电力系统中断路器和开关操作产生的脉冲噪声的计算机模型

L. Milic, J. Gajica
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引用次数: 2

摘要

本文提出了一种模拟高压电力系统中断路器和隔离开关运行时产生的脉冲噪声的计算机模型。模拟器利用记录的脉冲噪声样本作为核序列。在通信设备与同轴电缆的连接点处测量和记录内核序列。仿真器产生由低水平背景噪声和随机振幅的短时间高水平脉冲序列组成的序列,这些脉冲在时间上均匀分布。在输出端,模拟器提供可变带宽和可变中心频率的带通数字滤波器。滤波器的目的是模拟在期望的电信信道带宽上的脉冲噪声。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A computer model of the impulse noise produced by operation of breakers and switches in power electric system
This paper presents a computer model for simulating the impulse noise produced by the operation of circuit breakers and isolator switches in HV electric power systems. The simulator utilizes a recorded sample of the impulse noise as a kernel sequence. The kernel sequence is measured and recorded at the point of connection of the telecommunication equipment to the coaxial cable. The simulator produces the sequence composed of the low-level background noise, and of the train of short-time high-level noise impulses of random amplitudes, which are evenly distributed in time. At the output, the simulator is supplied with the bandpass digital filter with variable bandwidth and variable central frequency. The purpose of the filter is to simulate the impulse noise over the bandwidth of the desired telecommunication channel.
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