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Investigation of New Low-Frequency Oscillation Caused by Converter-Interfaced Generations With MMC-HVDC Transmission
IF 3.8 2区 工程技术
IEEE Transactions on Power Delivery Pub Date : 2025-01-28 DOI: 10.1109/TPWRD.2025.3535690
Jieyi Xu;Xiaorong Xie;Wenkai Dong;Peng Yu;Jiawei Xing
{"title":"Investigation of New Low-Frequency Oscillation Caused by Converter-Interfaced Generations With MMC-HVDC Transmission","authors":"Jieyi Xu;Xiaorong Xie;Wenkai Dong;Peng Yu;Jiawei Xing","doi":"10.1109/TPWRD.2025.3535690","DOIUrl":"10.1109/TPWRD.2025.3535690","url":null,"abstract":"The intricate dynamics in renewables transmitted through modular multilevel converter based high voltage direct current (MMC-HVDC) may induce new low-frequency oscillation (LFO). This stability issue has not been deeply explored in existing literature. In light of this, this paper establishes a representative model of converter-interfaced generations (CIGs) with MMC-HVDC transmission. Then, eigenvalue-based analyses, time-domain simulations, and block diagrams are employed to investigate the mechanism and characteristics of the new LFO. For the first time, this paper indicates the coexistence of two LFO modes in such a system, which could become unstable simultaneously. The LFO modes mainly originate from the interaction among the phase-locked loop (PLL) of CIGs, DC voltage control of CIGs, and AC voltage control of MMC. These loops’ contributions to two LFO modes are sensitive to certain parameter settings. The paper further analyzes the key factors affecting LFO characteristics, including the control parameters of CIGs and MMC, and the number of online CIGs. Possible control measures for this new oscillation issue are also discussed.","PeriodicalId":13498,"journal":{"name":"IEEE Transactions on Power Delivery","volume":"40 2","pages":"1067-1077"},"PeriodicalIF":3.8,"publicationDate":"2025-01-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143054942","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Analytical Calculation Models for Bipolar MMC-HVDC Systems Under Valve-Side Single-Phase-to-Ground Faults
IF 3.8 2区 工程技术
IEEE Transactions on Power Delivery Pub Date : 2025-01-28 DOI: 10.1109/TPWRD.2025.3535703
Pingyang Sun;Gen Li;Hanwen Zhang;Jun Liang;Georgios Konstantinou
{"title":"Analytical Calculation Models for Bipolar MMC-HVDC Systems Under Valve-Side Single-Phase-to-Ground Faults","authors":"Pingyang Sun;Gen Li;Hanwen Zhang;Jun Liang;Georgios Konstantinou","doi":"10.1109/TPWRD.2025.3535703","DOIUrl":"10.1109/TPWRD.2025.3535703","url":null,"abstract":"This paper proposes two analytical valve-side single-phase-to-ground (SPG) fault calculation models for bipolar modular multilevel converter-based high-voltage direct current (MMC-HVDC) system. The first model is applicable to the half-bridge submodule (HBSM) configuration, and the second is suitable for the full-bridge submodules (FBSMs) or hybrid SMs with different FBSM ratios. In each calculation model, two post-fault equivalent MMC circuits are established following converter blocking for the independent study of the upper and lower arms. The detailed expression of the post-fault voltages and currents in each arm, valve-side, and grid-side are obtained from the proposed calculation models. Moreover, the applicability of the calculation models for solid, inductive, and resistive dc-grounding methods is also demonstrated, along with a further discussion on the influence of MMC arm/grid-side resistance as well as varying fault-grounding impedance. Multiple bipolar MMC-HVDC systems, incorporating HBSM, FBSM, and hybrid SM configurations, are developed in PSCAD/EMTDC to validate the accuracy of the proposed analytical calculation models.","PeriodicalId":13498,"journal":{"name":"IEEE Transactions on Power Delivery","volume":"40 2","pages":"988-1001"},"PeriodicalIF":3.8,"publicationDate":"2025-01-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143054895","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Multi-Winding Power Transformer Modeling for Fast-Front Transients
IF 3.8 2区 工程技术
IEEE Transactions on Power Delivery Pub Date : 2025-01-28 DOI: 10.1109/TPWRD.2025.3535419
Farzad Nasirpour;Tianming Luo;Mohamad Ghaffarian Niasar;Marjan Popov
