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Fast and accurate measurement of power system frequency

机译：快速准确地测量电力系统频率

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With growing applications for protection, control, monitoring and measurement systems for power system applications, the necessity for very reliable and accurate frequency and phase angle measurement of the power system voltage is also growing. This paper describes a linear phase locked loop for three phase systems for precise measurement of the frequency and phase angle of the line voltage. However, the application area of the measurement system may also be extended to single phase systems, which will be shown with a separate paper. The application of the described measurement system is possible for power electronic systems, protection relays and Phasor Measurement Units.
机译：随着用于电力系统应用的保护，控制，监视和测量系统的应用不断增长，对电力系统电压进行非常可靠和准确的频率和相角测量的必要性也在增长。本文介绍了一种用于三相系统的线性锁相环，用于精确测量线路电压的频率和相角。但是，测量系统的应用领域也可以扩展到单相系统，这将在单独的论文中显示。所描述的测量系统可以用于电力电子系统，保护继电器和相量测量单元。

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