Donghai Li - IEEE Xplore Author Profile

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Author details

Donghai Li

Also published under: Dong-hai Li, DongHhai Li, D. H. Li, Dong-Hai Li

Publications

92

Citations

628

Publications by Year

20062024

Co-Authors:

Renming BaiSujuan ChaiShihe ChenYangquan ChenShunjia Chen

Show All Co-Authors (124)

Donghai Li

Also published under: Dong-hai Li, DongHhai Li, D. H. Li, Dong-Hai Li

Affiliation

State Key Laboratory of Power Systems

Department of Energy and Power Engineering

Tsinghua University, Beijing, China

Publication Topics

Active Disturbance Rejection Control,
Disturbance Rejection,
External Disturbances,
Control Performance,
Transfer Function,
Closed-loop System,
Control Strategy,
Extended State Observer,
Tracking Performance,
Coal Power,
Control Difficulties,
Control Signal

Biography

Donghai Li received the Ph.D. degree in control theory from Tsinghua University, Beijing, China, in 1994. He is currently an Associate Professor in the State Key Lab of Power Systems, Department of Thermal Engineering, Tsinghua University. His research interests include modeling, control, and simulation of energy systems. He was an Associate Editor of the International Journal of Systems Science and a member of the IFAC Power & Energy Technical Committee.(Based on document published on 20 July 2017).

Publications

92

Citations

628

Publications by Year

20062024

Co-Authors:

Renming Bai
Sujuan Chai
Shihe Chen
Yangquan Chen
Shunjia Chen

Show All Co-Authors (124)

Author's Published Works

Search History

Showing 1-25 of 34 results

Journals (16)

Conferences (15)

Early Access Articles (3)

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Zhiwei Xie(33)
Yandong Chen(32)
Wenhua Wu(26)
Leming Zhou(8)
Xiaoping Zhou(7)
College of Electrical and Information Engineering, Hunan University, Changsha, China(18)
National Electric Power Conversion and Control Engineering Technology Research Center, Hunan University, Changsha, China(6)
National Engineering Research Center for Power Conversion and Control, Hunan University, Changsha, China(4)
Department of Energy Technology, Aalborg University, Aalborg, Denmark(3)
Electric Power Research Institute of Guangxi Power Grid Company Ltd., Nanning, China(3)
IEEE Transactions on Industrial Electronics(8)
IECON 2017 - 43rd Annual Conference of the IEEE Industrial Electronics Society(3)
IEEE Journal of Emerging and Selected Topics in Power Electronics(3)
2019 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC)(2)
IEEE Access(2)
IEEE(32)
CSEE(1)
SGEPRI(1)
Beijing, China(3)
Nanjing, China(3)
Macao, China(2)
Shanghai, China(2)
Hefei, China(1)
Phase-locked Loop(20)
Grid-connected Inverter(19)
Grid Impedance(16)
Impedance Model(16)
Weak Grid(14)

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Results

Stability Region Estimation and Decentralized Transient Control for Parallel Grid-tied Grid-forming Inverters

Cong Luo;Yandong Chen;Shuhan Liao;Zhiwei Xie;Zhijie Lian;Zili Wang;Xiaoke Liu;Mingkun Gao;Jiawei Xie

IEEE Transactions on Sustainable Energy

Year: 2025 | Early Access Article |

Renewable energy sources are highly penetrated in power system through Grid-forming inverter (GFMI). Transient stability of single GFMI system under severe grid fault has been thoroughly analyzed in recent years, but quantitative analysis for parallel grid-tied GFMI system is rarely studied. To fill this gap, the large signal equivalent model of parallel system considering the interaction between ...Show More

Stability Region Estimation and Decentralized Transient Control for Parallel Grid-tied Grid-forming Inverters

Cong Luo;Yandong Chen;Shuhan Liao;Zhiwei Xie;Zhijie Lian;Zili Wang;Xiaoke Liu;Mingkun Gao;Jiawei Xie

IEEE Transactions on Sustainable Energy

Year: 2025 | Early Access Article |

Fast Frequency Support of Self-Synchronizing Voltage Source Inverter under Weak Grid Based on Adaptive Additional Damping Control

