新能源汽車高壓配電系統(tǒng)共模干擾機(jī)理研究及抑制對(duì)策

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關(guān)鍵詞：新能源汽車；高壓配電系統(tǒng)；共模干擾；電磁兼容性；抑制策略

中圖分類號(hào)：U469.7 收稿日期：2025-05-17 DOI： 10.19999/j.cnki.1004-0226.2025.07.008

Research on Common Mode Interference Mechanism and Suppression Strategies for High-Voltage Power Distribution System in New Energy Vehicles

Li Guanglin Guizhou Mechanical and Electrical Polytechnic，Duyun 558ooo，China

Abstract：Withtheapiddevelopmentofnewenergyvehicletechnology，electromagneticcompatiblityisuesinhighvoltage powerdistributionsystemshavebecomeincreasinglyprominent.Commonmodeinterference，asthemainformofdisturbance，seriouslyfectstheeliabilityndfetyofehicleelectricalsystems.herefore，tispaperthroughlyivestgatestheommonmoditefe encemechanisminig-voltagepowerdistrbutionsystemsofnewenergyvehicles，analyzestestructuralcharacteristicsandworking principlesofhighvoltagepowerdistributionsystems，andfocusesonthecommonmodecurrentpropagationpathandinfuencingfac torsduringpowerconverterswitchingprocesses.Basedonthis，thepaperproposessystem-levelcommonmodeinterferencesupressionstrategiesaddevice-evelcommonodeinterferencesuppressionsoutions.Theproposedsupressonetodscanefectivelyre ducesystemcommonmodeinterferencelevels，providingimportantreferencesforEMCdesignofhigh-voltagepowerdistrbutionsys temsin new energy vehicles.

Keywords：Newenergyvehicles;High-voltagepowerdistributionsystem;Commonmodeinterference;Electromagneticcompatibility;Suppression strategies

1前言

近年來，新能源汽車產(chǎn)業(yè)快速發(fā)展，高壓配電系統(tǒng)作為其核心部件，其電磁兼容性問題日益凸顯。（剩余4402字）