一种超稳定音频电力校准器的实现

Q4 Engineering

Measurement Sensors Pub Date : 2025-05-01 DOI:10.1016/j.measen.2024.101431

You Li , Wu Kang , Wang Shuqiang , Li Jingjing

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引用次数: 0

摘要

本文介绍了一种电压范围为1kv、电流范围为20A、频率范围为20hz ~ 20khz的超稳定音频电力校准器的设计与实现。其输出功率1小时稳定性可达25ppm。它在音频功率表、电能表、放大器和换能器的精密校准中具有良好的应用前景。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Realization of an ultra-stable audio frequency electrical power calibrator

The article introduce the design and implementation of an ultra-stable audio frequency electrical power calibrator, with voltage range up to 1 kV, current range up to 20A and frequency range from 20 Hz to 20 kHz. The 1 hour stability of its output power can reach to 25 ppm. It has good potential application for precision calibration of audio frequency power meters, energy meters, amplifiers and transducers.

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