Test Whats new message.
Scheduled Maintenance on Monday 1/13/2025
Single article sales and account management will be unavailable from 5:00 AM - 7:00 PM ET (09:00 - 23:00 UTC). We apologize for the inconvenience.
Showing 1-22 of 22 results
- Sort
Get notified when new research is published matching your search criteria.
Sort By
Results
A Non-Intrusive Electric Load Component Identification Method Based on Event Detection
2024 IEEE PES 16th Asia-Pacific Power and Energy Engineering Conference (APPEEC)
Year: 2024 | Conference Paper |
The electric load model is very important for the study of power systems. Over the past few years, with the widespread application of power electronics technology, the power electronics interfaced load have been added to the main components of the load model based on the original static load and motor. The power proportion of them is a key factor affecting the accuracy of the load model. Most of t...Show More
Synthetic Load Modelling Considering the Influence of Distributed Small Hydropower Units
Qi Wang;Bing Zhao;Jianhua Li;Xian Xu;Jie Hao;Pandeng Luo;Zhiwei Zheng;Huayun Zhang
2024 11th International Conference on Power and Energy Systems Engineering (CPESE)
Year: 2024 | Conference Paper |
Load modeling plays an important role in power system security and stability analysis and accurate simulation calculation. Grid-connected small hydropower stations are important active and reactive power sources in the distribution network. The influence of a large number of small hydropower stations on the load model has not been considered in the previous load model, and the original traditional...Show More
Aggregated Load Model of Inverter Air Conditioners Considering Low-Voltage Release
2024 3rd International Conference on Energy and Electrical Power Systems (ICEEPS)
Year: 2024 | Conference Paper |
Air conditioners (ACs) are significant loads in modern power grids. With the development of power electronics technology, the emergence of inverter air conditioners (IACs) has changed the load characteristics of ACs, especially the low-voltage release (LVR), making the original “motor + static load” model no longer applicable. Therefore, investigating the LVR characteristics of IACs is essential t...Show More
Analysis of Key Factors Influencing Frequency Security in Power System Operation Mode
Wenxuan Hong;Chuan Qin;Yefeng Jiang;Jianhua Li;Lu Cao;Ping Ju
2023 International Conference on Power System Technology (PowerCon)
Year: 2023 | Conference Paper |
As the penetration rate of renewable energy units and power electronic equipment continues to increase, the power system has undergone significant transformations, exhibiting “double high” characteristics. In this new power system, the operation mode experiences profound and intricate changes, leading to prominent issues concerning frequency security. However, existing studies on frequency dynamic...Show More
Acceptance Capability of Distributed Photovoltaic Generation in Distribution Networks Considering Different Loads
2023 3rd Power System and Green Energy Conference (PSGEC)
Year: 2023 | Conference Paper |
With a high proportion of distributed photovoltaic generation connected to a distribution network, reverse power flow might occur, and node voltages might be out of limit. Therefore, determining a distribution system's maximum acceptance capacity for distributed photovoltaics is crucial. Many existing studies widely agree that distributed photovoltaics possess the ability to increase voltage when ...Show More
Steady-State Voltage Stability Analysis Considering the Characteristics of Power Electronic Interfaced Loads
2023 3rd Power System and Green Energy Conference (PSGEC)
Year: 2023 | Conference Paper |
In recent years, an increasing number of electrical devices have been connected to the power grid through power electronic devices. The characteristics of these loads are different from those of conventional loads. Therefore, it is necessary to consider the influences of these loads in the study of steady-state voltage stability. Firstly, introduce the definition of voltage exponents and the way t...Show More
Frequency Support Demand Analysis of High Non-synchronous Resource Penetration Receiving-end Power Grid Based on System Frequency Response Model
Bingjie Tang;Minhui Qian;Ning Chen;Jianhua Li;Huixing Li;Yanqiang Shi
2022 IEEE 6th Conference on Energy Internet and Energy System Integration (EI2)
Year: 2022 | Conference Paper |
