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所在平台: Udemy |
课程主页: https://www.udemy.com/course/power-transformer-trainings-from-basics-to-fat/
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课程名称：从基础到工厂验收测试的电力变压器培训 课程概述： 本课程旨在为工程师提供有关变压器的必要知识，内容涵盖从合同规定到现场调试的各个方面。培训包括七个讲座，具体内容如下： 1. 变压器基础与定义，包括主要部件、矢量组、变压器短路电压(Z%)及其计算方法。 2. 变压器类型的解释，包括干式变压器与油浸变压器（密封型与储油型）、冷却与绝缘、表面处理以及变压器的安装方式。 3. 有载调压器和无载调压器、监测与保护设备的实施，包括布赫霍兹继电器、绕组温度指示器、油温指示器、油位指示器、压力释放装置、综合安全探测器、溶解气体分析仪、温度控制装置、硅胶及各种配件如电缆盒、柱绝缘子、低压和高压套管、吊装耳、千斤顶垫、弧角和接地电阻器，并举例说明变压器的监测系统。 4. 专用应用变压器，如中性接地变压器、脉冲变换器变压器、K因数变压器、风力涡轮变压器以及自耦变压器。 5. 变压器尺寸标准，包括配电变压器的尺寸及电机起动变压器。 6. 变压器图纸审核，包括数据表、一览图、接线盒整体布置及接线、铭牌、自动电压调节器、在线调压变压器以及实时功率变换装置的一般安排与接线。 7. 最后，检查测试计划（ITP）和工厂验收测试（FAT），内容包括： - 绕组电阻测量 - 电压比和矢量组测量 - 短路阻抗与负载损耗测量 - 空载损耗与电流测量 - 液浸变压器的压力泄漏测试 - 电介质测试，包括分开源交流耐压测试和短时感应交流耐压测试。 - 类型测试，包括温升型测试、电介质型测试、以及每种冷却方式的声级测定，保证声级的标定 - 现场验收测试（SAT），作为工厂验收测试的一部分，外加附加的正切δ测试。 通过此课程，学员将掌握变压器的设计、制造与调试中的各项关键知识与技能。
The course is prepared to cover the necessary knowledge for engineers about transformers from prescription up to commissioning.Training will consist of seven lectures covering:1. Transformer basics & Definitions, Main parts, Vector group, transformer's short circuit voltage (Z%) & the calculation of the through fault short circuit current.2. Transformer types explained which are Dry-type & oil type (Hermetically sealed & conservator type), cooling & insulation, surface treatment, and transformer's mounting.3. Tap changer (on-load & offload types), Monitoring, protection devices including Buchholz relay, winding temperature indicator, oil temperature indicator, oil level indicator, pressure relief device, Integrated safety detector, Dissolved gas analyzer, Temperature control unit, Silica gel and all accessories including cable boxes, post insulators, LV & HV bushings, lifting lugs, Jacking pads, arcing horn, neutral earthing resistor and eventually an example for transformer's monitoring system.4. Special application transformer such as Neutral grounding transformer, pulse converter transformer, K factor rated transformer, wind turbine and finally autotransformer.5. Transformer sizing criteria include distribution transformer sizing & motor starting transformers.6. Transformer Drawing review such as Datasheets, General arrangement, Marshalling box General arrangement and Wiring, Nameplates, AVR, OLTC, RTCC General arrangement & wiring.7. Finally, Inspection Test Plan (ITP), Factory Acceptance Tests (FAT) which are:· Measurement of winding resistance.· Measurement of voltage ratio & vector group.· Measurement of short circuit impedance & load losses.· Measurement of no-load losses and current.· Leak testing with pressure for liquid immersed transformers.· Dielectric tests which are: Separate source AC withstand voltage test (Applied voltage test) & Short duration induced AC withstand voltage.Type Tests which are:· Temperature-rise type test.· Dielectric type tests.· Determination of sound level for each method of cooling for which a guaranteed sound level is specifiedand Site Acceptance Tests (SAT) which are part of FAT except for the additional tan delta test.
