A Generic VFD-CLM Equivalent Model for Distribution Network With Multiple VFD Loads

IF 4.3 2区综合性期刊 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Sensors Journal Pub Date : 2025-03-19 DOI:10.1109/JSEN.2025.3549706

Xueping Pan;Haidong Chen;Jinpeng Guo;Xiaorong Sun;Wei Liang;Jun Han

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引用次数: 0

Abstract

In recent years, with the growing integration of variable frequency drives (VFDs) into the distribution network (DN), the dynamic characteristics of power loads have changed substantially. Typical DNs have hundreds of VFDs spread over a much larger area, it is impractical to represent each of the VFD explicitly. To find a reasonable representation that can reproduce the important behavior of different VFDs, a low-order generic model for different types of VFDs is developed. Then, we propose a new method for aggregating the generic VFD models, which provides detailed equivalence for the linear and nonlinear components and therefore has high accuracy. Finally, the aggregated VFD model is paralleled with the traditional composite load model (CLM), named variable frequency drives-composite load model (VFD-CLM), which is used to describe the overall dynamics of the DNs containing a high share of VFDs. Based on a practical DN with multiple types of VFDs, both the feasibility and applicability of the proposed VFD-CLM model are verified under different voltage dip faults. The proposed VFD model is low-order and generic, which can be easily implemented into the existing simulation platforms. In addition, the developed VFD-CLM model is much more accurate, which is beneficial for power system analysis and control.

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多VFD负荷配电网的通用VFD- clm等效模型

近年来，随着变频器在配电网中的应用越来越广泛，电力负荷的动态特性发生了很大的变化。典型的DNs有数百个VFD分布在更大的区域，显式表示每个VFD是不切实际的。为了找到能够再现不同vfd重要行为的合理表示，建立了不同类型vfd的低阶通用模型。然后，我们提出了一种新的通用VFD模型聚合方法，该方法为线性和非线性组件提供了详细的等效性，因此具有较高的精度。最后，将聚合VFD模型与传统的复合负载模型（CLM）进行了并联，称为变频驱动-复合负载模型（VFD-CLM），用于描述含有高VFD份额的DNs的整体动态。基于具有多种vfd类型的实际DN，在不同电压倾降故障下验证了所提VFD-CLM模型的可行性和适用性。所提出的VFD模型具有低阶通用性，易于在现有仿真平台中实现。此外，所建立的VFD-CLM模型精度更高，有利于电力系统的分析和控制。

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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来源期刊

IEEE Sensors Journal 工程技术-工程：电子与电气

CiteScore

7.70

自引率

14.00%

发文量

2058

审稿时长

5.2 months

期刊介绍： The fields of interest of the IEEE Sensors Journal are the theory, design , fabrication, manufacturing and applications of devices for sensing and transducing physical, chemical and biological phenomena, with emphasis on the electronics and physics aspect of sensors and integrated sensors-actuators. IEEE Sensors Journal deals with the following: -Sensor Phenomenology, Modelling, and Evaluation -Sensor Materials, Processing, and Fabrication -Chemical and Gas Sensors -Microfluidics and Biosensors -Optical Sensors -Physical Sensors: Temperature, Mechanical, Magnetic, and others -Acoustic and Ultrasonic Sensors -Sensor Packaging -Sensor Networks -Sensor Applications -Sensor Systems: Signals, Processing, and Interfaces -Actuators and Sensor Power Systems -Sensor Signal Processing for high precision and stability (amplification, filtering, linearization, modulation/demodulation) and under harsh conditions (EMC, radiation, humidity, temperature); energy consumption/harvesting -Sensor Data Processing (soft computing with sensor data, e.g., pattern recognition, machine learning, evolutionary computation; sensor data fusion, processing of wave e.g., electromagnetic and acoustic; and non-wave, e.g., chemical, gravity, particle, thermal, radiative and non-radiative sensor data, detection, estimation and classification based on sensor data) -Sensors in Industrial Practice