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基于铁路静态功率调节器(RPC)的V/v牵引供电系统负序电流优化控制

Negative Sequence Current Optimizing Control Based on Railway Static Power Conditioner in V/v Traction Power Supply System

语言:

中文摘要

为充分发挥铁路静态功率调节器(RPC)在V/v牵引供电系统中抑制负序电流的作用,本文分析了负序电流的产生机理及补偿机制。在电压波动、功率因数、设备容量及变压器绕组容量等约束条件下,建立了负序电流最小化的数学模型,并提出了相应的优化控制策略。

English Abstract

In order to bring railway static power conditioner (RPC) into full play in suppressing negative sequence current in the V/v traction power supply system, the reason of negative sequence current and compensation mechanism were analyzed, and the mathematical model with minimum negative sequence current under the constraint of voltage fluctuation, power factor, device capacity, transformer winding ca...
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SunView 深度解读

该研究关注电力电子装置在复杂电网环境下的电能质量治理与负序补偿,其核心控制逻辑与阳光电源的并网逆变器及储能变流器(PCS)在弱电网下的电能质量优化、不平衡负载补偿技术具有底层技术共性。虽然该文针对铁路牵引领域,但其提出的多约束条件下负序电流抑制算法,可为阳光电源iSolarCloud平台下的电网支撑功能优化提供理论参考,特别是针对工业园区等存在严重三相不平衡负载场景下的电能质量治理产品开发具有一定的借鉴意义。