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所在平台: Udemy |
课程主页: https://www.udemy.com/course/mastering-distance-protection-in-transmission-systems/
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课程名称：掌握输电系统中的距离保护 课程概述： 《掌握距离保护》是一门旨在提升工程师、技术人员和电力系统专业人士在距离保护领域的专业知识与技能的全面在线课程。该课程涵盖从基础到高阶的继电器设置、协调和故障分析，帮助学员有效实施和排障距离保护方案。 课程重点： 距离保护是输电系统保护中最关键的方案之一，它基于阻抗测量提供快速且选择性的故障清除，确保电网可靠运行。本课程将带领学员学习： - 距离保护的原理，包括阻抗继电器、R/X图和故障阻抗计算。 - 电流互感器(CT)和电压互感器(VT)的基础知识及其对距离继电器性能的影响。 - 继电器特征区（Z1、Z2、Z3、偏置区）及其正确设置。 - 负载侵入、功率摆动、互耦合和零序补偿。 - 现代继电器特征，如自适应继电、导线保护、开关故障逻辑和通信辅助跳闸。 - 通过实际案例研究帮助学员在变电站保护系统中应用所学知识。 学习内容： - **模块1：距离保护基础** 距离保护的工作原理、阻抗继电器与R/X图的理解、距离保护与过电流保护的需求、故障电流计算与阻抗测量。 - **模块2：距离继电器中的CT与VT** 保护与计量CT的互换性、CT星点分配的影响、VT配置和二次电路的考虑。 - **模块3：传输线参数及其对距离保护的影响** 电阻(R)、电感(L)和电容(C)效应、主与次阻抗计算、零序补偿和互耦合效应。 - **模块4：距离保护中的继电器区和特性** 如何形成Z1、Z2和Z3及其达距设置、继电器特征角(RCA)和极化量、不同的继电器特性：Mho、四边形、多边形。 - **模块5：高级距离继电器功能与设置** 负载侵入及其对继电器性能的影响、弧电阻及其对阻抗测量的影响、开关故障逻辑(SOTF)与断路器维持时间、VT MCB跳闸逻辑与保险丝故障继电器功能。 - **模块6：保护协调与备份方案** 区域重叠与备份保护策略、导线保护方案(POTT、DCB、直接转移跳闸)、支路保护与母线距离保护。 - **模块7：功率摆动与失步保护** 在距离继电器中检测功率摆动、阻抗盲区与变化率测量、失步跳闸与不稳定功率摆动阻断。 - **模块8：距离保护中的通信** 电力线载波(PLC)、微波和光纤通信、方向比较与距离继电器中的区加速。 适合人群： - 保护工程师与电力系统专业人士 - 变电站设计与调试工程师 - 公用事业运营商与输电网络工程师 - SCADA与继电器测试工程师 - 寻求实践学习的学生与专业人士 课程格式与优势： - 随时随地观看的在线视频讲座 - 实际案例研究，来自真实变电站的实践示例 - 通过作业与测验进行动手学习 - 可下载的继电器设置计算与资源，便于现场应用 - 完成证书，展示您的专业技能 通过本课程，您将获得在输电网络中掌握距离保护所需的实践知识与能力。
Mastering Distance Protection:Are you looking to enhance your expertise in Distance Protection and gain a practical understanding of relay settings, coordination, and fault analysis? This comprehensive online course is designed to equip engineers, technicians, and power system professionals with the knowledge and skills required to implement and troubleshoot distance protection schemes effectively.From fundamentals to advanced relay settings, this course covers real-world applications, case studies, and best practices to help you master distance protection in transmission networks.Course OverviewDistance protection is one of the most critical schemes in transmission system protection. It provides fast and selective fault clearance based on impedance measurement and ensures reliable grid operation. This course will take you through:The principles of distance protection, including impedance relays, R/X diagrams, and fault impedance calculations.CT & VT fundamentals - How instrument transformers impact distance relay performance. Relay characteristic zones (Z1, Z2, Z3, offset zones) and their correct settings.Load encroachment, power swings, mutual coupling, and zero-sequence compensation. Modern relay features - Adaptive relaying, pilot protection, SOTF logic, and communication-assisted tripping.Practical real-world case studies to help you apply knowledge in substation protection systems.What You'll Learn Module 1: Fundamentals of Distance Protection What is Distance Protection and How It Works Understanding Impedance Relays & R/X Diagrams Need for Distance Protection vs. Overcurrent Protection Fault Current Calculations & Impedance Measurement Module 2: Current & Voltage Transformers (CTs & VTs) in Distance Relays Protection vs. Metering CTs - Can They Be Interchanged? CT Star Point Assignment & Its Impact on Relay Operation VT Configurations & Secondary Circuit Considerations Module 3: Transmission Line Parameters & Their Impact on Distance Protection Resistance (R), Inductance (L), and Capacitance (C) Effects Primary vs. Secondary Impedance Calculations Zero-Sequence Compensation & Mutual Coupling Effects Module 4: Relay Zones & Characteristics in Distance Protection How to Form Zones 1, 2, and 3 with Correct Reach Settings Relay Characteristic Angle (RCA) & Polarizing Quantities Different Relay Characteristics: Mho, Quadrilateral, Polygonal Module 5: Advanced Distance Relay Functions & Settings Load Encroachment & Impact on Relay Performance Arc Resistance & Its Effect on Impedance Measurement Switch-on-to-Fault (SOTF) Logic & Circuit Breaker Seal-in Time VT MCB Trip Logic & Fuse Failure Relay Functions Module 6: Protection Coordination & Backup Schemes Zone Overlapping & Backup Protection Strategies Pilot Protection Schemes (POTT, DCB, Direct Transfer Trip) Stub Protection & Busbar Distance Protection Module 7: Power Swing & Out-of-Step Protection Detecting Power Swings in Distance Relays Impedance Blinders & Rate of Change Measurements Out-of-Step Tripping & Unstable Power Swing Blocking Module 8: Communication in Distance ProtectionPower Line Carrier (PLC), Microwave, and Fiber Optic Communication Directional Comparison & Zone Acceleration in Distance RelaysWho Should Take This Course?Protection Engineers & Power System Professionals Substation Design & Commissioning EngineersUtility Operators & Transmission Network EngineersSCADA & Relay Testing EngineersStudents & Professionals Seeking Practical LearningCourse Format & Benefits On-Demand Video Lectures - Learn at your own pace Real-World Case Studies - Practical examples from actual substations Assignments & Quizzes - Hands-on learning to test your knowledge Downloadable Relay Setting Calculations & Resources - For field applications Certificate of Completion - Showcase your expertiseThanks
