direct current voltage
简明释义
直流电压
英英释义
Direct current voltage refers to the electrical potential difference that is constant in polarity and magnitude, supplied by a direct current source. | 直流电压是指由直流电源提供的电势差,其极性和大小保持不变。 |
例句
1.When measuring the direct current voltage 直流电压 across the circuit, ensure your multimeter is set correctly.
在测量电路中的直流电压 direct current voltage时,确保你的万用表设置正确。
2.Solar panels convert sunlight into direct current voltage 直流电压, which can be stored in batteries.
太阳能电池板将阳光转化为直流电压 direct current voltage,可以存储在电池中。
3.The power supply unit outputs a direct current voltage 直流电压 suitable for charging laptops.
电源单元输出适合给笔记本电脑充电的直流电压 direct current voltage。
4.In electronics, a consistent direct current voltage 直流电压 is crucial for circuit stability.
在电子学中,一致的直流电压 direct current voltage对于电路稳定性至关重要。
5.The battery provides a stable direct current voltage 直流电压 necessary for powering electronic devices.
电池提供稳定的直流电压 direct current voltage,这是为电子设备供电所必需的。
作文
Understanding electricity is crucial in today's technology-driven world. One of the fundamental concepts in electrical engineering is the notion of voltage. Among the various types of voltage, direct current voltage (DC voltage) plays a significant role in many applications. It is essential to grasp what direct current voltage means and how it differs from other forms of voltage, such as alternating current (AC) voltage.Direct current voltage refers to an electrical potential difference that remains constant over time. Unlike AC voltage, which periodically reverses direction, direct current voltage flows in a single direction. This characteristic makes DC voltage particularly suitable for powering electronic devices, batteries, and solar panels. For instance, when you charge your smartphone or laptop, it relies on direct current voltage to operate efficiently.The primary source of direct current voltage comes from batteries. A battery converts chemical energy into electrical energy, producing a steady flow of direct current. This is why portable devices often use batteries; they provide a reliable and consistent voltage output. Moreover, renewable energy systems, such as solar panels, generate direct current voltage before it is converted to AC voltage for household use.One of the advantages of direct current voltage is its simplicity. The circuitry required to manage DC voltage is generally less complex than that for AC voltage. This simplicity translates into lower costs and greater reliability in many applications. For example, LED lights typically operate on direct current voltage, making them more efficient and longer-lasting compared to traditional incandescent bulbs that rely on AC voltage.However, direct current voltage also has its limitations. One significant drawback is that it is not easily transmitted over long distances. High-voltage AC transmission lines are preferred for long-distance power distribution because they can reduce energy losses. This is why most power grids utilize AC voltage for distribution, only converting it to direct current voltage when it reaches its destination for specific applications.In conclusion, understanding direct current voltage is vital for anyone interested in electronics or electrical engineering. Its unique properties make it indispensable for various technologies, particularly in our increasingly mobile and renewable energy-focused world. As we continue to innovate and develop new electronic devices, the significance of direct current voltage will undoubtedly grow, highlighting the importance of mastering this concept in the field of electricity.
理解电力在当今科技驱动的世界中至关重要。电气工程中的基本概念之一是电压的概念。在各种类型的电压中,直流电压(DC电压)在许多应用中扮演着重要角色。掌握直流电压的含义以及它与其他形式电压(如交流电压)的区别是非常必要的。直流电压指的是电势差在时间上保持恒定的电压。与周期性改变方向的交流电压不同,直流电压始终以单一方向流动。这一特性使得直流电压特别适合为电子设备、电池和太阳能电池板供电。例如,当你给智能手机或笔记本电脑充电时,它依赖于直流电压来高效运行。直流电压的主要来源是电池。电池将化学能转化为电能,产生稳定的直流电流。这就是为什么便携式设备通常使用电池;它们提供可靠且一致的电压输出。此外,可再生能源系统,如太阳能电池板,产生直流电压,然后将其转换为家庭使用的交流电压。直流电压的一个优点是它的简单性。管理直流电压所需的电路通常比交流电压所需的电路更为简单。这种简单性转化为在许多应用中较低的成本和更高的可靠性。例如,LED灯通常在直流电压下工作,使其比依赖交流电压的传统白炽灯泡更高效且更耐用。然而,直流电压也有其局限性。一个显著的缺点是它不易于远距离传输。高压交流电传输线更适合长距离电力分配,因为它们可以减少能量损失。这就是为什么大多数电网利用交流电压进行分配,只有在到达目的地后才将其转换为直流电压以供特定应用使用。总之,了解直流电压对于任何对电子或电气工程感兴趣的人来说都是至关重要的。其独特的特性使其在各种技术中不可或缺,特别是在我们日益移动化和以可再生能源为中心的世界中。随着我们不断创新和开发新电子设备,直流电压的重要性无疑会增长,强调了掌握这一电力领域概念的重要性。
相关单词