Youze Fu;Yandong Chen;Zili Wang;Zhiwei Xie;Xuyang Li

Journal of Modern Power Systems and Clean Energy

Year: 2025 | Early Access Article |

The self-synchronizing voltage source inverter (SS-VSI) is widely studied because of its grid-forming capability. However, the slow response of the active power control loop (APCL) under the weak grid makes it difficult for the SSVSI to quickly support the frequency of a low-inertia grid. In this paper, a grid framework is established to analyze the SSVSI frequency support service process, and the...Show More

Fast Frequency Support of Self-Synchronizing Voltage Source Inverter under Weak Grid Based on Adaptive Additional Damping Control

Youze Fu;Yandong Chen;Zili Wang;Zhiwei Xie;Xuyang Li

Journal of Modern Power Systems and Clean Energy

Year: 2025 | Early Access Article |

Orientation Detection Method Based on Non-Imaging Concentrator System and Hyperparameter Search

Tianqi Chen;Zhiwei Xie;Qiao Qiu;Zhanqiang Ru;Fei Wang;Shengli Chang

IEEE Photonics Technology Letters

Year: 2025 | Volume: 37, Issue: 1 | Journal Article |

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The concentrator system is widely used in photovoltaic power generation technology. This letter introduces the concentrator system into orientation detection. It proposes an innovative method combining a non-imaging concentrator system, a data collection electronic system, and a deep residual network(ResNet) algorithm optimized through hyperparameter search. The concentrator system comprises a pri...Show More

Orientation Detection Method Based on Non-Imaging Concentrator System and Hyperparameter Search

Tianqi Chen;Zhiwei Xie;Qiao Qiu;Zhanqiang Ru;Fei Wang;Shengli Chang

IEEE Photonics Technology Letters

Year: 2025 | Volume: 37, Issue: 1 | Journal Article |

Design-Oriented Analysis and Transient Control for VSG With Current Saturation Unit

Cong Luo;Yandong Chen;Shuhan Liao;Zili Wang;Zhiwei Xie;Zhijie Lian

IEEE Transactions on Power Electronics

Year: 2025 | Volume: 40, Issue: 1 | Journal Article |

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Under grid fault condition, virtual synchronous generator (VSG) is prone to transient instability due to the existence of current saturation unit (CSU), which has been extensively studied. However, the CSU in existing literatures is characterized by a fixed saturation angle, overlooking the impact of saturation angle on transient instability. To fill this gap, a design-oriented analysis for VSG wi...Show More

Design-Oriented Analysis and Transient Control for VSG With Current Saturation Unit

Cong Luo;Yandong Chen;Shuhan Liao;Zili Wang;Zhiwei Xie;Zhijie Lian

IEEE Transactions on Power Electronics

Year: 2025 | Volume: 40, Issue: 1 | Journal Article |

Oscillation suppression strategy for direct drive wind power system based on voltage feedforward compensation for phase locked loop

Haining Wang;Zhiwei Xie;Yandong Chen;Wenhua Wu;Zili Wang

CSEE Journal of Power and Energy Systems

Year: 2024 | Early Access Article |

Due to the fact that the impedance of grid interacts with that of direct-drive wind turbines under weak grid, the direct-drive wind power system (DDWPS) possesses the risk of power oscillation. Given that phase-locked loop (PLL) is the crucial factor that hinders DDWPS stability under weak grid, the following has been achieved: firstly, potential factors influencing PLL output phase angle stabilit...Show More

Oscillation suppression strategy for direct drive wind power system based on voltage feedforward compensation for phase locked loop

Haining Wang;Zhiwei Xie;Yandong Chen;Wenhua Wu;Zili Wang

CSEE Journal of Power and Energy Systems

Year: 2024 | Early Access Article |

Two-Stage Transient Control for VSG Considering Fault Current Limitation and Transient Angle Stability

Cong Luo;Yandong Chen;Yuancan Xu;Zili Wang;Shuhan Liao;Zhiwei Xie;Qianyuan Li

IEEE Transactions on Industrial Electronics

Year: 2024 | Volume: 71, Issue: 7 | Journal Article |

Cited by: Papers (4)

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Transient angle instability and fault overcurrent are two serious problems affecting the safe operation of the virtual synchronous generator during grid faults. However, the two aspects are mostly treated as two independent problems in existing studies. In this article, taking both transient angle instability and fault overcurrent into consideration, a two-stage transient control collaboratively u...Show More

