A synchronizing signal detection technique for grid voltage based on new CDSOGI-PLL
When the grid voltage contains many harmonics, the filtering effect of the phase-locked loop based on dual second-order generalized integrator (DSOGI-PLL) is not ideal, and the frequency of synchronous signal extracted through the DSOGI-PLL fluctuates. A novel phase-locked loop structure based on ca...
| Main Authors: | , |
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| Format: | Article |
| Language: | zho |
| Published: |
EDP Sciences
2023-10-01
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| Series: | Xibei Gongye Daxue Xuebao |
| Subjects: | |
| Online Access: | https://www.jnwpu.org/articles/jnwpu/full_html/2023/05/jnwpu2023415p842/jnwpu2023415p842.html |
| _version_ | 1797343878360072192 |
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| author | KE Shanwen LI Yuren |
| author_facet | KE Shanwen LI Yuren |
| author_sort | KE Shanwen |
| collection | DOAJ |
| description | When the grid voltage contains many harmonics, the filtering effect of the phase-locked loop based on dual second-order generalized integrator (DSOGI-PLL) is not ideal, and the frequency of synchronous signal extracted through the DSOGI-PLL fluctuates. A novel phase-locked loop structure based on cascade second order generalized integrator (CDSOGI-PLL) is proposed. The structure utilizes the cascaded SOGI module to simultaneously weaken the harmonics and inter-harmonics that exist in the grid voltage, thus reducing the influence of harmonics on the PLL and accurately extracting the grid voltage's synchronous signal. Matlab simulation and experimental results show that the signal detection technique proposed in the paper can effectively extract the fundamental positive sequence component, frequency and phase when the grid voltage is unbalanced and has many harmonics. |
| first_indexed | 2024-03-08T10:54:13Z |
| format | Article |
| id | doaj.art-55ee9d91a3a34a66928f3eb995c19357 |
| institution | Directory Open Access Journal |
| issn | 1000-2758 2609-7125 |
| language | zho |
| last_indexed | 2024-03-08T10:54:13Z |
| publishDate | 2023-10-01 |
| publisher | EDP Sciences |
| record_format | Article |
| series | Xibei Gongye Daxue Xuebao |
| spelling | doaj.art-55ee9d91a3a34a66928f3eb995c193572024-01-26T16:39:28ZzhoEDP SciencesXibei Gongye Daxue Xuebao1000-27582609-71252023-10-0141584284910.1051/jnwpu/20234150842jnwpu2023415p842A synchronizing signal detection technique for grid voltage based on new CDSOGI-PLLKE Shanwen0LI Yuren1School of Automation, Northwestern Polytechnical UniversitySchool of Automation, Northwestern Polytechnical UniversityWhen the grid voltage contains many harmonics, the filtering effect of the phase-locked loop based on dual second-order generalized integrator (DSOGI-PLL) is not ideal, and the frequency of synchronous signal extracted through the DSOGI-PLL fluctuates. A novel phase-locked loop structure based on cascade second order generalized integrator (CDSOGI-PLL) is proposed. The structure utilizes the cascaded SOGI module to simultaneously weaken the harmonics and inter-harmonics that exist in the grid voltage, thus reducing the influence of harmonics on the PLL and accurately extracting the grid voltage's synchronous signal. Matlab simulation and experimental results show that the signal detection technique proposed in the paper can effectively extract the fundamental positive sequence component, frequency and phase when the grid voltage is unbalanced and has many harmonics.https://www.jnwpu.org/articles/jnwpu/full_html/2023/05/jnwpu2023415p842/jnwpu2023415p842.html锁相环二阶广义积分器谐波基波正序分量 |
| spellingShingle | KE Shanwen LI Yuren A synchronizing signal detection technique for grid voltage based on new CDSOGI-PLL Xibei Gongye Daxue Xuebao 锁相环 二阶广义积分器 谐波 基波正序分量 |
| title | A synchronizing signal detection technique for grid voltage based on new CDSOGI-PLL |
| title_full | A synchronizing signal detection technique for grid voltage based on new CDSOGI-PLL |
| title_fullStr | A synchronizing signal detection technique for grid voltage based on new CDSOGI-PLL |
| title_full_unstemmed | A synchronizing signal detection technique for grid voltage based on new CDSOGI-PLL |
| title_short | A synchronizing signal detection technique for grid voltage based on new CDSOGI-PLL |
| title_sort | synchronizing signal detection technique for grid voltage based on new cdsogi pll |
| topic | 锁相环 二阶广义积分器 谐波 基波正序分量 |
| url | https://www.jnwpu.org/articles/jnwpu/full_html/2023/05/jnwpu2023415p842/jnwpu2023415p842.html |
| work_keys_str_mv | AT keshanwen asynchronizingsignaldetectiontechniqueforgridvoltagebasedonnewcdsogipll AT liyuren asynchronizingsignaldetectiontechniqueforgridvoltagebasedonnewcdsogipll AT keshanwen synchronizingsignaldetectiontechniqueforgridvoltagebasedonnewcdsogipll AT liyuren synchronizingsignaldetectiontechniqueforgridvoltagebasedonnewcdsogipll |