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所在平台: Udemy |
课程主页: https://www.udemy.com/course/power-cables-construction-types-sizing-and-testing/
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课程名称：电力电缆：结构、类型、规格和测试 课程概述：《电力电缆：结构、类型、规格和测试》是一门综合性课程，深入讲解电力电缆，从基本构造到高级测试和规格方法，涵盖广泛。电力电缆是电气基础设施的重要组成部分，正确的选择、安装和维护对安全高效的电力分配至关重要。在本课程中，参与者将获得电力电缆的各种类型、组件、命名法和应用的专业知识。课程内容包括影响电缆选择的因素、规格计算、电压降考虑以及短路分析。此外，课程还将探讨确保可靠性和安全性的重要测试技术，如绝缘电阻（IR）测试和高压（HiPot）测试。 学习目标：完成本课程后，参与者将能够： - 了解电力电缆的基本概念及其在电气系统中的重要性。 - 根据电压等级、绝缘材料、结构和应用识别不同类型的电力电缆。 - 分析各种电缆类型的优缺点。 - 解释电力电缆每个部分的功能，包括导体、绝缘层、护套、填料、铠装和保护层。 - 解读电缆命名和标准标识。 - 进行绝缘电阻（IR）测试，并理解测试连接、程序和必要的预防措施。 - 实施高压（HiPot）直流电缆测试，理解其在绝缘验证中的重要性。 - 评估电缆选择的关键参数，考虑如电流承载能力、环境条件和机械应力等因素。 - 根据负载、导体材料、长度、电压等级和相数进行电缆规格计算。 - 计算电压降并理解其对电气系统的影响。 - 识别影响电压降的因素并实施减少电压降的策略。 - 进行短路研究，以确保电缆在故障条件下安全承受。 通过本课程，参与者将获得在工业、商业和住宅电气系统中自信处理电力电缆所需的知识和技能。
"Power Cables: Construction, Types, Sizing, and Testing", it is a comprehensive course provides an in-depth understanding of power cables, covering everything from their basic construction to advanced testing and sizing methodologies. Power cables are a critical component of electrical infrastructure, and their proper selection, installation, and maintenance are essential for safe and efficient power distribution.Throughout this course, participants will gain expertise in the various types of power cables, their components, nomenclature, and applications. The course will cover the factors affecting cable selection, sizing calculations, voltage drop considerations, and short circuit analysis. Additionally, it will explore essential testing techniques such as Insulation Resistance (IR) testing and High-Potential (HiPot) testing to ensure reliability and safety.By the end of the course, participants will have the knowledge and skills required to confidently work with power cables in industrial, commercial, and residential electrical systems.Learning Objectives:By completing this course, participants will be able to:· Understand the fundamental concepts of power cables and their importance in electrical systems.· Identify different types of power cables based on voltage levels, insulation materials, construction, and applications.· Analyze the advantages and disadvantages of various cable types.· Explain the function of each part of a power cable, including the conductor, insulation, sheath, bedding, Armor, and serving.· Interpret cable nomenclature and standard designations.· Perform insulation resistance (IR) testing, understand test connections, procedures, and necessary precautions.· Conduct high-potential (HiPot) DC testing of cables and understand its significance in insulation verification.· Evaluate key parameters for cable selection, considering factors such as current-carrying capacity, environmental conditions, and mechanical stress.· Perform cable sizing calculations based on load, conductor material, length, voltage rating, and the number of runs for both single-phase and three-phase cables.· Calculate voltage drop and understand its effects on electrical systems.· Identify factors affecting voltage drop and implement strategies to minimize it.· Conduct a short circuit study to ensure cables can withstand fault conditions safely.
