rectifiers

简明释义

英[ˈrɛktɪfaɪəz]美[ˈrɛktɪfaɪərz]

n. [电]整流器（rectifier 的复数）；矫正器，纠正器

英英释义

单词用法

同义词

反义词

例句

1.In this paper a current sensorless control strategy of three-phase PWM rectifiers is presented.

提出了一种无电流传感器的三相pwm整流器控制策略。

2.Ultra high speed Rectifiers throughout ensure lower noise and top performance of transient response.

全机采用超高速整流子，保证低噪音，及瞬态。

3.What is needed are smaller rectifiers which would, by very dint of their size, rectify current of an appropriate frequency.

我们需要的是比较小的整流器，正是凭藉它们较小的尺寸，来对相应频率的电流进行整流。

4.The trouble is that commercially available rectifiers can only cope with frequencies of up to 100 gigahertz.

麻烦的是，市面上的整流器只能应付频率为10万兆赫的电流。

5.One of the key factors of affecting power factor of rectifiers is control technique.

控制技术是影响整流器功率因数的关键因素之一。

6.Effects of current form on electroplating processes were elucidated. Specifications of the rectifiers for different plating processes were recommended.

阐述了电流波形对电镀工艺的影响，对不同的电镀工艺选用不同规格的整流器提出了建议。

7.The engineers installed new rectifiers to improve the efficiency of the power supply.

工程师们安装了新的整流器以提高电源的效率。

8.In this circuit, the rectifiers convert AC to DC for the electronic components.

在这个电路中，整流器将交流电转换为直流电，以供电子元件使用。

9.The reliability of the system depends significantly on the quality of the rectifiers used.

系统的可靠性在很大程度上取决于所使用的整流器的质量。

10.Many modern appliances use rectifiers to ensure stable operation.

许多现代电器使用整流器以确保稳定运行。

11.The design of the rectifiers in this device minimizes energy loss.

该设备中整流器的设计最小化了能量损失。

作文

In the world of electronics, the term rectifiers refers to devices that convert alternating current (AC) into direct current (DC). This conversion is crucial for many electronic devices, as most of them require a stable DC supply to function properly. The importance of rectifiers can be observed in various applications, from powering everyday household appliances to supporting complex industrial machinery. To understand how rectifiers work, it is essential to grasp the difference between AC and DC. Alternating current is characterized by its periodic change in direction, while direct current flows in a single direction. This fundamental difference means that devices designed to operate on DC cannot directly use AC power. Therefore, rectifiers play a vital role in enabling the compatibility of these devices with the power supply available in homes and industries. There are several types of rectifiers, including half-wave and full-wave rectifiers. A half-wave rectifier only allows one half of the AC waveform to pass through, effectively blocking the negative half and converting it into a pulsating DC signal. While simple and cost-effective, this type of rectifier is not very efficient for most applications. In contrast, a full-wave rectifier utilizes both halves of the AC waveform, resulting in a smoother and more efficient DC output. This efficiency makes full-wave rectifiers the preferred choice in most modern electronic circuits. The design and construction of rectifiers have evolved significantly over the years. Early versions relied heavily on vacuum tubes, but today’s rectifiers are typically based on semiconductor technology. Silicon diodes are the most common components used in rectifiers, due to their ability to conduct current in one direction while blocking it in the opposite direction. This property is what makes them ideal for converting AC to DC. Aside from their primary function of converting current, rectifiers also play a role in voltage regulation and filtering. After the conversion process, the output DC voltage may still contain ripples or fluctuations. To address this issue, additional components like capacitors and inductors are often employed in conjunction with rectifiers to smooth out the output and provide a more stable voltage. This combination is crucial for ensuring that sensitive electronic devices receive a clean and reliable power supply. The impact of rectifiers extends beyond just individual devices. They are integral to the functioning of larger systems, such as power supplies for computers, battery chargers, and even renewable energy systems like solar panels. In solar applications, for instance, rectifiers are used to convert the generated AC power into usable DC power for storage in batteries or for direct use in DC-powered devices. In conclusion, the role of rectifiers in modern electronics cannot be overstated. They are essential components that enable the conversion of AC to DC, making it possible for a wide range of devices to operate efficiently and reliably. As technology continues to advance, the design and application of rectifiers will likely evolve further, contributing to the ongoing development of innovative electronic solutions. Understanding rectifiers and their functions is crucial for anyone interested in the field of electronics, as they form the backbone of many electrical systems we rely on every day.

在电子世界中，术语整流器指的是将交流电（AC）转换为直流电（DC）的设备。这种转换对于许多电子设备至关重要，因为它们大多数需要稳定的直流电源才能正常工作。整流器的重要性可以在各种应用中观察到，从为日常家用电器供电到支持复杂的工业机械。 要理解整流器的工作原理，首先必须掌握交流电和直流电之间的区别。交流电的特点是其方向周期性变化，而直流电则是单向流动。这一根本差异意味着设计用于直流电的设备不能直接使用交流电源。因此，整流器在使这些设备与家庭和工业中可用的电源兼容方面发挥了至关重要的作用。 整流器有几种类型，包括半波和全波整流器。半波整流器仅允许交流波形的一半通过，有效地阻止负半部分并将其转换为脉动的直流信号。虽然简单且经济，但这种类型的整流器对于大多数应用来说效率不高。相比之下，全波整流器利用交流波形的两个半波，从而产生更平滑、更高效的直流输出。这种效率使得全波整流器成为现代电子电路中的首选。 整流器的设计和构造多年来发生了显著变化。早期版本主要依赖真空管，但今天的整流器通常基于半导体技术。硅二极管是最常用的整流器组件，由于其能够在一个方向上导电而在相反方向上阻止电流，这一特性使其成为将交流电转换为直流电的理想选择。 除了转换电流的主要功能外，整流器还在电压调节和过滤中发挥作用。在转换过程之后，输出的直流电压可能仍然包含波纹或波动。为了解决这个问题，通常会在与整流器结合使用的情况下，使用电容器和电感器等附加组件来平滑输出并提供更稳定的电压。这种组合对于确保敏感电子设备接收干净可靠的电源至关重要。 整流器的影响不仅限于单个设备。它们是更大系统正常运行的组成部分，例如计算机的电源、充电器，甚至像太阳能面板这样的可再生能源系统。在太阳能应用中，例如，整流器用于将生成的交流电转换为可用于电池存储或直接用于直流供电设备的直流电。 总之，整流器在现代电子设备中的作用不可低估。它们是将交流电转换为直流电的关键组件，使各种设备能够高效、可靠地运行。随着技术的不断进步，整流器的设计和应用可能会进一步发展，为创新电子解决方案的持续发展做出贡献。理解整流器及其功能对于任何对电子领域感兴趣的人来说都是至关重要的，因为它们构成了我们每天依赖的许多电气系统的基础。