nominal transformation ratio

简明释义

标称变换系数

英英释义

例句

1.The technician noted that the actual output did not match the expected nominal transformation ratio due to load variations.

技术人员注意到，由于负载变化，实际输出与预期的名义变换比不匹配。

2.The nominal transformation ratio of this transformer is 10:1, meaning it steps down the voltage by a factor of ten.

该变压器的名义变换比为10:1，这意味着它将电压降低十倍。

3.The engineer calculated the nominal transformation ratio to determine the voltage increase in the transformer.

工程师计算了名义变换比以确定变压器中的电压增益。

4.Understanding the nominal transformation ratio is crucial for selecting the right transformer for the application.

理解名义变换比对于选择合适的变压器至关重要。

5.In power distribution, the nominal transformation ratio is essential for ensuring efficient energy transfer.

在电力分配中，名义变换比对于确保高效的能量传输至关重要。

作文

In the world of electrical engineering, the concept of the nominal transformation ratio plays a crucial role in the design and functionality of transformers. A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction. The nominal transformation ratio refers to the ratio of the primary voltage to the secondary voltage in a transformer under specified conditions. This ratio is essential for determining how much voltage is increased or decreased as electricity passes through the transformer.Understanding the nominal transformation ratio is vital for engineers and technicians who work with power systems. For instance, if a transformer has a nominal transformation ratio of 10:1, it means that for every 10 volts supplied to the primary winding, there will be 1 volt at the secondary winding. This principle allows for the efficient transmission of electricity over long distances, as high voltages can be stepped up for transmission and then stepped down for safe use in homes and businesses.Moreover, the nominal transformation ratio is not just a theoretical concept; it has practical implications in various applications. In power distribution networks, transformers are used to adjust voltage levels to meet the requirements of different loads. For example, residential areas typically require lower voltages compared to industrial zones. By utilizing transformers with appropriate nominal transformation ratios, utilities can ensure that the right voltage is delivered to each consumer, enhancing safety and efficiency.Another important aspect to consider is that the nominal transformation ratio is often accompanied by certain losses, which can affect the overall performance of a transformer. These losses may include copper losses due to resistance in the windings, iron losses due to hysteresis and eddy currents in the core, and stray losses. Therefore, when designing transformers, engineers must take into account these factors alongside the nominal transformation ratio to optimize performance and minimize energy waste.Furthermore, the nominal transformation ratio can vary based on the type of transformer being used. For instance, in autotransformers, the nominal transformation ratio can be adjusted by varying the tap settings. This flexibility allows for fine-tuning of voltage levels to meet specific needs, making autotransformers particularly useful in applications where voltage regulation is critical.In conclusion, the nominal transformation ratio is a fundamental concept in the field of electrical engineering that influences the design, application, and efficiency of transformers. By understanding this ratio, engineers can effectively manage voltage levels in power systems, ensuring reliable electricity delivery to consumers. As technology continues to advance, the importance of the nominal transformation ratio will only grow, making it an essential topic for anyone involved in electrical engineering and power distribution. In summary, the nominal transformation ratio (名义变换比) is not merely a number; it represents a key principle that underpins the operation of transformers. It is essential for the safe and efficient transmission of electrical energy, and its understanding is crucial for those working in the field of electrical engineering.

在电气工程的世界中，名义变换比的概念在变压器的设计和功能中扮演着至关重要的角色。变压器是一种通过电磁感应在两个或多个电路之间传递电能的电气设备。名义变换比是指在特定条件下，变压器的初级电压与次级电压的比率。这个比率对于确定电流通过变压器时电压的升高或降低至关重要。理解名义变换比对于从事电力系统工作的工程师和技术人员至关重要。例如，如果一个变压器的名义变换比为10:1，这意味着每输入10伏特到初级绕组，就会在次级绕组输出1伏特。这个原理使得电力能够高效地在长距离内传输，因为可以将高电压提升以进行传输，然后在家庭和企业中安全使用时再降压。此外，名义变换比不仅仅是一个理论概念；它在各种应用中具有实际意义。在电力分配网络中，变压器用于调整电压水平，以满足不同负载的要求。例如，住宅区通常需要的电压低于工业区。通过利用具有适当名义变换比的变压器，公用事业公司可以确保将合适的电压送达每位用户，从而提高安全性和效率。另一个重要的方面是，名义变换比通常伴随着某些损耗，这可能会影响变压器的整体性能。这些损耗可能包括由于绕组中的电阻造成的铜损、由于铁心中的滞后和涡流造成的铁损，以及杂散损耗。因此，在设计变压器时，工程师必须考虑这些因素以及名义变换比，以优化性能并最小化能源浪费。此外，名义变换比可能会根据所使用的变压器类型而有所不同。例如，在自耦变压器中，可以通过改变抽头设置来调整名义变换比。这种灵活性使得可以微调电压水平以满足特定需求，使自耦变压器在电压调节至关重要的应用中尤其有用。总之，名义变换比是电气工程领域的一个基本概念，它影响变压器的设计、应用和效率。通过理解这个比率，工程师可以有效管理电力系统中的电压水平，确保向消费者可靠地提供电力。随着技术的不断进步，名义变换比的重要性只会增加，使其成为任何参与电气工程和电力分配的人都必须掌握的主题。总而言之，名义变换比（nominal transformation ratio）不仅仅是一个数字；它代表了支撑变压器操作的关键原理。它对安全和高效的电能传输至关重要，而理解这一点对于从事电气工程的人来说是至关重要的。