Two-Stage Transient Control for VSG Considering Fault Current Limitation and Transient Angle Stability

Cong Luo;Yandong Chen;Yuancan Xu;Zili Wang;Shuhan Liao;Zhiwei Xie;Qianyuan Li

IEEE Transactions on Industrial Electronics

Year: 2024 | Volume: 71, Issue: 7 | Journal Article |

Broadband Oscillation Suppression Method for Renewable Energy Grid-Connected System Based on Frequency-Selected Virtual Impedance Compensation Strategy of Power Conversion System

Ke Zhou;Yucheng Liu;Haoze Zhuo;Qingren Jin;Yandong Chen;Zhiwei Xie

2023 2nd Asia Power and Electrical Technology Conference (APET)

Year: 2023 | Conference Paper |

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When renewable energy grid-connected system is connected to the weak grid, there will be the risk of broadband oscillation. In this paper, a frequency-selected virtual impedance (FSVI) compensation strategy based on power conversion system (PCS) is proposed to solve the broadband oscillation problem of renewable energy grid-connected system with PCS. The proposed control strategy can accurately lo...Show More

Broadband Oscillation Suppression Method for Renewable Energy Grid-Connected System Based on Frequency-Selected Virtual Impedance Compensation Strategy of Power Conversion System

Ke Zhou;Yucheng Liu;Haoze Zhuo;Qingren Jin;Yandong Chen;Zhiwei Xie

2023 2nd Asia Power and Electrical Technology Conference (APET)

Year: 2023 | Conference Paper |

Adaptive Active Damping Control Method for Power Conversion System to Suppress Sub-/Super-Synchronous Oscillation of PMSG Grid-Connected System

Ke Zhou;Zilin Zhang;Wenhua Wu;Zhiwei Xie;Yandong Chen;Qingren Jin

2023 IEEE International Conference on Energy Internet (ICEI)

Year: 2023 | Conference Paper |

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This paper proposes an adaptive active damping control method for the power conversion system (PCS) to address the issue of sub-/super-synchronous oscillations caused by the connection of drive permanent magnet synchronous generator (PMSG) grid-connected systems to weak grids. Firstly, the impedance model of the PMSG grid-connected system with a power conversion system is established and the imped...Show More

Adaptive Active Damping Control Method for Power Conversion System to Suppress Sub-/Super-Synchronous Oscillation of PMSG Grid-Connected System

Ke Zhou;Zilin Zhang;Wenhua Wu;Zhiwei Xie;Yandong Chen;Qingren Jin

2023 IEEE International Conference on Energy Internet (ICEI)

Year: 2023 | Conference Paper |

A Phase Compensation Method for Improving the Stability of Grid-connected Inverter in Weak Grid

Chen Zhao;Yandong Chen;Zhiwei Xie;Wenhua Wu;Jiacheng Xu;Jiawei Xie

2023 10th International Forum on Electrical Engineering and Automation (IFEEA)

Year: 2023 | Conference Paper |

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With the large-scale application of renewable energy converter equipment in the power grid, the system stability issue becomes serious increasingly. The three-phase voltage-source converter has a wide application prospect in power system, because it can control grid-connected current and inject power quickly and precisely. The gird voltage feedforward is usually used in grid-connected inverter to ...Show More

A Phase Compensation Method for Improving the Stability of Grid-connected Inverter in Weak Grid

Chen Zhao;Yandong Chen;Zhiwei Xie;Wenhua Wu;Jiacheng Xu;Jiawei Xie

2023 10th International Forum on Electrical Engineering and Automation (IFEEA)

Year: 2023 | Conference Paper |

Coordinated Power Control of Photovoltaic-Battery Generation System Based on Self-Synchronizing Voltage Source Inverter

Youze Fu;Yandong Chen;Zhiwei Xie;Zhijie Lian;Shixiang Cao;Zhiwei Zhu

IECON 2023- 49th Annual Conference of the IEEE Industrial Electronics Society

Year: 2023 | Conference Paper |

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In a photovoltaic-battery (PV-Bat) power generation system, self-synchronizing voltage source inverters (SSVSI) are a promising technology for improving the grid inertia and frequency stability. However, SSVSI's grid frequency support and photovoltaic power fluctuations will lead to system power imbalance. To improve the utilization efficiency of photovoltaic energy and avoid the sharp fluctuation...Show More

