armature reactance

简明释义

电枢电抗

英英释义

例句

1.In AC machines, the armature reactance 电枢反应 affects the voltage regulation significantly.

在交流机器中，armature reactance 电枢反应对电压调节有显著影响。

2.Understanding the armature reactance 电枢反应 is crucial for designing efficient generators.

理解armature reactance 电枢反应对于设计高效发电机至关重要。

3.To optimize performance, engineers often analyze the armature reactance 电枢反应 during the testing phase.

为了优化性能，工程师通常在测试阶段分析armature reactance 电枢反应。

4.The increase in armature reactance 电枢反应 can lead to higher losses in the system.

增加的armature reactance 电枢反应可能导致系统中更高的损耗。

5.The calculation of the motor's efficiency requires an understanding of the armature reactance 电枢反应 in its design.

计算电动机的效率需要理解其设计中的armature reactance 电枢反应。

作文

In the world of electrical engineering, understanding various concepts is crucial for designing efficient machines. One such concept is armature reactance, which plays a significant role in the operation of electrical machines, particularly in generators and motors. To comprehend armature reactance, we must first understand what an armature is. The armature refers to the component of an electrical machine that carries current and interacts with the magnetic field to produce torque or induce voltage. In essence, it is the heart of the machine, converting electrical energy into mechanical energy or vice versa.The term armature reactance specifically refers to the opposition that the armature winding offers to the change of current due to its inductance. This inductance arises from the magnetic fields created by the current flowing through the armature windings. As the current changes, it generates a magnetic field that induces a voltage opposing the change in current, a phenomenon described by Lenz's Law. This induced voltage is what we refer to as reactance. Understanding armature reactance is vital because it affects the performance of electrical machines under different load conditions. When a motor starts, for instance, the armature current is low, but as the load increases, the current increases, leading to a rise in armature reactance. This increase can cause a drop in voltage across the armature, affecting the overall efficiency and performance of the machine. Engineers must account for this when designing machines to ensure they operate efficiently under varying loads.Moreover, armature reactance is not a constant value; it varies with the frequency of the alternating current (AC) supply and the physical characteristics of the armature winding itself. For example, in synchronous machines, the armature reactance can be calculated based on the number of turns in the winding, the core material, and the geometry of the armature. Therefore, engineers use these parameters to optimize the design of the armature to minimize losses and improve performance.Another critical aspect of armature reactance is its relationship with power factor. The power factor is a measure of how effectively electrical power is being converted into useful work output. A high armature reactance can lead to a lower power factor, indicating that a significant portion of the power is not being used effectively. This can result in increased energy costs and reduced efficiency in electrical systems. Therefore, understanding and managing armature reactance is essential for engineers aiming to design energy-efficient machines.In summary, armature reactance is a fundamental concept in electrical engineering that influences the operation and efficiency of electrical machines. By understanding the behavior of the armature and its reactance, engineers can design more effective and efficient machines that meet the demands of modern applications. The significance of armature reactance extends beyond theoretical knowledge; it has practical implications in the real world, affecting everything from industrial motors to renewable energy systems. Thus, mastering this concept is essential for anyone looking to excel in the field of electrical engineering.

在电气工程的世界中，理解各种概念对于设计高效的机器至关重要。其中一个概念是电枢反应抗，它在电气机器的运行中起着重要作用，特别是在发电机和电动机中。要理解电枢反应抗，我们必须首先了解什么是电枢。电枢是指电气机器中携带电流并与磁场相互作用以产生扭矩或感应电压的组件。可以说，它是机器的核心，将电能转换为机械能或反之。术语电枢反应抗特指电枢绕组因其电感而对电流变化所提供的阻抗。这种电感源于通过电枢绕组流动的电流所产生的磁场。当电流变化时，它会产生一个磁场，该磁场感应出一个电压，反对电流的变化，这一现象由楞次定律描述。这个感应电压就是我们所称的反应抗。理解电枢反应抗至关重要，因为它影响电气机器在不同负载条件下的性能。例如，当电动机启动时，电枢电流较低，但随着负载的增加，电流增加，导致电枢反应抗上升。这种增加可能导致电枢上的电压下降，从而影响机器的整体效率和性能。工程师在设计机器时必须考虑这一点，以确保它们在变化负载下有效运行。此外，电枢反应抗并不是一个恒定值；它随着交流电（AC）供电的频率和电枢绕组本身的物理特性而变化。例如，在同步机器中，电枢反应抗可以根据绕组的匝数、核心材料和电枢的几何形状进行计算。因此，工程师利用这些参数来优化电枢的设计，以最小化损耗并提高性能。电枢反应抗的另一个关键方面是它与功率因数的关系。功率因数是衡量电能转化为有用工作输出的有效性。高电枢反应抗可能导致较低的功率因数，表明相当一部分电力未被有效利用。这可能导致能源成本增加和电气系统效率降低。因此，理解和管理电枢反应抗对于旨在设计节能机器的工程师至关重要。总之，电枢反应抗是电气工程中的一个基本概念，影响电气机器的运行和效率。通过理解电枢的行为及其反应抗，工程师可以设计出更有效、更高效的机器，以满足现代应用的需求。电枢反应抗的重要性超越了理论知识；它在现实世界中具有实际意义，影响从工业电动机到可再生能源系统的方方面面。因此，掌握这一概念对于任何希望在电气工程领域取得成功的人来说都是至关重要的。