capacitance bridge

简明释义

电容电桥测量电容的电桥

英英释义

例句

1.Using a capacitance bridge, we were able to identify the faulty capacitor in the circuit.

通过使用电容桥，我们能够识别出电路中故障的电容器。

2.The technician used a capacitance bridge to measure the capacitance of the capacitor accurately.

技术员使用电容桥准确测量电容器的电容值。

3.To compare two capacitors, we set up a capacitance bridge in the lab.

为了比较两个电容器，我们在实验室中搭建了一个电容桥。

4.The capacitance bridge is essential for calibrating capacitors in electronic devices.

电容桥对电子设备中电容器的校准至关重要。

5.In our laboratory, we often rely on a capacitance bridge for precise electrical measurements.

在我们的实验室中，我们经常依赖电容桥进行精确的电气测量。

作文

The concept of a capacitance bridge is fundamental in the field of electrical engineering, particularly in the measurement of capacitance. A capacitance bridge is an instrument used to measure the unknown capacitance by balancing it against known capacitors. This method is highly accurate and is often utilized in laboratories for precise measurements. The principle behind a capacitance bridge is based on the comparison of impedances in an AC circuit, allowing for the determination of an unknown value through a balanced equation.To understand how a capacitance bridge operates, it is essential to familiarize oneself with its components. Typically, a capacitance bridge consists of a null detector, a variable capacitor, and standard capacitors. The null detector indicates when the bridge is balanced, meaning that the unknown capacitance is equal to the known capacitance being compared. When the bridge is balanced, there is no voltage difference across the detector, which signifies that the two branches of the circuit are equal in terms of their capacitive effects.One common type of capacitance bridge is the Schering Bridge, which is specifically designed for measuring the capacitance of insulating materials. In this setup, the unknown capacitor is placed in one arm of the bridge, while standard capacitors are placed in the other arms. By adjusting the variable capacitor and using the null detector, the user can determine the value of the unknown capacitor with high precision. This is crucial in industries where the quality of insulation materials must be assessed, such as in electrical utilities and manufacturing.The applications of a capacitance bridge extend beyond mere measurement. It plays a vital role in the calibration of capacitance standards, ensuring that various devices and instruments provide consistent and accurate readings. Furthermore, in research and development, a capacitance bridge is instrumental in exploring new materials and technologies, enabling scientists and engineers to innovate in fields such as electronics and telecommunications.In conclusion, the capacitance bridge is an indispensable tool in electrical engineering for accurately measuring capacitance. Its principle of operation relies on the balance of impedances in an AC circuit, making it a reliable instrument for both practical applications and research purposes. As technology advances, the design and functionality of capacitance bridges continue to evolve, further enhancing their capabilities and expanding their uses in various industries. Understanding the significance of a capacitance bridge not only enriches our knowledge of electrical measurements but also highlights the importance of precision in engineering practices. Therefore, mastering the concept of a capacitance bridge is crucial for anyone pursuing a career in electrical engineering or related fields.

电容桥的概念在电气工程领域中是基础性的，特别是在电容测量方面。电容桥是一种用于通过与已知电容器平衡来测量未知电容的仪器。这种方法具有很高的准确性，通常在实验室中用于精确测量。电容桥的原理基于交流电路中阻抗的比较，通过平衡方程确定未知值。要理解电容桥的工作原理，首先需要熟悉其组件。通常，电容桥由一个零检测器、一个可变电容器和标准电容器组成。零检测器指示桥是否平衡，这意味着未知电容等于正在比较的已知电容。当桥平衡时，检测器两端没有电压差，这表明电路的两个支路在电容效应上是相等的。一种常见的电容桥是Schering桥，专门用于测量绝缘材料的电容。在该设置中，未知电容被放置在桥的一条臂上，而标准电容则放置在其他臂上。通过调整可变电容器并使用零检测器，用户可以高精度地确定未知电容的值。这在评估绝缘材料质量的行业中至关重要，例如电力公用事业和制造业。电容桥的应用超越了简单的测量。它在电容标准的校准中发挥着重要作用，确保各种设备和仪器提供一致和准确的读数。此外，在研究和开发中，电容桥在探索新材料和技术方面是不可或缺的，使科学家和工程师能够在电子和电信等领域进行创新。总之，电容桥是电气工程中不可或缺的工具，用于准确测量电容。其操作原理依赖于交流电路中阻抗的平衡，使其成为可靠的仪器，适用于实际应用和研究目的。随着技术的进步，电容桥的设计和功能不断演变，进一步增强了其能力并扩展了其在各个行业中的应用。理解电容桥的重要性不仅丰富了我们对电气测量的知识，还突显了工程实践中精确度的重要性。因此，掌握电容桥的概念对于任何追求电气工程或相关领域职业的人来说都是至关重要的。