Coordinated Power Control of Photovoltaic-Battery Generation System Based on Self-Synchronizing Voltage Source Inverter

Youze Fu;Yandong Chen;Zhiwei Xie;Zhijie Lian;Shixiang Cao;Zhiwei Zhu

IECON 2023- 49th Annual Conference of the IEEE Industrial Electronics Society

Year: 2023 | Conference Paper |

Identification Modeling of Frequency-Coupling Admittance for Grid-Connected Inverter Under All Operating Conditions

Zilin Zhang;Wenhua Wu;Zhiwei Xie;Yandong Chen;Shixiang Cao;Cong Luo

2023 IEEE 6th International Electrical and Energy Conference (CIEEC)

Year: 2023 | Conference Paper |

Cited by: Papers (2)

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The control structure and parameters of the grid-connected inverter in actual projects are usually unknown, which results in the “black-box” phenomenon. The traditional impedance modeling method is not suitable for the black-box. In this paper, a black-box identification method for the admittance of grid-connected inverters under all operating conditions considering frequency-coupling is proposed....Show More

Identification Modeling of Frequency-Coupling Admittance for Grid-Connected Inverter Under All Operating Conditions

Zilin Zhang;Wenhua Wu;Zhiwei Xie;Yandong Chen;Shixiang Cao;Cong Luo

2023 IEEE 6th International Electrical and Energy Conference (CIEEC)

Year: 2023 | Conference Paper |

Sequence-Admittance Measurement Method of Grid-Connected Inverter With Its Control System Disturbance

Zhiwei Xie;Wenhua Wu;Yandong Chen;Shixiang Cao;Yuancan Xu

IEEE Transactions on Industrial Electronics

Year: 2023 | Volume: 70, Issue: 8 | Journal Article |

Cited by: Papers (7)

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The impedance or admittance characteristics of the grid-connected inverter play an important role in its stability analysis. The traditional sequence-admittance measurement methods of the grid-connected inverter mostly rely on special admittance measurement equipment or adjacent grid-connected inverters for disturbance injection. Because of high hardware cost or inconvenience, the abovementioned m...Show More

Sequence-Admittance Measurement Method of Grid-Connected Inverter With Its Control System Disturbance

Zhiwei Xie;Wenhua Wu;Yandong Chen;Shixiang Cao;Yuancan Xu

IEEE Transactions on Industrial Electronics

Year: 2023 | Volume: 70, Issue: 8 | Journal Article |

Admittance-Based Stability Analysis of Current-Controlled VSG Considering the Frequency Coupling Characteristics

Haining Wang;Zhiwei Xie;Yandong Chen;Wenhua Wu;Zili Wang;Gang Lin;Jian Guo

IEEE Journal of Emerging and Selected Topics in Power Electronics

Year: 2023 | Volume: 11, Issue: 1 | Journal Article |

Cited by: Papers (7)

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Due to the dynamic interaction between the inverter and the grid, the inverter may have power oscillation problems under a weak grid. In this article, considering frequency coupling, the more precise broadband sequence admittance model of the current-controlled virtual synchronous generator (CVSG) is established, and the admittance characteristics of CVSG and traditional grid-connected inverter (T...Show More

Admittance-Based Stability Analysis of Current-Controlled VSG Considering the Frequency Coupling Characteristics

Haining Wang;Zhiwei Xie;Yandong Chen;Wenhua Wu;Zili Wang;Gang Lin;Jian Guo

IEEE Journal of Emerging and Selected Topics in Power Electronics

Year: 2023 | Volume: 11, Issue: 1 | Journal Article |

Harmonic Transfer-Function-Based αβ-Frame SISO Impedance Modeling of Droop Inverters-Based Islanded Microgrid With Unbalanced Loads

Jian Guo;Zhiqiang Meng;Yandong Chen;Wenhua Wu;Shuhan Liao;Zhiwei Xie;Josep M. Guerrero

IEEE Transactions on Industrial Electronics

Year: 2023 | Volume: 70, Issue: 1 | Journal Article |

Cited by: Papers (14)

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Impedance-based approachis generally studied for stability analysis of the power electronic converter-based system. Considering multiple-frequency coupling effects, in this article, we establish the harmonic transfer function (HTF) based αβ-frame impedance models of droop inverters based islanded microgrid with unbalanced loads. Therein, the HTF-based αβ-impedance modeling methods of unbalanced lo...Show More

