基于注入工频信号的相控式消弧线圈系统的研究

Research on phase -controlled arc suppression coil system based oninjected power frequency signal

摘要:

分析了相控式消弧线圈的构成原理，提出了一种基于注入工频信号的相控式消弧线圈系统，阐述了工频信号注入法测量配电网系统电容电流的原理，并通过模拟系统测试了该消弧系统的测量精度。该消弧系统结构简单，测量电容电流快速、准确，投入使用以来运行稳定，使用效果良好。

Abstract:

The composition principle of phasecontrolled arc suppression coil is analyzed, and a phasecontrolled arc suppression coil system based on injected power frequency signal is put forward. The principle of power frequency signal injection method for measuring capacitance current of distribution network system is described, and the measurement accuracy of this arc suppression system is tested through simulation system. The arc suppression system has a simple structure, and can measure the capacitance current fast and accurately, which has a stable operation and good application effect after it being put into operation.