derating

简明释义

英[diːˈreɪtɪŋ]美[dɪˈreɪtɪŋ]

n. 降额，[电]降低定额值

v. 降低税率；降低马力开动（derate 的 ing 形式）

英英释义

单词用法

同义词

反义词

例句

1.The three main ways of performing thermal calculations are by using a component derating number, or a graph of allowable power versus temperature, or a thermal model.

进行热计算的三个主要方法是通过使用器件降额值、随温度变化功率图或温度模型。

2.For the RN2407, see power derating curves for additional information.

对于RN2407，见权力降额曲线的其他信息。

3.Calculating design drainage discharge have important significance for water safety and derating economic losses of waterlog in the polder areas.

圩区设计排涝流量计算，对圩区的水安全，有效减免涝灾经济损失有着重要意义。

4.We can find, derating, raise an increase of to peasant different fields influence very much far-reaching.

我们可以发现，减税对农民增收各方面影响都很深远。

5.The conclusion was obtained as below:for triode, diode, thyristor and capacitor, voltage derating was an effective measure to reduce the failure rates;

讨论可以得出：对于三极管、二极管、晶闸管、电容而言，电压降额是降低器件失效率的有效手段；

6.The technique plays an important role in the proper selection of parts, thermal electrical stress control in the circuit design and derating.

说明这一方法对元器件的正确选择、电路设计中热电应力的控制和降额等可靠性设计起主导的作用。

7.The simplest approach is to use a thermal derating number (given in power/degrees).

进行热计算更全面的方法是使用热模型。

8.The three main ways of performing thermal calculations are by using a component derating number, or a graph of allowable power versus temperature, or a thermal model.

进行热计算的三个主要方法是通过使用器件降额值、随温度变化功率图或温度模型。

9.In electronic design, derating helps prevent failures by operating components below their maximum ratings.

在电子设计中，降额通过使组件在其最大额定值以下运行来防止故障。

10.Due to the environmental factors, we need to consider derating the motor's capacity.

由于环境因素，我们需要考虑对电动机的容量进行降额。

11.The manufacturer suggested a derating of the component to ensure longevity under high temperatures.

制造商建议对该组件进行降额以确保在高温下的使用寿命。

12.The power supply was derated to improve its reliability in extreme conditions.

该电源被降额以提高其在极端条件下的可靠性。

13.The derating process is crucial for ensuring safety and performance in high-stress applications.

在高应力应用中，降额过程对于确保安全和性能至关重要。

作文

In the field of engineering and electronics, the term derating refers to the practice of operating a device or component at less than its maximum rated capacity. This approach is often adopted to enhance the reliability and longevity of equipment, particularly in harsh environments where stress and heat can significantly impact performance. The concept of derating is crucial for engineers and designers who aim to create systems that not only function well but also endure over time without failure.When designing electronic circuits, engineers must consider the thermal limits of components such as resistors, capacitors, and semiconductors. Each of these components has a maximum power rating, which indicates the highest amount of power they can handle before risking damage. By applying derating, engineers choose to operate these components at a lower power level, thus reducing the heat generated and minimizing the risk of overheating. For example, if a resistor is rated for 1 watt, an engineer might opt to use it at only 0.5 watts. This practice not only extends the life of the resistor but also ensures that the entire circuit remains stable and reliable.The importance of derating becomes even more apparent in applications involving high temperatures or fluctuating loads. In industries such as automotive or aerospace, where components are subjected to extreme conditions, the need for derating is paramount. For instance, an electronic control unit (ECU) in a car may experience higher temperatures due to engine heat. By derating the components within the ECU, manufacturers can prevent failures that could lead to costly repairs or safety hazards.Moreover, derating is not limited to electrical components; it also applies to mechanical systems. For example, gears, bearings, and other moving parts can be derated by selecting materials that can withstand greater loads than typically expected. This ensures that even under peak operational conditions, the components will perform reliably without excessive wear or failure.Another significant aspect of derating is its role in compliance with safety standards. Many industries have strict regulations governing the performance and reliability of equipment. By implementing derating practices, companies can demonstrate adherence to these standards, thereby enhancing their reputation and trustworthiness in the market.In conclusion, the concept of derating is essential in various fields, particularly in engineering and electronics. It involves operating components below their maximum capacity to improve reliability, extend lifespan, and ensure safety. As technology continues to advance, the importance of derating will likely grow, making it a fundamental consideration for engineers and designers worldwide. Understanding and applying derating effectively can lead to more robust and dependable systems that meet the demands of modern applications.

在工程和电子领域，术语derating指的是以低于其最大额定容量的方式运行设备或组件的做法。这种方法通常采用，以增强设备的可靠性和寿命，特别是在恶劣环境中，压力和热量会显著影响性能。derating的概念对于工程师和设计师至关重要，他们旨在创建不仅运行良好而且能够在不发生故障的情况下长时间使用的系统。在设计电子电路时，工程师必须考虑组件的热极限，例如电阻器、电容器和半导体。每个组件都有一个最大功率额定值，表示它们在面临损坏风险之前可以处理的最高功率。通过应用derating，工程师选择以较低的功率水平运行这些组件，从而减少产生的热量，最小化过热的风险。例如，如果一个电阻器的额定功率为1瓦，工程师可能会选择仅以0.5瓦的功率使用它。这种做法不仅延长了电阻器的使用寿命，还确保整个电路保持稳定和可靠。derating的重要性在于涉及高温或波动负载的应用中变得更加明显。在汽车或航空航天等行业中，组件面临极端条件的情况，使得derating的需求尤为重要。例如，汽车中的电子控制单元（ECU）可能由于发动机热量而经历更高的温度。通过对ECU内的组件进行derating，制造商可以防止可能导致昂贵维修或安全隐患的故障。此外，derating不仅限于电气组件；它也适用于机械系统。例如，齿轮、轴承和其他运动部件可以通过选择能够承受比通常预期的更大负荷的材料来进行derating。这确保即使在峰值操作条件下，组件也能可靠地工作，而不会过度磨损或故障。derating的另一个重要方面是它在遵守安全标准中的作用。许多行业对设备的性能和可靠性有严格的规定。通过实施derating实践，公司可以证明遵守这些标准，从而增强其在市场上的声誉和可信度。总之，derating的概念在各个领域中都至关重要，尤其是在工程和电子领域。它涉及以低于最大容量的方式运行组件，以提高可靠性、延长使用寿命并确保安全。随着技术的不断进步，derating的重要性可能会增长，使其成为全球工程师和设计师的基本考虑因素。有效理解和应用derating可以导致更强大、更可靠的系统，满足现代应用的需求。