{"title":"Multi-Winding Power Transformer Modeling for Fast-Front Transients","authors":"Farzad Nasirpour;Tianming Luo;Mohamad Ghaffarian Niasar;Marjan Popov","doi":"10.1109/TPWRD.2025.3535419","DOIUrl":"10.1109/TPWRD.2025.3535419","url":null,"abstract":"This paper presents a comprehensive model for power transformers, by considering eddy current losses in both the core and conductors. This is achieved through a meticulous analytical approach that ensures high fidelity in representing the transformer's electromagnetic properties. The consideration of magnetic flux effects on inductance and resistance values significantly enhances the model's accuracy and validity. Traditional analytical methods often resort to simplified approaches due to the complexity of these calculations. The paper addresses these limitations by evaluating the eddy current losses in the core and conductors, and by providing a detailed understanding of each component's impact on transformer behavior. Furthermore, by considering the core and conductor effects on the magnetic field distribution, the model handles a wide range of frequencies, making it suitable for conducting comprehensive transient analysis. To validate the model, comparisons with the finite element method and empirical measurements are conducted. Additionally, a reduced-order transformer model is developed using admittance matrix reduction. This approach focuses on the nodes of interest, effectively eliminating not-observed nodes and reducing computational complexity without compromising accuracy. In this way, voltages at specific points of interest are computed efficiently, maintaining the accuracy of the original model.","PeriodicalId":13498,"journal":{"name":"IEEE Transactions on Power Delivery","volume":"40 2","pages":"1054-1066"},"PeriodicalIF":3.8,"publicationDate":"2025-01-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143054943","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Interaction Analysis Among Multiple Series-Parallel Connected LCC/MMC in Hybrid Cascaded HVDC System
IF 3.8 2区 工程技术
IEEE Transactions on Power Delivery Pub Date : 2025-01-27 DOI: 10.1109/TPWRD.2025.3534326
Chunyi Guo;Wei Zhao
{"title":"Interaction Analysis Among Multiple Series-Parallel Connected LCC/MMC in Hybrid Cascaded HVDC System","authors":"Chunyi Guo;Wei Zhao","doi":"10.1109/TPWRD.2025.3534326","DOIUrl":"10.1109/TPWRD.2025.3534326","url":null,"abstract":"The series-parallel structure of multiple LCC/MMCs in hybrid cascaded HVDC (HC-HVDC) system facilitates flexible power transmission to different load areas, however, could introduce potential risk of instability arising from intricate interactions among multiple converters under weak AC system. To investigate the interaction paths among multiple converters and quantitatively evaluate their contributions to the system stability, this article establishes the state-space model and the motion equation model integrating multiple converters for HC-HVDC system. Then, based on the path decomposition method, the open-loop transfer function is decomposed into five damping paths viewed from the equivalent inductor of LCC inverter. This offers a perspective on system damping characteristics to reflect the key paths and contributing converters leading to the weak damping of dominant oscillatory mode. The impact of LCC inverter's self-stabilizing path, as well as the en-stabilizing paths involving the components related to interactions between LCC inverter and each MMC, and interactions among series-parallel connected multiple converters, on system stability is clearly quantified. Moreover, the outcome of controller bandwidth variations on the damping characteristics of different paths is studied, providing insights into adjusting control parameters to enhance the system damping under weak AC system. It is indicated that the interaction between DC-voltage-controlled <inline-formula><tex-math>$text{MMC}_{1}$</tex-math></inline-formula> and LCC inverter, as well as the interactions among multiple converters, provide negative damping on system stability. The critical interaction paths contributing to negative damping and the identified sensitivity parameters can offer valuable insights for further enhancement of system stability in HC-HVDC system.","PeriodicalId":13498,"journal":{"name":"IEEE Transactions on Power Delivery","volume":"40 2","pages":"974-987"},"PeriodicalIF":3.8,"publicationDate":"2025-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143050100","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Share Your Preprint Research with the World!