With the increase in the scale of external High Voltage Direct Current (HVDC) transmission and renewable energy power generation in the receiving-end power grid, the problem of frequency stability has gradually become prominent. This paper analyzes and studies the frequency support demand of the receiving-end power grid for the typical scenario that the power shortage caused by the HVDC blocking f...Show More
Broadband Oscillation Monitoring Scheme for Coastal Wind Farm in East China Power Grid
2022 IEEE 6th Conference on Energy Internet and Energy System Integration (EI2)
Year: 2022 | Conference Paper |
Cited by: Papers (1)
In order to build a new-type power system with new energy as the main body, East China Power Grid will vigorously develop coastal wind power resources in the future, and continuously increase the proportion of wind power installed capacity. However, there have been many broadband oscillation events due to wind power control instability or the interaction between wind turbine and grid in the real h...Show More
Fast Frequency Response Control Strategy of High-Proportion Distributed Photovoltaic Power Generation
Huixing Li;Jianhua Li;Minhui Qian;Ning Chen;Bingjie Tang;Peipei Peng
2022 IEEE 6th Conference on Energy Internet and Energy System Integration (EI2)
Year: 2022 | Conference Paper |
With the increasing penetration of renewable energy, high-proportion photovoltaic (PV) integrated into distributed system is one of the typical scenarios. Due to large-scale distributed PV power, the primary frequency regulation (PFR) capability of the power system tends to weaken gradually. To improve this, it is necessary to improve the PFR capability of distributed PV power. In this paper, the ...Show More
A Method for Optimizing Reactive Power Compensation Configuration Scheme Based on New Energy Low Voltage Ride Through Safety Assessment
QuanLin Tao;Ling Zhu;XueMao Zhao;ZhenLin Ni;Jianhua Li;Zhiguang Huang
2021 IEEE 5th Conference on Energy Internet and Energy System Integration (EI2)
Year: 2021 | Conference Paper |
Cited by: Papers (1)
This paper introduces a safety and stability margin evaluation method based on new energy low pass period, which provides operators with an index to evaluate the off-grid distance of new energy. This method can be used to evaluate the voltage stability level effect of different reactive power compensation schemes on the sending end power grid, especially the area near the new energy plant. At the ...Show More
Converter-Driven Low-Frequency Stability Analysis and Compensation in Weak-Grid-Tied VSCs
Guanglu Wu;Shanshan Wang;Bing Zhao;Hong Hu;Jianhua Li;Lu Cao;Haoyin Ding;Lin Yu;Quan Ma
2021 International Conference on Power System Technology (POWERCON)
Year: 2021 | Conference Paper |
Cited by: Papers (1)
This paper analyzes converter-driven low- frequency oscillations of current controlled weak-grid-tied voltage-source converters (VSCs) and proposes an effective method to improve the dynamic behavior. First, the specific single-input single-output (SISO) open-loop transfer function from the active power to the active power reference is obtained. From the SISO transfer function, it is revealed that...Show More
Simplified Modeling of the Power-electronized Load Based on Sensitivity Analysis
2021 International Conference on Power System Technology (POWERCON)
Year: 2021 | Conference Paper |
In recent years, more and more electrical equipment is connected to the grid through power electronics, these devices are called power-electronized loads. In the existing load models, the power-electronized load is usually described by using a static load model with constant power. However, it is difficult for the constant power load model to accurately reflect the dynamic characteristics of the p...Show More
Analysis of AC Fault Ride-through Characteristics of the Baihetan-Jiangsu Hybrid Cascaded UHVDC System
Zhihan Dong;Junli Zhang;Guoteng Wang;Zheng Xu;Jianhua Li;Zhiguang Huang
2021 International Conference on Power System Technology (POWERCON)
Year: 2021 | Conference Paper |
The hybrid cascaded ultra-high voltage direct current (UHVDC) system is a system in which the rectifier station is composed of line commutated convertors (LCCs) and the inverter station is composed of an LCC in series with multiple modular multilevel converters (MMCs). The AC fault ride-through characteristics and corresponding influence factors of the Baihetan-Jiangsu hybrid cascaded UHVDC system...Show More
Coordinated Control Strategy for Commutation Failure Recovery in Multi-infeed AC/DC Systems Based on Multi-infeed Operating Short Circuit Ratio
2021 IEEE 4th International Electrical and Energy Conference (CIEEC)
Year: 2021 | Conference Paper |
Cited by: Papers (3)
