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所在平台: Udemy |
课程主页: https://www.udemy.com/course/fundamentals-of-power-system-electrical-engineering-part-1/
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《终极电力系统分析课程》是一个专为学生设计的课程，旨在帮助他们建立坚实的电力系统故障分析与保护基础。无论是为考试学习、项目工作，还是准备电气工程职业，这门课程都将逐步引导学生掌握从基础到高级的关键概念。课程包含超过20小时的详细视频课程和389页可下载的讲义，学生将培养理论理解和实际问题解决能力。 学习内容包括： 1. **单位制（Per Unit）系统**：学习为何在电力系统中使用单位制，如何应用于单相和三相系统，变压器的影响及变基准。 2. **负载流分析**：理解母线类型及Ybus导纳矩阵的形成，掌握功率流方程及其解法，包括高斯-赛德尔法和牛顿-拉夫逊法的详细解释。 3. **电力系统矩阵与图论**：构建网络连接矩阵、元素-节点和母线归属矩阵，运用图论进行Ybus形成，进行原始网络建模并提供实际案例。 4. **电力系统故障概论**：了解各种故障类型（对称、不对称、相间及接地故障）、常见原因及故障分类。 5. **相量图与系统响应**：在正常和故障条件下的相量行为及不同故障下的单线接地、相间以及三相故障图。 6. **对称故障分析**：使用泰文宁定理进行三相故障计算，计算故障电流与电压，同时提供解决的数值实例。 7. **不对称故障分析**：针对接地故障、相间故障及双线接地故障进行研究，利用对称分量和序列网络解决问题。 8. **电力系统保护基础**：理解保护系统在保障系统稳定性中的作用，学习保护电路、保护区域及继电器的组成，掌握主保护与备保护方案。 9. **过电流保护**：学习过电流继电器的工作原理，设置与协调继电器的实际应用，包含多个实例。 10. **距离保护**：掌握基于阻抗的保护方法，了解距离继电器的工作原理和区域设置，逐步示例不同条件下的保护理解。 11. **差动保护**：使用差动继电器对变压器和发电机进行保护，理解电流平衡和百分比差动概念，并提供实际案例和问题的解决方案。 这门课程非常适合任何级别的电气工程学生，旨在增强其知识并自信应用，也对准备面试、大学考试或电力行业职业的人士极具价值。立即注册，建立坚实的故障分析和电力系统保护基础。
This course is designed to help students build a strong foundation in power system fault analysis and protection. Whether you're studying for exams, working on projects, or preparing for a career in electrical power engineering, this course will guide you step by step through all the essential concepts-from the basics to advanced techniques.With over 20 hours of detailed video lessons and 389 pages of downloadable course slides, you'll gain both theoretical understanding and practical problem-solving skills.What You'll Learn:1. Per Unit (PU) SystemWhy the per-unit system is used in power systemsHow to apply it in single-phase and three-phase systemsEffects of transformers and changing the baseSolved examples to help you practice and apply what you learn2. Load Flow AnalysisTypes of buses and how to form the Ybus admittance matrixPower flow equations and how to solve themDetailed explanation of Gauss-Seidel and Newton-Raphson methodsUnderstanding the Jacobian matrix and how it fits into load flow studies3. Power System Matrices and Graph TheoryHow to build network connection matricesElement-node and bus incidence matricesUsing graph theory for Ybus formationPrimitive network modeling with practical examples4. Introduction to Power System FaultsDifferent types of faults: symmetrical, unsymmetrical, phase, and earth faultsCommon causes such as overloading and incorrect operationsFault classification based on duration and impact on the system5. Phasor Diagrams and System ResponsePhasor behavior under normal and fault conditionsDiagrams for single-line-to-ground, line-to-line, double-line-to-ground, and three-phase faults6. Symmetrical Fault AnalysisThree-phase fault calculations using Thevenin's methodHow to compute fault currents and voltagesSolved numerical examples to build confidence7. Unsymmetrical Fault AnalysisLine-to-ground, line-to-line, and double-line-to-ground fault studiesUsing symmetrical components and sequence networksSolved problems explained in a clear and simple way8. Power System Protection BasicsRole of protection systems in ensuring system stabilityComponents like trip circuits, protection zones, and relaysUnderstanding primary and backup protection schemes9. Overcurrent ProtectionHow overcurrent relays workSetting and coordinating relays for real-world applicationsSeveral worked examples included10. Distance ProtectionImpedance-based protection methodsDistance relay operating principles and zone settingsStep-by-step examples to understand protection under various conditions11. Differential ProtectionProtection of transformers and generators using differential relaysCurrent balance and percentage differential conceptsPractical case studies and solved problemsThis course is ideal for electrical engineering students at any level who want to strengthen their knowledge and apply it with confidence. It's also valuable for anyone preparing for interviews, university exams, or careers in the power industry.Enroll today and build a strong foundation in fault analysis and power system protection.