Harmonic Transfer-Function-Based αβ-Frame SISO Impedance Modeling of Droop Inverters-Based Islanded Microgrid With Unbalanced Loads

Jian Guo;Zhiqiang Meng;Yandong Chen;Wenhua Wu;Shuhan Liao;Zhiwei Xie;Josep M. Guerrero

IEEE Transactions on Industrial Electronics

Year: 2023 | Volume: 70, Issue: 1 | Journal Article |

Stability Control Method of Three-phase Energy Storage Converter Under Grid Short-circuit Fault

Yuxiang Zhang;Yandong Chen;Wenhua Wu;Zhiwei Xie;Bixiang Mo;Zhixing He

2022 IEEE 9th International Conference on Power Electronics Systems and Applications (PESA)

Year: 2022 | Conference Paper |

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With a number of energy storage converters connected to the grid, transient instabilities about energy storage converters are more likely to appear when some problems happen in the grid. In order to work out the difficult problem about the instability of energy storage converters, this paper proposes an approach of modifying the phase-locked loop (PLL) to improve transient stabilities of energy st...Show More

Stability Control Method of Three-phase Energy Storage Converter Under Grid Short-circuit Fault

Yuxiang Zhang;Yandong Chen;Wenhua Wu;Zhiwei Xie;Bixiang Mo;Zhixing He

2022 IEEE 9th International Conference on Power Electronics Systems and Applications (PESA)

Year: 2022 | Conference Paper |

Pseudotime-Varying Admittance Characteristic of Grid-Connected Inverter and Its Corrected Admittance Measurement Method

Zhiwei Xie;Wenhua Wu;Yandong Chen;Josep M. Guerrero

IEEE Transactions on Industrial Electronics

Year: 2022 | Volume: 69, Issue: 7 | Journal Article |

Cited by: Papers (6)

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When the control parameters and operating conditions remain unchanged, it is usually believed that the admittance characteristic of grid-connected inverter is time-invariant. However, considering the effect of frequency-coupling, an abnormal phenomenon is observed in the admittance measurement of the grid-connected inverter: the phase of the off-diagonal elements Y12 and Y21 in the admittance matr...Show More

Pseudotime-Varying Admittance Characteristic of Grid-Connected Inverter and Its Corrected Admittance Measurement Method

Zhiwei Xie;Wenhua Wu;Yandong Chen;Josep M. Guerrero

IEEE Transactions on Industrial Electronics

Year: 2022 | Volume: 69, Issue: 7 | Journal Article |

Analysis and Mitigation of Low-Frequency Interactions Between the Source and Load Virtual Synchronous Machine in an Islanded Microgrid

Jian Guo;Yandong Chen;Shuhan Liao;Wenhua Wu;Leming Zhou;Zhiwei Xie;Xiangyu Wang

IEEE Transactions on Industrial Electronics

Year: 2022 | Volume: 69, Issue: 4 | Journal Article |

Cited by: Papers (28)

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Source-side virtual synchronous machines (VSGs) and load-side VSMs (LVSM) are gradually utilized together in the microgrid to provide virtual inertia and damping. However, instability occurs in the islanded microgrid system due to the interaction dynamics between the VSG and the LVSM, which has been investigated in this article. At first, the dq-frame impedance models of the VSG and the LVSM are e...Show More

Analysis and Mitigation of Low-Frequency Interactions Between the Source and Load Virtual Synchronous Machine in an Islanded Microgrid

Jian Guo;Yandong Chen;Shuhan Liao;Wenhua Wu;Leming Zhou;Zhiwei Xie;Xiangyu Wang

IEEE Transactions on Industrial Electronics

Year: 2022 | Volume: 69, Issue: 4 | Journal Article |

Switching Control and Its Experimental Verification of Megawatt High-Voltage Impedance Measurement Equipment

Zhiwei Xie;Wenhua Wu;Yandong Chen;Shixiang Cao;Youze Fu;Suying Liang

2021 IEEE Sustainable Power and Energy Conference (iSPEC)

Year: 2021 | Conference Paper |

Cited by: Papers (2)

