Time-Frequency Characteristics Research of Common Mode Current in PWM Motor System
With the increasing of switching frequency in pulsewidth modulated motor system, common mode current (CMC) seriously affects the reliable operation of motor system and it has become a problem that cannot be ignored. This paper proposes a mathematical model of CMC and conducts detailed time-frequency...
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| Veröffentlicht in: | IEEE transactions on power electronics 2020-02, Vol.35 (2), p.1450-1458 |
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| container_title | IEEE transactions on power electronics |
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| creator | Cao, Shiran Niu, Feng Huang, Xiaoyan Huang, Shaopo Wang, Yao Li, Kui Fang, Youtong |
| description | With the increasing of switching frequency in pulsewidth modulated motor system, common mode current (CMC) seriously affects the reliable operation of motor system and it has become a problem that cannot be ignored. This paper proposes a mathematical model of CMC and conducts detailed time-frequency characteristics analysis of CMC. The influence of several key parameters of motor system, such as distributed capacitance, dc bus voltage, and inverter switching frequency, on CMC characteristics has been analyzed in detail, and the corresponding variation rule of CMC oscillation amplitude and attenuation period/time has been summarized. The experimental results are presented to verify the correctness of theoretical analysis. The conclusions of this paper can lay theoretical foundation for the effective suppression of CMC in various practical applications. |
| doi_str_mv | 10.1109/TPEL.2019.2916686 |
| format | Article |
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This paper proposes a mathematical model of CMC and conducts detailed time-frequency characteristics analysis of CMC. The influence of several key parameters of motor system, such as distributed capacitance, dc bus voltage, and inverter switching frequency, on CMC characteristics has been analyzed in detail, and the corresponding variation rule of CMC oscillation amplitude and attenuation period/time has been summarized. The experimental results are presented to verify the correctness of theoretical analysis. The conclusions of this paper can lay theoretical foundation for the effective suppression of CMC in various practical applications.</description><identifier>ISSN: 0885-8993</identifier><identifier>EISSN: 1941-0107</identifier><identifier>DOI: 10.1109/TPEL.2019.2916686</identifier><identifier>CODEN: ITPEE8</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Attenuation ; Capacitance ; Common mode current (CMC) ; Data buses ; Electromagnetic interference ; Frequencies ; Frequency analysis ; Inductance ; inverter ; Inverters ; Permanent magnet motors ; Pulse width modulation ; pulsewidth modulated (PWM) motor system ; Switching ; time–frequency characteristics</subject><ispartof>IEEE transactions on power electronics, 2020-02, Vol.35 (2), p.1450-1458</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. 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The conclusions of this paper can lay theoretical foundation for the effective suppression of CMC in various practical applications.</description><subject>Attenuation</subject><subject>Capacitance</subject><subject>Common mode current (CMC)</subject><subject>Data buses</subject><subject>Electromagnetic interference</subject><subject>Frequencies</subject><subject>Frequency analysis</subject><subject>Inductance</subject><subject>inverter</subject><subject>Inverters</subject><subject>Permanent magnet motors</subject><subject>Pulse width modulation</subject><subject>pulsewidth modulated (PWM) motor system</subject><subject>Switching</subject><subject>time–frequency characteristics</subject><issn>0885-8993</issn><issn>1941-0107</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kE1Lw0AQhhdRsFZ_gHhZ8Jw6s1_ZPUpoVWix1IrHELcTmmKSupse-u9NaPH0wvC8M8PD2D3CBBHc03o5nU8EoJsIh8ZYc8FG6BQmgJBeshFYqxPrnLxmNzHuAFBpwBFbrauaklmg3wM1_sizbREK31GoYlf5yFcUqQh-y9uSZ21dtw1ftBvi2SEEajpeNXz5tehnXRv4xzF2VN-yq7L4iXR3zjH7nE3X2Wsyf395y57niRdOdolUjgRZAwpdH9-qTIXRQoMRWgPoQqSA1pcWFRmFVAA4u3E-tVLKwgs5Zo-nvfvQ9t_HLt-1h9D0J3Mh0WijUjlQeKJ8aGMMVOb7UNVFOOYI-aAuH9Tlg7r8rK7vPJw6FRH98zZFqZWVf53taAU</recordid><startdate>20200201</startdate><enddate>20200201</enddate><creator>Cao, Shiran</creator><creator>Niu, Feng</creator><creator>Huang, Xiaoyan</creator><creator>Huang, Shaopo</creator><creator>Wang, Yao</creator><creator>Li, Kui</creator><creator>Fang, Youtong</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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This paper proposes a mathematical model of CMC and conducts detailed time-frequency characteristics analysis of CMC. The influence of several key parameters of motor system, such as distributed capacitance, dc bus voltage, and inverter switching frequency, on CMC characteristics has been analyzed in detail, and the corresponding variation rule of CMC oscillation amplitude and attenuation period/time has been summarized. The experimental results are presented to verify the correctness of theoretical analysis. The conclusions of this paper can lay theoretical foundation for the effective suppression of CMC in various practical applications.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TPEL.2019.2916686</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0003-2465-647X</orcidid><orcidid>https://orcid.org/0000-0001-5185-9040</orcidid><orcidid>https://orcid.org/0000-0002-6535-7196</orcidid><orcidid>https://orcid.org/0000-0002-3866-6700</orcidid></addata></record> |
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| language | eng |
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| subjects | Attenuation Capacitance Common mode current (CMC) Data buses Electromagnetic interference Frequencies Frequency analysis Inductance inverter Inverters Permanent magnet motors Pulse width modulation pulsewidth modulated (PWM) motor system Switching time–frequency characteristics |
| title | Time-Frequency Characteristics Research of Common Mode Current in PWM Motor System |
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