Search Results - "Liu Jinjun"

A Study of Virtual Resistor-Based Active Damping Alternatives for LCL Resonance in Grid-Connected Voltage Source Inverters by Liu, Teng, Liu, Jinjun, Liu, Zeng, Liu, Zipeng

“…LCL resonance complicates the design of a current control loop and can even threaten its stability. Extensive approaches have been proposed to deal with this…”
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A Novel Buck-Boost Converter With Low Electric Stress on Components by Li, Jing, Liu, Jinjun

“…In this paper, a novel buck-boost converter with low electric stress on components and negative output voltage is proposed. The operational principle,…”
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A Study on DC Voltage Control for Chopper-Cell-Based Modular Multilevel Converters in D-STATCOM Application by Du, Sixing, Liu, Jinjun

“…This paper presents a three-phase transformerless structure of modular multilevel converters based on cascaded pulsewidth-modulated chopper cells in…”
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Indirect Current Control Based Seamless Transfer of Three-phase Inverter in Distributed Generation by Liu, Zeng, Liu, Jinjun

“…The distributed generation (DG) should supply continuous power to the local critical load, even in the condition of utility outage. And many efforts have been…”
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DQ Current Control of Voltage Source Converters With a Decoupling Method Based on Preprocessed Reference Current Feed-forward by Zhou, Sizhan, Liu, Jinjun, Zhou, Linyuan, Zhang, Yan

“…Axes cross-coupling in dq-frame will deteriorate the current control performance, especially for applications with low switching/sampling frequency. Decoupling…”
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A Unified Virtual Power Decoupling Method for Droop-Controlled Parallel Inverters in Microgrids by Wu, Teng, Liu, Zeng, Liu, Jinjun, Wang, Shike, You, Zhiyuan

“…The coupling between the active and the reactive power of the droop-controlled inverter is critical in the low-voltage microgrid. The conventional virtual…”
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A Unified Control Strategy for Three-Phase Inverter in Distributed Generation by Liu, Z, Liu, J, Zhao, Y

“…This paper presents a unified control strategy that enables both islanded and grid-tied operations of three-phase inverter in distributed generation, with no…”
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Infinity-Norm of Impedance-Based Stability Criterion for Three-Phase AC Distributed Power Systems With Constant Power Loads by Liu, Zeng, Liu, Jinjun, Bao, Weihan, Zhao, Yalin

“…This paper presents a stability criterion for three-phase AC distributed power system (DPS). While the source output impedance and the load input admittance…”
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Modeling, Analysis, and Mitigation of Load Neutral Point Voltage for Three-Phase Four-Leg Inverter by Liu, Zeng, Liu, Jinjun, Li, Jin

“…The three-phase four-leg inverter is very suitable for the high-power uninterruptible power supply application, and the load neutral point voltage (LNPV)…”
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Improved Demagnetization Control of a Doubly-Fed Induction Generator Under Balanced Grid Fault by Zhou, Linyuan, Liu, Jinjun, Zhou, Sizhan

“…Doubly-fed induction generators are one of the most popular machines for variable-speed wind turbine. However, they are very sensitive to grid fault since the…”
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Modulation and Closed-Loop-Based DC Capacitor Voltage Control for MMC With Fundamental Switching Frequency by Du, Sixing, Liu, Jinjun, Liu, Teng

“…This paper presents a novel modulation and capacitor voltage control method for the modular multilevel converter (MMC) allowing the fixed switching frequency…”
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Stability Issues of Z + Z Type Cascade System in Hybrid Energy Storage System (HESS) by Liu, Fangcheng, Liu, Jinjun, Zhang, Haodong, Xue, Danhong

“…Stability issues in hybrid energy storage systems (HESSs) are the major concern, in addition to the control design challenges of individual modules. In this…”
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Multi-Frequency Signal Detection Based on Frequency Exchange and Re-Scaling Stochastic Resonance and Its Application to Weak Fault Diagnosis by Liu, Jinjun, Leng, Yonggang, Lai, Zhihui, Fan, Shengbo

“…Mechanical fault diagnosis usually requires not only identification of the fault characteristic frequency, but also detection of its second and/or higher…”
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Strategies and Operating Point Optimization of STATCOM Control for Voltage Unbalance Mitigation in Three-Phase Three-Wire Systems by Li, Kuang, Liu, Jinjun, Wang, Zhaoan, Wei, Biao

“…Reactive power control through the static compensator (STATCOM) has gained wide attentions due to its outstanding performance. But for a STATCOM with…”
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Thermal Performances and Annual Damages Comparison of MMC Using Reverse Conducting IGBT and Conventional IGBT Module by Wang, Binyu, Wang, Laili, Mu, Wei, Qin, Mengjie, Yang, Fengtao, Liu, Jinjun, Tomoyuki, Yamazaki, Tatsuhiko, Fujihira

“…Insulated gate bipolar transistor (IGBT) modules in modular multilevel converters (MMCs) have inherent unbalanced power loss distribution and temperature…”
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An adaptive synchronous rectifier driving strategy for unregulated LLC resonant converter by Wei, Yuqi, Li, Ziang, Liu, Jinjun

“…LLC resonant converters are widely adopted in many different industrial applications due to their high efficiency operation. To further improve LLC resonant…”
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Dynamic Performance Improvement of Diode–capacitor-Based High Step-up DC–DC Converter Through Right-Half-Plane Zero Elimination by Zhang, Yan, Liu, Jinjun, Dong, Zhuo, Wang, Hongliang, Liu, Yan-Fei

“…Diode-capacitor-based dc-dc converters provide a simple and low cost solution for high step-up voltage regulation in solar and fuel cell generation. Transient…”
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A Source-Current-Detected Shunt Active Power Filter Control Scheme Based on Vector Resonant Controller by Yi, Hao, Zhuo, Fang, Zhang, Yanjun, Li, Yu, Zhan, Wenda, Chen, Wenjie, Liu, Jinjun

“…A shunt active power filter (APF) with current detection at the source side is considered as a closed-loop system from the view of the whole power distribution…”
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Control and Experiment of an H-Bridge-Based Three-Phase Three-Stage Modular Power Electronic Transformer by Wang, Xinyu, Liu, Jinjun, Ouyang, Shaodi, Xu, Taotao, Meng, Fei, Song, Shuguang

“…Compared with conventional power transformer, the power electronic transformer (PET) or solid-state transformer has many attractive additional features. This…”
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A Feedforward Control-Based Power Decoupling Strategy for Grid-Forming Grid-Connected Inverters by Liu, Baojin, Song, Zhaofeng, Yu, Bing, Yang, Gongde, Liu, Jinjun

“…Grid-forming inverters, which are represented by droop control and virtual synchronous generator control, have been widely studied and applied because of their…”
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