介绍电器的英文作文
关于”介绍电器“英语作文范文5篇，作文题目：Intduce electcal appliances。以下是关于介绍电器高三英语范文，每篇作文均为高分范文带翻译。
高分英语作文1：Intduce electcal appliances
The ptection of power tranormer can be divided into o categoes: overload and short circuit (gunding may or may not be involved. The main ptection of power tranormer is usually performed by differential relay gas relay installed in main oil tank and on load tap changer box c) and safety relief device. On the other hand, non directional over-crent relay with inverse time or inverse time cve is usually used to pvide backup ptection.
In most cases, the over-crent relay also has an instantaneous device over-crent, and the differential relay shall be powered by a separate crent tranormer. The operation of any of the previously mentioned relays shall be such that the circuit breaker is responsible for disconnecting the power tranormer to avoid unnecessary interruptions, these relays shall not operate dung maetization transients or when overload is permissible, gas and differential relays are considered to be selective and therefore their operation generally implies the existence of internal flts in the tranormer and the need for maintenance. Therefore, when they detect a flt, they not only send a tp sial to the circuit breaker to interrupt the flt, but can also lock it in the off position by locking the relay, becse the undirected over-crent relay may operate in the nt of an external flt, they only switch the circuit breaker to the open position by the operation of the xiliary relay.
A typical ptection scheme is shown in the fige. One part of the ptection device mentioned above is pvided with tranormers C, VS) and the other part is installed on the panel in the substation contl om. For these relays and power tranormer ptection s, see CVs.
中文翻译：
电力变压器保护可分为两类：过载和短路（可能或不涉及接地，电力变压器主要保护通常由安装在主油箱和有载分接开关箱c中差动继电器气体继电器执行）和安全泄压装置另一方面，通常采用具有反时限或逆时限曲线无方向过电流继电器来提供后备保护。在大多数情况下，过流继电器也有一个瞬时装置过电流，差动继电器应由电流互感器供电。任何先前提到继电器运行应使断路器负责断开电力变压器，以避免不必要中断，这些继电器不应在磁化瞬态期间或过载可容许时运行，气体和差动继电器被认为是选择，因此，它们运行通常意味着变压器内部故障存在和必要。
因此，当它们检测到故障时，它们不仅向断路器发送跳闸信号以中断故障，但也可以通过锁定继电器将其锁定在断开位置，因为无方向过电流继电器可能在外部故障时运行，它们只通过辅助继电器作将断路器切换到断开位置。图中显示了典型保护方案，前面提到保护装置一部分与变压器c、vs）一起提供，另一部分安装在变电站控制室内面板上。关于这些继电器和电力变压器保护见：cvs cvs。
万能作文模板2：介绍电器
Dear Mr. Bwn: welcome to o school, which teaches us oral English. I'm glad to intduce a super near o school.
The super is on Renmin Road, three blocks away fm the school. It's very convenient. You can walk there.
It has three floors, the first floor sells clothes, the second floor sells general merchandise and electcal appliances, on the top floor. Business hos are 9 am to PMI will be with you to go there the first time, if you need best wishes.
中文翻译：
亲爱先生：欢迎光临我们学校是教我们英语口语，我很高兴向大家介绍我们学校附近一家超级市场超级市场在离学校三个街区远路，非常方便，你可以步行去那里。它有三层楼，一楼卖衣服，二楼百货和电器，在顶层。营业时间是上午9点到pmI会在第一时间与您一起去那里，如果需要最好祝愿。
满分英语范文3：介绍电器
How to use a comr? Let me tell you how to use a comr. It's very . First of all, you should find a comr.
Then you power up the comr and press the "start" button. You will find that there is an IE in the sofare of windows for you to sf the Internet, chat with fends, play s, etc.
中文翻译：
如何使用电脑让我告诉你如何使用电脑，这很简单，首先，你应该找到一台电脑，你给电脑通电，按“开机”按钮，你会发现你进入windows软件里有一个IE供你上网、与朋友聊天、玩游戏等。