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Megawatt high-voltage impedance measurement equipment is important for the impedance modeling of renewable energy power generation device while the control method or parameter is unknown. Smoothly cutting in/out are significant to ensure the normal operation of megawatt high-voltage impedance measurement equipment. This paper proposes a switching control method of megawatt high-voltage impedance m...Show More

Switching Control and Its Experimental Verification of Megawatt High-Voltage Impedance Measurement Equipment

Zhiwei Xie;Wenhua Wu;Yandong Chen;Shixiang Cao;Youze Fu;Suying Liang

2021 IEEE Sustainable Power and Energy Conference (iSPEC)

Year: 2021 | Conference Paper |

Resonance Suppression Method for Grid-connected Inverter Based on Feedforward Loop and Current Loop Impedance Reshaping under Weak Grid

Haining Wang;Yandong Chen;Wenhua Wu;Zili Wang;Gaoxiang Li;Zhiwei Xie

2021 IEEE 1st International Power Electronics and Application Symposium (PEAS)

Year: 2021 | Conference Paper |

Cited by: Papers (1)

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Owing to the impedance interaction between the inverter and grid, grid impedance will adversely affect the stability of the grid-connected inverter system under weak grid conditions, which can easily cause system resonance. Firstly, the mechanism and characteristics of system resonance are analyzed through impedance modeling and stability analysis. With the increase of the output power for inverte...Show More

Resonance Suppression Method for Grid-connected Inverter Based on Feedforward Loop and Current Loop Impedance Reshaping under Weak Grid

Haining Wang;Yandong Chen;Wenhua Wu;Zili Wang;Gaoxiang Li;Zhiwei Xie

2021 IEEE 1st International Power Electronics and Application Symposium (PEAS)

Year: 2021 | Conference Paper |

Frequency Coupling Admittance Modeling of Quasi-PR Controlled Inverter and Its Stability Comparative Analysis Under the Weak Grid

Zhiwei Xie;Yandong Chen;Wenhua Wu;Yichao Wang;Wenlan Gong;Josep M. Guerrero

Year: 2021 | Volume: 9 | Journal Article |

Cited by: Papers (12)

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This paper intends to comparatively study the stabilities of grid-connected inverters with three closely related controllers: quasi-proportional resonance (quasi-PR), proportional integral (PI), and proportional resonance (PR) under the weak grid. Firstly, considering the influence of frequency coupling characteristic, a frequency coupling admittance model of quasi-PR controlled inverter is establ...Show More

Frequency Coupling Admittance Modeling of Quasi-PR Controlled Inverter and Its Stability Comparative Analysis Under the Weak Grid

Zhiwei Xie;Yandong Chen;Wenhua Wu;Yichao Wang;Wenlan Gong;Josep M. Guerrero

Year: 2021 | Volume: 9 | Journal Article |

Admittance Modeling and Stability Analysis of Grid-Connected Inverter With LADRC-PLL

Zhiwei Xie;Yandong Chen;Wenhua Wu;Wenlan Gong;Leming Zhou;Xiaoping Zhou;Josep M. Guerrero

IEEE Transactions on Industrial Electronics

Year: 2021 | Volume: 68, Issue: 12 | Journal Article |

Cited by: Papers (36)

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It tends to cause system oscillation when the inverter with a phase-locked loop based on proportional integral controller (PI-PLL) is connected to the weak grid. To improve the oscillation suppression ability of the grid-connected inverter, a linear active disturbance rejection controller is applied to PLL (LADRC-PLL). Considering the influence of linear extended state observer, voltage outer-loop...Show More

Admittance Modeling and Stability Analysis of Grid-Connected Inverter With LADRC-PLL

Zhiwei Xie;Yandong Chen;Wenhua Wu;Wenlan Gong;Leming Zhou;Xiaoping Zhou;Josep M. Guerrero

IEEE Transactions on Industrial Electronics

Year: 2021 | Volume: 68, Issue: 12 | Journal Article |

Admittance-Based Stability Comparative Analysis of Grid-Connected Inverters With Direct Power Control and Closed-Loop Current Control

Zhiwei Xie;Wenhua Wu;Yandong Chen;Wenlan Gong

IEEE Transactions on Industrial Electronics

Year: 2021 | Volume: 68, Issue: 9 | Journal Article |

Cited by: Papers (24)

