contactor

简明释义

英[ˈkɒntæktə(r)]美[ˈkɑːnˌtæktər;kɑːnˈtæktər]

n. 开关；电流接触器

英英释义

单词用法

同义词

反义词

例句

1.After the closing operation the closing contactor sometimes cannot recover.

有时合闸操作完成后合闸接触器仍不能返回。

2.A new type of intelligent hybrid arcless AC contactor was introduced.

介绍了一种新型的智能混合式无弧交流接触器。

3.All control circuits with contactor shall be provided with control cables connected to site control buttons.

所有带接触器的控制回路均有引至现场控制按钮的控制电缆。

4.Put burning control switch 3kk hand lever turns right 45 degree to scavenging shelve, contactor 2jlc collects and then air blower works.

将燃烧控制开关3kk手柄先向右转45度到扫气档，接触器2jlc接通鼓风机运转。

5.Introduction was made to the key test items and technical requirements of contactor type relay reliability research.

介绍了接触器式继电器町靠性研究的重点试验项目及技术要求。

6.This restriction is due to the coil of the contactor used.

此限制是由于所使用的接触器的线圈。

7.If full strength contactor irritation occurs, flush with water for at least 10 minutes.

如果全部力量的接触或过敏发生，用水冲洗10分钟。

8.The successful coordination examples and technique data of contactor or starter and fuses in various countries are given.

提供了各国的接触器或起动器与熔断器成功地协调配合的实例和技术数据。

9.Contactor products compound silver contactor of various materials.

各种材料复合银触点。

10.Our factory uses a contactor to manage the heavy machinery safely.

我们的工厂使用接触器安全地管理重型机械。

11.When the temperature exceeds the limit, the contactor will automatically disconnect the heater.

当温度超过限制时，接触器将自动断开加热器。

12.The electrician installed a new contactor to control the lighting system.

电工安装了一个新的接触器来控制照明系统。

13.A faulty contactor can lead to equipment failure and downtime.

故障的接触器可能导致设备故障和停机。

14.The HVAC system relies on a contactor to switch the compressor on and off.

暖通空调系统依赖于接触器来开启和关闭压缩机。

作文

In the world of electrical engineering, various components play critical roles in ensuring the efficient functioning of circuits and systems. One such essential component is the contactor. A contactor is an electrically controlled switch used for switching an electrical circuit on or off. It is similar to a relay but is designed to handle higher currents and voltages. Understanding the function and importance of a contactor can help both engineers and enthusiasts appreciate its role in modern electrical applications.The basic operation of a contactor involves the use of an electromagnet. When an electric current flows through the coil of the contactor, it generates a magnetic field that attracts a movable armature. This armature then closes the contacts, allowing current to flow through the circuit. Conversely, when the current is interrupted, the magnetic field collapses, and the armature returns to its original position, opening the contacts and stopping the flow of electricity. This simple yet effective mechanism allows for remote control of large electrical loads, making contactors indispensable in industrial settings.One of the primary advantages of using a contactor is its ability to control high-power devices without direct human intervention. For instance, in manufacturing plants, contactors are often used to control motors, heaters, and lighting systems. By integrating contactors into automated systems, operators can efficiently manage energy consumption and enhance safety. Additionally, contactors are equipped with various protective features, such as overload relays and auxiliary contacts, which further improve their reliability and functionality.Moreover, contactors come in various sizes and configurations to suit different applications. From small residential systems to large industrial machinery, there is a contactor designed for almost every need. For example, in home automation systems, smaller contactors can be used to control lighting and heating, while in factories, larger units may be necessary to manage heavy machinery. This versatility makes contactors a popular choice among engineers and electricians alike.In addition to their practical applications, contactors also play a significant role in energy efficiency. By allowing for precise control over electrical loads, contactors help reduce wasteful energy consumption. For instance, in smart grid technology, contactors can be used to optimize the distribution of electricity based on real-time demand, thus contributing to a more sustainable energy system.In conclusion, the contactor is a vital component in the realm of electrical engineering, serving as a reliable switch for controlling high-power circuits. Its ability to operate safely and efficiently makes it an essential tool in both industrial and residential applications. As technology continues to advance, the role of the contactor will likely expand, further enhancing its importance in modern electrical systems. Understanding how a contactor works and its applications can empower individuals to make informed decisions when designing and implementing electrical solutions.

在电气工程的世界中，各种组件在确保电路和系统高效运作方面发挥着关键作用。其中一个重要的组件是接触器。接触器是一种电控开关，用于打开或关闭电路。它与继电器类似，但设计用于处理更高的电流和电压。理解接触器的功能和重要性可以帮助工程师和爱好者欣赏其在现代电气应用中的作用。接触器的基本操作涉及使用电磁铁。当电流流过接触器的线圈时，会产生一个磁场，吸引可移动的电枢。这个电枢随后闭合触点，允许电流流过电路。相反，当电流被中断时，磁场消失，电枢返回到原始位置，打开触点并停止电流的流动。这种简单而有效的机制使得远程控制大功率设备成为可能，从而使接触器在工业环境中不可或缺。使用接触器的主要优点之一是能够在没有直接人类干预的情况下控制高功率设备。例如，在制造厂中，接触器通常用于控制电动机、加热器和照明系统。通过将接触器集成到自动化系统中，操作员可以有效管理能源消耗并提高安全性。此外，接触器配备了各种保护功能，如过载继电器和辅助触点，进一步提高了其可靠性和功能性。此外，接触器有多种尺寸和配置，以适应不同的应用。从小型住宅系统到大型工业机械，几乎每个需求都有相应的接触器。例如，在家庭自动化系统中，可以使用较小的接触器来控制照明和供暖，而在工厂中，可能需要更大的单元来管理重型机械。这种多样性使得接触器成为工程师和电工的热门选择。除了实际应用外，接触器在能效方面也发挥着重要作用。通过精确控制电气负载，接触器有助于减少浪费的能源消耗。例如，在智能电网技术中，接触器可以用于根据实时需求优化电力分配，从而为更可持续的能源系统做出贡献。总之，接触器是电气工程领域的重要组件，作为控制大功率电路的可靠开关。它安全高效的操作能力使其成为工业和住宅应用中的重要工具。随着技术的不断进步，接触器的角色可能会进一步扩展，从而增强其在现代电气系统中的重要性。理解接触器的工作原理及其应用，可以使个人在设计和实施电气解决方案时做出明智的决策。