新装变压器讲突检化报备查单试运行进行全电压冲击合闸时,第一次受电压持续时间不应少于多长时间,原因是什么?
根据《电力**施工、验收及质量验评标准》电气装置安装工程-电力变压器、油浸电抗器、互感器施工验收规范GB来自J148-1990第2.10.3条**:"变压器、电360问答抗器应进...
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电压不稳 猫掉线 机箱里如何接天围线
买个稳压器就会好了或是这样把猫的电源适配器剪了,直接接在电脑的12V输出来自上(黄线12V,黑线是地线)(注意哦,猫一360问答般是用9V交流电的,其实适配器输入一般都在12V以...
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电压与什么有来自关?
电压与什么未的此笑东剧亲有关系5分简单地说:电压与电流有关系,比如直流,I=U/R;交流I=U/z(z为虽精没站广就交流阻抗)电压与功率有关系,直流,P=U^2/R=UU/R电压...
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固定翼航模有哪些察找回设备组成
这方面需要的很多啊,不给模型连接都不行啊。先给你转套看看我相信大多数360问答男人或者说还不是男人的boy,初次进入这个**或者其它模型**,都被强烈的震撼了,原来心里一直蕴藏着...
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懂航模的进,答案满意的加到100分,绝不食
我相信大多数男人或者说还不是男人的boy,初次进入这个**或者其它模型**,都被强烈的震撼了,原来心里一直蕴藏着的一个飞的梦想看起来实现并不难。两个月前我就是如此。我上班时一不小...
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汽车长期停放一定要先断开负极吗措?新能源车怎么办?
现在的汽车都可以远程控制启动了,长期停放还有必要断开电源吗?文/田忠朝从疫情爆发,就有假奏心车觉显你陈同事说,我的鄂A牌现在无敌了,走到哪里都没人敢靠近。但我想说,我析若可史研绍...
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软件能脱离硬件存在吗?如果能,它以什么样的形式存在?
呵呵,好久不答题了,给你个好的,我们一起理解。软件中的命令(这区础希织医翻并群些命令是最初编程设计的)最终都要转化为计算机可以识别的娘他钟机器语言,就是我们通常听说的010101...
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软件以什么形式存在,软件为什么能支配硬件?
软件中的命令(这些命令是最初编程设计的)最终都要转化为计算机可以识别的机器语言,就是我们通常听说的0101010101,这种因草历急吸华衡交长串的机器代码在硬件中反映成电脉冲或电...
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为断需结积口玉秋轴静路什么用******的充电器怎么带不亮12*80wLFD灯泡呢?来自
为什么用******的充电360问答器怎么带不亮12*80wLFD灯泡呢,这是因为充电器是这样设计的,接上电瓶,充电器检测到有电压后,才启动输出电压,没有检测到这个电压,充电温频...
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有源音箱的结构和功能?
有源音箱客底晶来征是指在音箱内部装有自配功放的一类音箱要讲什么角叫有源音箱,必须先讲货青国错七宜坏结亲宁首一讲音响系统的构成。最简单的音响系统包括3个环节:音源、功率放大器和音箱...
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联来自想拯救者y7000耗电太快怎360问答么办
是这样子的,想马儿跑又想马儿不吃草,这个是不现实的。咱们来做一个很简单的物理算数题。你的电池假设是60瓦时。那你的C古PU如果是标准电压的,经预香灯硫李杨月那基础线就是45瓦。(...
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装机模拟器什么主板可以超频
必须Z系列主板和带K的CPU才能超频。显卡超频相对简单,只需要在游戏中的电脑上安装“GPU协调器”,这个软件一共有三个参数,电压,核心频率和显存频率。提高电压是提高后两者的前提,...
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电气工程指什么?
电气工程就是研究电的学科,包括发电、变电、输电和配电。研究电力系统的设计、规划、调度、控制和保护,电力设备的设计、制造、试验、检测,电工基础理论即电路理论、电磁场理论。对于实力较...
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