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Direct power control (DPC) is widely used in grid-connected inverters. First, considering the effects of phase-locked loop (PLL), voltage outer loop, power inner loop, control delay, and frequency coupling, a broadband admittance model of the grid-connected inverter with DPC is established. The admittance characteristics of grid-connected inverters with DPC and closed-loop current control (CCC) ar...Show More

Admittance-Based Stability Comparative Analysis of Grid-Connected Inverters With Direct Power Control and Closed-Loop Current Control

Zhiwei Xie;Wenhua Wu;Yandong Chen;Wenlan Gong

IEEE Transactions on Industrial Electronics

Year: 2021 | Volume: 68, Issue: 9 | Journal Article |

Wideband dq-Frame Impedance Modeling of Load-Side Virtual Synchronous Machine and Its Stability Analysis in Comparison With Conventional PWM Rectifier in Weak Grid

Jian Guo;Yandong Chen;Wenhua Wu;Xiangyu Wang;Zhiwei Xie;Lu Xie;Zhikang Shuai

IEEE Journal of Emerging and Selected Topics in Power Electronics

Year: 2021 | Volume: 9, Issue: 2 | Journal Article |

Cited by: Papers (23)

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The load-side virtual synchronous machine (LVSM) enables the load to actively participate in the grid regulation, but it might still induce oscillations in a weak grid. Considering the dc-link voltage controller, power loops, ac voltage and current loops, the control delay, and sampling filters, the wideband dq-frame impedance model of the LVSM is first established, and it is found that $Z_{dd}$ ...Show More

Wideband dq-Frame Impedance Modeling of Load-Side Virtual Synchronous Machine and Its Stability Analysis in Comparison With Conventional PWM Rectifier in Weak Grid

Jian Guo;Yandong Chen;Wenhua Wu;Xiangyu Wang;Zhiwei Xie;Lu Xie;Zhikang Shuai

IEEE Journal of Emerging and Selected Topics in Power Electronics

Year: 2021 | Volume: 9, Issue: 2 | Journal Article |

Stability Enhancing Voltage Feed-Forward Inverter Control Method to Reduce the Effects of Phase-Locked Loop and Grid Impedance

Zhiwei Xie;Yandong Chen;Wenhua Wu;Wenlan Gong;Josep M. Guerrero

IEEE Journal of Emerging and Selected Topics in Power Electronics

Year: 2021 | Volume: 9, Issue: 3 | Journal Article |

Cited by: Papers (36)

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Phase-locked loop (PLL) and grid impedance easily negatively affect the stability of the grid-connected inverter system and even cause the system oscillation. To suppress this oscillation, a stability enhancing voltage feed-forward inverter control method is proposed to reduce the effects of PLL and grid impedance. Then, considering the effects of the frequency coupling characteristic, the admitta...Show More

Stability Enhancing Voltage Feed-Forward Inverter Control Method to Reduce the Effects of Phase-Locked Loop and Grid Impedance

Zhiwei Xie;Yandong Chen;Wenhua Wu;Wenlan Gong;Josep M. Guerrero

IEEE Journal of Emerging and Selected Topics in Power Electronics

Year: 2021 | Volume: 9, Issue: 3 | Journal Article |

Sequence Impedance Modeling and Characteristic Analysis of Island Inverter with Dual Sequence Control

Song ZHANG;Wenhua WU;Yandong CHEN;Jian LUO;Zhixing HE;Zhiwei XIE

2020 IEEE 9th International Power Electronics and Motion Control Conference (IPEMC2020-ECCE Asia)

Year: 2020 | Conference Paper |

Cited by: Papers (3)

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The island inverter under dual-sequence control method controls the negative sequence voltage by introducing a negative sequence branch to ensure the symmetry of the output voltage. In this paper, the small-signal wide-band sequence impedance model of the island inverter under dual-sequence control is established by harmonic linearization method. Then, the wide-band frequency-sweeping simulation o...Show More

Sequence Impedance Modeling and Characteristic Analysis of Island Inverter with Dual Sequence Control

Song ZHANG;Wenhua WU;Yandong CHEN;Jian LUO;Zhixing HE;Zhiwei XIE

2020 IEEE 9th International Power Electronics and Motion Control Conference (IPEMC2020-ECCE Asia)

Year: 2020 | Conference Paper |

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