useful voltage

简明释义

有效电压

英英释义

例句

1.To power the LED lights, we need to provide a useful voltage of around 3 volts.

为了给LED灯供电，我们需要提供大约3伏的有用的电压。

2.In renewable energy systems, converting solar power into useful voltage is crucial for charging batteries.

在可再生能源系统中，将太阳能转换为有用的电压对充电电池至关重要。

3.The battery's useful voltage decreases over time, affecting the performance of the device.

电池的有用的电压随着时间的推移而降低，影响设备的性能。

4.The engineer measured the useful voltage across the load to determine if the circuit was functioning correctly.

工程师测量了负载上的有用的电压以确定电路是否正常工作。

5.The circuit design needs to ensure that the output provides a useful voltage for the sensors to operate effectively.

电路设计需要确保输出提供一个有用的电压，以便传感器能够有效工作。

作文

In the realm of electrical engineering, the term useful voltage refers to the specific voltage level that can be effectively utilized in various applications. This concept is crucial for designing circuits, ensuring that devices operate efficiently and safely. To understand this better, let us explore the significance of useful voltage in everyday technology.Firstly, it is important to recognize that not all voltages are suitable for every device. For instance, a standard household light bulb typically operates at a voltage of 120 volts in North America or 230 volts in Europe. If the voltage supplied exceeds these levels, it can lead to overheating, damage, or even catastrophic failure of the bulb. Thus, maintaining the useful voltage is essential for the longevity and functionality of electrical devices.Moreover, the concept of useful voltage extends beyond just household appliances. In industrial settings, machines and equipment often require specific voltage levels to perform optimally. For example, motors used in manufacturing processes may require a useful voltage of 480 volts to operate efficiently. If the voltage is too low, the motor may not start or could stall during operation, leading to productivity losses. Conversely, if the voltage is too high, it could cause the motor to burn out, resulting in costly repairs and downtime.Another area where useful voltage plays a critical role is in renewable energy systems, such as solar panels. Solar panels generate direct current (DC) electricity, which must be converted to alternating current (AC) to be used in most homes. The inverter used in this process must ensure that the output voltage is within the useful voltage range for household appliances, typically around 120 volts or 230 volts. If the inverter fails to maintain this voltage, it could either underpower the devices or overload them, causing potential damage.Furthermore, the importance of useful voltage can also be seen in the context of battery-powered devices. For instance, a smartphone battery typically operates at a voltage of around 3.7 volts. When charging or discharging, it is crucial to ensure that the voltage remains within a useful voltage range to prevent damage to the battery cells. Overcharging can lead to overheating and swelling, while undercharging can result in reduced battery life.In conclusion, the concept of useful voltage is fundamental in various fields of electrical engineering and technology. It determines how effectively devices operate and ensures safety and efficiency across a wide range of applications. Understanding and maintaining the useful voltage for different devices not only enhances their performance but also prolongs their lifespan. As technology continues to evolve, the relevance of useful voltage will remain a key consideration for engineers and consumers alike, highlighting the intricate balance required in the world of electricity.Ultimately, grasping the implications of useful voltage allows us to appreciate the delicate interplay between voltage levels and device functionality, paving the way for more innovative and efficient technological advancements in the future.

在电气工程领域，术语有用电压指的是可以有效用于各种应用的特定电压水平。这个概念对于电路设计至关重要，确保设备高效且安全地运行。为了更好地理解这一点，让我们探讨一下有用电压在日常技术中的重要性。首先，重要的是要认识到并非所有电压都适合每个设备。例如，标准家用灯泡在北美通常以120伏特的电压工作，而在欧洲则为230伏特。如果供电电压超过这些水平，可能会导致过热、损坏甚至灯泡的灾难性故障。因此，保持有用电压对电气设备的耐用性和功能至关重要。此外，有用电压的概念不仅限于家用电器。在工业环境中，机器和设备通常需要特定的电压水平才能最佳运行。例如，用于制造过程的电动机可能需要480伏特的有用电压才能高效运作。如果电压过低，电动机可能无法启动或在运行中停转，从而导致生产力损失。相反，如果电压过高，可能会导致电动机烧毁，从而造成昂贵的维修和停工。有用电压在可再生能源系统（如太阳能电池板）中也起着关键作用。太阳能电池板产生直流（DC）电力，必须转换为交流（AC）电力才能在大多数家庭中使用。用于此过程的逆变器必须确保输出电压在家用电器的有用电压范围内，通常约为120伏特或230伏特。如果逆变器未能维持该电压，可能会导致设备供电不足或过载，从而造成潜在损坏。此外，有用电压的重要性还可以在电池供电设备的背景下看到。例如，智能手机电池通常在约3.7伏特的电压下工作。在充电或放电时，确保电压保持在有用电压范围内至关重要，以防止对电池单元的损害。过度充电可能导致过热和膨胀，而充电不足可能导致电池寿命缩短。总之，有用电压的概念在电气工程和技术的各个领域都是基础。它决定了设备的有效运行，并确保在广泛的应用中安全和效率。理解并维护不同设备的有用电压不仅增强了它们的性能，还延长了它们的使用寿命。随着技术的不断发展，有用电压的相关性将继续成为工程师和消费者的关键考虑因素，突显出电力世界中所需的微妙平衡。最终，掌握有用电压的含义使我们能够欣赏电压水平与设备功能之间的微妙互动，为未来更具创新性和高效的技术进步铺平道路。