IF 3.8 2区 工程技术
IEEE Transactions on Power Delivery Pub Date : 2025-01-23 DOI: 10.1109/TPWRD.2025.3528207
{"title":"Share Your Preprint Research with the World!","authors":"","doi":"10.1109/TPWRD.2025.3528207","DOIUrl":"10.1109/TPWRD.2025.3528207","url":null,"abstract":"","PeriodicalId":13498,"journal":{"name":"IEEE Transactions on Power Delivery","volume":"40 1","pages":"664-664"},"PeriodicalIF":3.8,"publicationDate":"2025-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10851376","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143027160","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
IEEE Power & Energy Society Information
IF 3.8 2区 工程技术
IEEE Transactions on Power Delivery Pub Date : 2025-01-23 DOI: 10.1109/TPWRD.2025.3527068
{"title":"IEEE Power & Energy Society Information","authors":"","doi":"10.1109/TPWRD.2025.3527068","DOIUrl":"10.1109/TPWRD.2025.3527068","url":null,"abstract":"","PeriodicalId":13498,"journal":{"name":"IEEE Transactions on Power Delivery","volume":"40 1","pages":"C2-C2"},"PeriodicalIF":3.8,"publicationDate":"2025-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10851456","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143027159","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Introducing the IEEE PES Resource Center
IF 3.8 2区 工程技术
IEEE Transactions on Power Delivery Pub Date : 2025-01-23 DOI: 10.1109/TPWRD.2025.3528206
{"title":"Introducing the IEEE PES Resource Center","authors":"","doi":"10.1109/TPWRD.2025.3528206","DOIUrl":"10.1109/TPWRD.2025.3528206","url":null,"abstract":"","PeriodicalId":13498,"journal":{"name":"IEEE Transactions on Power Delivery","volume":"40 1","pages":"663-663"},"PeriodicalIF":3.8,"publicationDate":"2025-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10851450","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143027158","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
IEEE Transactions on Power Delivery Information for Authors
IF 3.8 2区 工程技术
IEEE Transactions on Power Delivery Pub Date : 2025-01-23 DOI: 10.1109/TPWRD.2025.3527069
{"title":"IEEE Transactions on Power Delivery Information for Authors","authors":"","doi":"10.1109/TPWRD.2025.3527069","DOIUrl":"10.1109/TPWRD.2025.3527069","url":null,"abstract":"","PeriodicalId":13498,"journal":{"name":"IEEE Transactions on Power Delivery","volume":"40 1","pages":"C3-C3"},"PeriodicalIF":3.8,"publicationDate":"2025-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10851375","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143027163","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Blank Page
IF 3.8 2区 工程技术
IEEE Transactions on Power Delivery Pub Date : 2025-01-23 DOI: 10.1109/TPWRD.2025.3527070
{"title":"Blank Page","authors":"","doi":"10.1109/TPWRD.2025.3527070","DOIUrl":"10.1109/TPWRD.2025.3527070","url":null,"abstract":"","PeriodicalId":13498,"journal":{"name":"IEEE Transactions on Power Delivery","volume":"40 1","pages":"C4-C4"},"PeriodicalIF":3.8,"publicationDate":"2025-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10851452","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143027157","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Pseudo-Incremental Normalized Quantity-Based Phase Selection Method for Systems With Conventional and Inverter-Based Resources 基于常规资源和逆变器资源系统的伪增量归一化定量选相方法
IF 3.8 2区 工程技术
IEEE Transactions on Power Delivery Pub Date : 2025-01-22 DOI: 10.1109/TPWRD.2025.3532111
Felipe V. Lopes;Moisés J. B. B. Davi;Eduardo J. S. Leite;Raphael L. A. Reis;Kleber M. Silva;Guilherme Zat;Mário Oleskovicz
{"title":"Pseudo-Incremental Normalized Quantity-Based Phase Selection Method for Systems With Conventional and Inverter-Based Resources","authors":"Felipe V. Lopes;Moisés J. B. B. Davi;Eduardo J. S. Leite;Raphael L. A. Reis;Kleber M. Silva;Guilherme Zat;Mário Oleskovicz","doi":"10.1109/TPWRD.2025.3532111","DOIUrl":"10.1109/TPWRD.2025.3532111","url":null,"abstract":"This letter proposes a settings-free Pseudo-Incremental Normalized (PIN) quantity-based phase selection method, which is suitable for systems with conventional and inverter-based resources (IBRs). The proposed solution process voltage and current PIN components in the same way, being flexible for applications in weak and strong terminals. The proposed method is initially evaluated by means of PSCAD simulations with the aim to compare it against five other competing solutions. Then, real-world records are used to validate the proposed method application in actual fault scenarios. In both evaluation stages, faults on lines that interconnect IBRs to synchronous generator-dominated grids are considered, allowing to assess the proposed solution under the influence of conventional generations and IBRs. The obtained results attest that the proposed phase selection method is robust, flexible and reliable, being promising for systems with conventional generations and/or IBRs.","PeriodicalId":13498,"journal":{"name":"IEEE Transactions on Power Delivery","volume":"40 2","pages":"1227-1230"},"PeriodicalIF":3.8,"publicationDate":"2025-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143020752","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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