derated

简明释义

英[diːˈreɪtɪd]美[diːˈreɪtɪd]

减免

减税（derate 的过去式和过去分词）

英英释义

单词用法

同义词

反义词

例句

1.Agriculture has been derated for a long time.

对农业曾长期实行减税。

2.For voltages below that level, its capacity must be derated at approximately 250 ma per volt.

对于电压低于这一水平，必须降低其容量约为250伏电流。

3.For voltages below that level, its capacity must be derated at approximately 250 ma per volt.

对于电压低于这一水平，必须降低其容量约为250伏电流。

4.Due to high temperatures, the generator was derated to prevent overheating.

由于温度过高，发电机被降额以防止过热。

5.After testing, the system was derated to ensure reliability under load.

经过测试后，系统被降额以确保在负载下的可靠性。

6.The engine was derated to improve fuel efficiency.

为了提高燃油效率，发动机被降额。

7.The power supply was derated to account for aging components.

电源被降额以考虑老化的组件。

8.In extreme conditions, the device must be derated to avoid failures.

在极端条件下，设备必须被降额以避免故障。

作文

In the field of engineering and technology, the term derated refers to the process of reducing the rated capacity or performance of a component or system. This is often done to enhance reliability, safety, or longevity. For instance, in electrical engineering, a device may be derated to prevent overheating or to accommodate environmental conditions that could affect its performance. By operating a device below its maximum capacity, engineers can ensure that it runs more efficiently and has a longer lifespan.Consider the example of a transformer used in power distribution. A transformer might have a rated capacity of 100 kVA, but if it is located in an area with high ambient temperatures, engineers may choose to derate it to 80 kVA. This decision is made to account for the increased thermal load and to prevent potential failures due to overheating. The practice of derating is crucial in ensuring that equipment operates within safe limits, ultimately protecting both the equipment and the people who use it.The concept of derating extends beyond electrical components; it is also applicable in mechanical systems. For example, a motor that is rated for 10 horsepower might be derated to 8 horsepower in a specific application where it will be subjected to higher loads than it was originally designed to handle. This adjustment helps to avoid mechanical failure and ensures that the motor performs reliably under varying conditions.In addition to enhancing safety and reliability, derating can also play a significant role in optimizing performance. In some cases, engineers might derate a system intentionally to achieve better efficiency. By operating at a lower capacity, components may experience less wear and tear, leading to reduced maintenance costs over time. This is particularly important in industries where downtime can result in significant financial losses.Moreover, derating is not limited to physical components; it can also apply to software systems. For instance, a software application may be derated in terms of its processing capabilities when deployed on hardware with limited resources. By adjusting the expectations of what the software can achieve based on the hardware’s limitations, developers can create a more stable and reliable user experience.In conclusion, the practice of derating is a vital consideration in various fields of engineering and technology. It involves intentionally reducing the rated capacity or performance of a component or system to enhance safety, reliability, and efficiency. Whether applied to electrical devices, mechanical systems, or software applications, derating helps to ensure that systems operate within safe limits and remain functional over time. Understanding this concept is essential for engineers and technicians who strive to design and maintain systems that are both effective and dependable.

在工程和技术领域，术语derated指的是降低组件或系统的额定容量或性能的过程。这通常是为了增强可靠性、安全性或使用寿命。例如，在电气工程中，设备可能会被derated以防止过热或适应可能影响其性能的环境条件。通过使设备在其最大容量以下运行，工程师可以确保其更高效地运行并具有更长的使用寿命。考虑一个用于电力分配的变压器的例子。变压器的额定容量可能为100 kVA，但如果它位于高环境温度的区域，工程师可能会选择将其derated到80 kVA。这个决定是为了考虑到增加的热负荷，防止因过热而导致的潜在故障。Derating的做法对于确保设备在安全范围内运行至关重要，从而保护设备和使用它的人。Derating的概念不仅限于电气组件；它也适用于机械系统。例如，一个额定功率为10马力的电动机，在特定应用中可能会被derated到8马力，因为在该应用中它将承受比最初设计时更高的负载。这种调整有助于避免机械故障，并确保电动机在不同条件下可靠运行。除了增强安全性和可靠性之外，derating还可以在优化性能方面发挥重要作用。在某些情况下，工程师可能会故意derate系统，以实现更好的效率。通过在较低的容量下运行，组件可能经历更少的磨损，从而在长期内降低维护成本。这在停机时间可能导致重大财务损失的行业中尤为重要。此外，derating不仅限于物理组件；它也可以应用于软件系统。例如，当软件应用程序在资源有限的硬件上部署时，可能会对其处理能力进行derated。通过根据硬件的限制调整对软件所能实现的期望，开发人员可以创建更稳定和可靠的用户体验。总之，derating的做法是在各种工程和技术领域中至关重要的考虑因素。它涉及故意降低组件或系统的额定容量或性能，以增强安全性、可靠性和效率。无论是应用于电气设备、机械系统还是软件应用，derating都有助于确保系统在安全范围内运行并保持功能。理解这一概念对于努力设计和维护有效且可靠的系统的工程师和技术人员来说至关重要。