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你知道继电保护发生动作的情况吗？

发布时间：2023-05-30 10:38

电流互感器在电气中有着重要的作用，因此对电流互感器的一些特性要求也比较高，以适应电气上的动作灵敏性、快速性。断路器测试仪、互感器测试仪、变压器测试仪等是专业的电力试验

电力电缆故障的5大标准的检测方法你知道吗？

发布时间：2023-05-30 10:37

3. 冲击高压闪络法，在对电缆故障进行检测的一些方法当中，施工人员应用十分广泛的一种方法是冲击高压闪络法。这种方法的检测原理是在故障电缆的开端地方施加冲击高压，从而对发

串联谐振电路介绍

发布时间：2023-05-29 10:18

串联谐振电路的特性：• cos(φ) = 1，因此电流和电压变为同相。• 作为收音机和电视调谐器电路中的频率选择电路。感抗与电阻的比值称为电路-Q。它被称为放大系数。Q = 电路-

串联谐振LCR电路的基本概念

发布时间：2023-05-29 10:17

电路的一个重要特性是它以特定频率谐振的特性，谐振频率，频率以赫兹为单位计算。电阻器电容器积累能量并以受控方式释放能量。它还有助于控制提供给 LCR 电路的功率或电压。电容器有效地存

串联谐振的应用和特征的介绍

发布时间：2023-05-29 10:16

串联谐振电路的特征

工频和交流耐压的详细区别

发布时间：2023-05-29 10:15

在实际的电力试验中，由于试验变压器采用调压器和变压器的方式，其对电缆，主力变压器等大容量的试品进行耐压，就需要相对应的大容量的试验变压器，但是由于试验变压器越大越笨重，不利于运输和

串联谐振工频装置的介绍

发布时间：2023-05-29 10:14

电抗器和电抗器的电感=L 被试品电容和被试品=CX 变频串联谐振耐压试验装置的优点：3、变频之后的电源保护功能强，稳定性好。

鸿蒙电力带你了解石墨触头开关的区别

发布时间：2023-05-29 10:06

石墨是一种半导体材料，具有耐高温、耐磨的物理特性，石墨触头一般由两部分组成，其灭弧部分为石墨成分而通流部分是金属部分，断路器在刚分刚合时触指间产生的电弧容易将金属触头

电站的蓄电池为什么要活化？

发布时间：2023-05-29 10:05

互感器的种类和作用你知道多少？

发布时间：2023-05-29 10:04

电压互感器和电流互感器结构原理基本一致，是用来变换线路上的电压的测量装置，主要是用来给测量仪表和继电保护装置供电，用来测量线路的电压、功率和电能，或者用来在线路发生故障时保护线路中

鸿蒙电力一个互感器测试仪生产厂家，带你了解互感器的用途

发布时间：2023-05-29 10:03

氧化锌避雷器测试仪怎么使用？

发布时间：2023-05-29 10:02

基本文件流程错误 SQL 调试

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