriate operating current for reliable fault detection.10. Calculation of Stability VoltageUnderstand the importance of stability voltage in REF protection. Learn how to calculate stability voltage to ensure the protection scheme remains stable and avoids unnecessary tripping.11. Calculation of Stabilizing ResistorDiscover the role of the stabilizing resistor in REF protection schemes. Learn how to calculate the value of the stabilizing resistor to enhance protection stability and performance.12. Calculation of MetrosilUnderstand the function of Metrosil (a nonlinear resistor) in REF protection. Learn how to calculate and select the appropriate Metrosil to protect CTs from high transient voltages and ensure accurate operation of the protection scheme.Learning Outcomes:By the end of this course, participants will:Master the calculations and principles of Restricted Earth Fault (REF) protection.Understand the fundamentals and differences between high and low impedance differential protection.Design and implement a basic REF protection scheme.Collect and analyze essential Current Transformer (CT) data.Ensure CTs meet the necessary requirements and select the appropriate CT class.Identify and maintain the conditions for stable REF protection.Calculate operating current, stability voltage, stabilizing resistor, and Metrosil for effective REF protection.Target Audience:This course is ideal for:Electrical engineersProtection and control engineersSubstation and power system designersMaintenance engineersTechnical consultantsAnyone involved in the design, implementation, and maintenance of protective relay systemsEnroll now and gain the expertise to master the calculations of Restricted Earth Fault Protection, ensuring the safety and reliability of electrical power systems.
