megohm

简明释义

英[ˈmeɡəʊm]美[ˈmeɡˌoʊm]

n. 兆欧（姆），百万欧姆

英英释义

单词用法

同义词

反义词

例句

1.Two types of high megohm resistors are widely used: carbon-film and metal-oxide.

广泛使用的高兆欧电阻器有两种：碳膜电阻器和金属氧化物电阻器。

2.The principle of wave process on the Line is used to measure the distance of power cable's high megohm fault. Its technical cruxes are presented in this paper.

本文提出运用导线波动过程原理测量电力电缆高阻故障距离的技术关键。

3.Megohm inspection method is to form an electric cable terminal at the online access, another access terminal on the motor casing, megohm shake table to observe the value of insulation resistance.

检查方法是将兆欧表上的一个接线柱接在电泵电缆线上，另一接线柱接在电机外壳上，摇动兆欧表，观察绝缘电阻值。

4.The principle of wave process on the Line is used to measure the distance of power cable's high megohm fault.

本文提出运用导线波动过程原理测量电力电缆高阻故障距离的技术关键。

5.Megohm inspection method is to form an electric cable terminal at the online access, another access terminal on the motor casing, megohm shake table to observe the value of insulation resistance.

检查方法是将兆欧表上的一个接线柱接在电泵电缆线上，另一接线柱接在电机外壳上，摇动兆欧表，观察绝缘电阻值。

6.On raining days, the insulation resistance of the generator often drops below 0.5 megohm.

在雨天，发电机的绝缘电阻常常降到0.5兆欧以下。

7.The insulation resistance of these motors should be kept above 1 megohm.

电动机的绝缘电阻应保持大于1兆欧。

8.In high-voltage applications, a minimum insulation resistance of 1 megohm (兆欧) is often required.

在高压应用中，通常要求最低绝缘电阻为1 megohm (兆欧)。

9.The resistance of the insulation was measured at 5 megohm (兆欧).

绝缘材料的电阻测量为5 megohm (兆欧)。

10.Testing the motor windings showed a resistance of 2.5 megohm (兆欧), indicating good insulation.

对电机绕组进行测试显示电阻为2.5 megohm (兆欧)，这表明绝缘良好。

11.A typical digital multimeter can measure resistance up to 20 megohm (兆欧).

一台典型的数字万用表可以测量高达20 megohm (兆欧) 的电阻。

12.The technician reported that the circuit had an open circuit with a resistance of over 10 megohm (兆欧).

技术人员报告说，该电路有一个开路，电阻超过10 megohm (兆欧)。

作文

In the field of electrical engineering, understanding the concept of resistance is crucial. One of the units used to measure resistance is the ohm, and its multiples, such as the megohm (百万欧姆), play a significant role in various applications. A megohm is equivalent to one million ohms, which indicates a very high level of resistance. This high resistance is often encountered in insulators and other materials that are designed to prevent the flow of electric current. For example, when designing electrical circuits, engineers must consider the resistance of different components. High-resistance materials, measured in megohms, are essential for ensuring that circuits function correctly without excessive current flow that could lead to overheating or component failure. In practical terms, a resistor rated at 1 megohm will limit the current flowing through it significantly compared to a resistor rated at just a few ohms.Moreover, the measurement of megohms is particularly important in testing and diagnostics. For instance, insulation resistance testing is commonly performed on electrical equipment to ensure safety and reliability. During this test, a high voltage is applied to the insulation, and the resulting resistance is measured in megohms. A reading below a certain threshold may indicate potential issues with the insulation, which could lead to short circuits or electrical hazards.In addition to its practical applications, the megohm also serves as an important concept in theoretical studies of electricity and magnetism. Understanding how resistance behaves at different scales helps engineers and scientists develop better materials and technologies. For example, in the field of nanotechnology, researchers often work with materials that exhibit unique electrical properties, and measuring resistance in megohms can provide insights into their behavior at the nanoscale.Furthermore, in everyday life, we encounter devices that utilize megohms in their operation. Digital multimeters, for instance, are tools that can measure resistance in megohms and are widely used by technicians and hobbyists alike. When troubleshooting electronic devices, these measurements can help identify faulty components or connections. In conclusion, the megohm (百万欧姆) is more than just a unit of measurement; it is a fundamental concept that underpins much of electrical engineering and technology. By understanding the significance of megohms, we can appreciate the complexities of electrical systems and the importance of resistance in maintaining safety and efficiency. Whether in industrial applications, research, or everyday troubleshooting, the megohm remains a vital element in the world of electricity.

在电气工程领域，理解电阻的概念至关重要。用于测量电阻的单位之一是欧姆及其倍数，例如megohm（百万欧姆），在各种应用中发挥着重要作用。megohm等于一百万欧姆，这表示非常高的电阻。这种高电阻通常出现在绝缘体和其他旨在防止电流流动的材料中。例如，在设计电路时，工程师必须考虑不同组件的电阻。以megohms为单位的高电阻材料对于确保电路正常工作至关重要，以避免过度电流流动导致过热或组件故障。在实际应用中，额定为1 megohm的电阻器将显著限制通过它的电流流动，而与仅几个欧姆的电阻器相比。此外，megohms的测量在测试和诊断中尤为重要。例如，绝缘电阻测试通常在电气设备上进行，以确保安全性和可靠性。在此测试中，将高电压施加到绝缘体上，并以megohms为单位测量产生的电阻。低于某个阈值的读数可能表明绝缘存在潜在问题，这可能导致短路或电气危险。除了实际应用之外，megohm在电气和磁学的理论研究中也是一个重要概念。理解不同规模下电阻的行为有助于工程师和科学家开发更好的材料和技术。例如，在纳米技术领域，研究人员通常使用表现出独特电气特性的材料，测量megohms的电阻可以提供对其在纳米尺度下行为的见解。此外，在日常生活中，我们遇到的设备在其操作中利用megohms。数字万用表就是一种可以测量megohms的工具，广泛用于技术人员和爱好者。当排除电子设备故障时，这些测量可以帮助识别故障组件或连接。总之，megohm（百万欧姆）不仅仅是一个测量单位；它是支撑电气工程和技术许多方面的基本概念。通过理解megohms的重要性，我们可以欣赏电气系统的复杂性以及电阻在维持安全和效率方面的重要性。无论是在工业应用、研究还是日常故障排除中，megohm始终是电力世界中的一个重要元素。