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所在平台: Udemy |
课程主页: https://www.udemy.com/course/protection-of-transmission-line/
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课程名称：输电线路保护 课程概述：该课程通过多个模块全面介绍输电线路的保护机制，主要使用PSCAD软件进行模拟和分析。 模块1：PSCAD入门及2总线系统设计 - 目标：介绍PSCAD基础知识，并指导学生设计一个简单的2总线系统。 - 内容包括PSCAD安装、用户界面、2总线系统构建、组件添加、基本仿真和分析等。 - 包括实际操作练习和测验，以巩固基本概念。 模块2：从头开始建立IEEE 9总线标准基准系统 - 目标：教授学生如何建模和模拟广泛用于电力系统研究的IEEE 9总线系统。 - 内容涵盖IEEE 9总线系统的组成、数据规范、系统构建、负载流分析及系统响应的观察与分析。 - 包括模拟故障练习和相关测验。 模块3：输电线路的距离保护（保护区与案例研究） - 目标：讲解电力系统中的距离保护概念，侧重于PSCAD的实现及案例分析。 - 内容包括距离保护的必要性、继电器工作原理、保护区划分、模拟不同距离的故障及案例分析。 - 包括设计保护方案的实践练习和测验。 模块4：短输电线路的过电流保护 - 目标：解释短输电线路过电流保护的原则，涵盖继电器设置和协调问题。 - 内容包括过电流保护的重要性、各种类型的过电流继电器、模型构建、故障仿真及继电器响应分析。 - 包括调整继电器设置的实践练习和测验。 模块5：输电线路的雷电瞬变保护 - 目标：使学习者掌握雷电保护方案的建模和模拟技巧。 - 内容包括雷电效应的理解、保护方法、在PSCAD中实现保护、效果评估、案例分析等。 - 包括模拟雷电事件的实践练习和测验。 该课程为希望深入了解输电线路保护技术和PSCAD软件应用的学生提供了系统的学习路径。
Module 1: Getting Started with PSCAD & Designing a 2-Bus System with a Transmission LineObjective: Introduce PSCAD basics and guide students through designing a simple 2-bus system with a transmission line.Section 1: Introduction to PSCADOverview of PSCAD and its applicationsInstallation and setup guideUser interface walkthroughBasic components in PSCADSection 2: Building a 2-Bus SystemUnderstanding power system basics: Buses, transmission lines, and loadsStep-by-step design of a 2-bus systemAdding components: Voltage source, transformers, transmission lines, and loadsConnecting and configuring componentsSection 3: Simulation & AnalysisRunning a basic simulationObserving system behavior using meters and scopesAnalyzing voltage, current, and power flowSection 4: Hands-on Exercise & QuizExercise: Modify parameters (e.g., line impedance, voltage levels) and analyze resultsQuiz: Basic PSCAD functions and 2-bus system conceptsModule 2: IEEE 9-Bus Standard Benchmark System from ScratchObjective: Teach students how to model and simulate the IEEE 9-bus system, a widely used benchmark for power system studies.Section 1: Understanding the IEEE 9-Bus SystemOverview and importance of IEEE 9-bus systemExplanation of system components (buses, generators, transformers, loads)IEEE 9-bus data specificationsSection 2: Building the System in PSCADCreating buses and defining bus connectionsAdding generators, transformers, and loadsConfiguring transmission lines with appropriate parametersSection 3: Simulation & Results InterpretationRunning load flow analysisObserving power distribution and lossesAdjusting load/generation and analyzing system responseSection 4: Hands-on Exercise & QuizExercise: Simulate a fault on a transmission line and analyze the impactQuiz: IEEE 9-bus system modeling and analysisModule 3: Distance Protection of Transmission Lines (Zones of Protection with Case Study)Objective: Explain the concept of distance protection in power systems, focusing on PSCAD implementation and case studies.Section 1: Fundamentals of Distance ProtectionNeed for distance protection in transmission linesWorking principle of distance relaysZones of protection and relay coordinationSection 2: Implementing Distance Protection in PSCADModeling a transmission line with protective relaysSetting relay parameters for different zonesSimulating faults at different distancesSection 3: Case Study & AnalysisReal-world application of distance protectionAnalyzing relay operation for various fault locationsUnderstanding relay tripping times and selectivitySection 4: Hands-on Exercise & QuizExercise: Design a protection scheme and test different fault scenariosQuiz: Concepts of distance protection and relay operationModule 4: Overcurrent Protection of Short Transmission LinesObjective: Explain the principles of overcurrent protection for short transmission lines, covering relay settings, coordination, and PSCAD simulation.Section 1: Fundamentals of Overcurrent ProtectionUnderstanding overcurrent protection and its importanceTypes of overcurrent relays (instantaneous, inverse-time, definite-time)Protection schemes for short transmission linesSection 2: Implementing Overcurrent Protection in PSCADModeling a short transmission lineAdding overcurrent relays and setting pickup valuesConfiguring time-current characteristicsSection 3: Simulation & AnalysisRunning fault simulations (L-G, L-L, 3-phase faults)Observing relay operation and coordinationAnalyzing relay response time for different faultsSection 4: Hands-on Exercise & QuizExercise: Adjust relay settings and analyze the effect on fault clearing timeQuiz: Overcurrent protection concepts and relay coordinationModule 5: Protection of Transmission Lines Against Lightning TransientsObjective: Equip learners with knowledge and skills to model and simulate lightning protection schemes for transmission lines using PSCAD.Section 1: Introduction to Lightning TransientsUnderstanding lightning and its effects on power systemsTypes of lightning strikes (direct, indirect)Impact on transmission lines and equipmentSection 2: Protection MethodsSurge arresters and their working principlesShield wires and grounding techniquesInsulation coordinationSection 3: Implementing Lightning Protection in PSCADModeling transmission lines with surge arrestersSimulating lightning strikes and transient overvoltagesEvaluating the effectiveness of protection schemesSection 4: Case Study & AnalysisCase study: Real-world application of lightning protectionAnalyzing system response with and without protection devicesSection 5: Hands-on Exercise & QuizExercise: Simulate a lightning strike scenario and optimize surge arrester placementQuiz: Key concepts in lightning protection and simulation analysis