In multi-infeed AC/DC systems, the simultaneous commutation failure of multiple HVDC systems will seriously threaten the safe operation of the system. A coordinated control strategy for commutation failure recovery is proposed. Firstly, by analyzing the shortcomings of the MIESCR, the multi-infeed operating short circuit ratio (MIOSCR) is proposed. Next, the recovery sequence coordination principl...Show More
Grid Impedance Impact Analysis of the Weak Grid-Tied VSC
Hong Hu;Rui Yin;Shanshan Wang;Yuanyuan Sun;Guanglu Wu;Bing Zhao;Jianhua Li;Haoyin Ding;Lu Cao;Lin Yu
2021 IEEE Green Technologies Conference (GreenTech)
Year: 2021 | Conference Paper |
Cited by: Papers (1)
The grid impedance is widely recognized as the key factor to the stability of the grid-tied power electronic devices. However, the influence of the grid impedance ratio is always neglected due to the assumption that grid reactance is much large than grid resistance. In this paper, it is found that the grid impedance has a different impact on the stability with the reduction of grid impedance ratio...Show More
Analysis of the Hybrid-MMC-HVDC Short-Circuit Current under MMC AC System Symmetrical Fault
Shengya Sun;Shanshan Wang;Yuanyuan Sun;Xiao Yu;Rui Yin;Hong Hu;Haoyin Ding;Jianhua Li;Lu Cao
2021 3rd Asia Energy and Electrical Engineering Symposium (AEEES)
Year: 2021 | Conference Paper |
Cited by: Papers (5)
The characteristics of short-circuit current provided by modular multilevel converter (MMC) is analyzed after three-phase short-circuit fault occurs at PCC (Point of Common Coupling) of AC system, based on the operation control principle and short-circuit grounding modes of the converter in this paper. First of all, this paper introduced the structure and control principle of MMC. Furthermore, the...Show More
Research on The Influence of Photovoltaic Low Voltage Ride Through Characteristics on The Operation Characteristics of Receiving-end Grid
2020 IEEE 4th Conference on Energy Internet and Energy System Integration (EI2)
Year: 2020 | Conference Paper |
This paper first establishes a photovoltaic generator electromechanical transient simulation model considering low voltage ride through (LVRT) and its recovery process dynamic simulation, and then studies the impact of photovoltaic low voltage ride through characteristics on the transient voltage rise of new energy generator under large disturbance impact. Based on the analysis and summary of the ...Show More
Feasibility Study on the Characterization of Electric Load including Inverter Air Conditioner with a Synthetic Load Model
2020 12th IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC)
Year: 2020 | Conference Paper |
Cited by: Papers (1)
With economic development, the proportion of inverter air conditioners in load components has been increasing year by year. To analyze the influence of inverter air conditioners on the safe and stable operation of the power grid, the dynamic characteristics of an inverter air conditioner must be accurately characterized in the load model. At present, the synthetic load model (SLM) directly conside...Show More
A Fault Tracing Method of Successive Commutation Failure for Multi-Infeed DC System
Jianhua Li;Haibao Zhai;Li Zhang;Anna Luo;Chaoming Zhang;Xi Yang
2020 12th IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC)
Year: 2020 | Conference Paper |
Cited by: Papers (1)
In order to effectively improve the transmission efficiency of energy between regions, line-commutated converter-based high-voltage direct current (LCC-HVDC) has been widely utilized for its advantages in large capacity long-distance transmission. With multiple DC systems connected to the same AC power grid, a complex multi-infeed DC (MIDC) system is formed. Compared with the traditional single in...Show More
Calculation Method of the Equivalent Impedance of a Distribution Network based on Power Loss
2020 12th IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC)
Year: 2020 | Conference Paper |
Cited by: Papers (1)
The synthesis load model (SLM) is a kind of dynamic load model that directly considers the mechanism of a distribution network. Usually, the method of parameter identification is used to obtain the key parameters of SLM. With the construction of the ubiquitous electric internet of things, it will be possible to obtain the types and power consumption of mass users in the distribution network. How t...Show More
Dynamic VAR Planning in HVDC Receiving-End Power Grid Considering Short-Term Voltage Stability
Wenlu Zhao;QingLai Guo;Bin Wang;JianHua Li;ZhiGuang Huang;KanQin Zhuang
2018 2nd IEEE Conference on Energy Internet and Energy System Integration (EI2)
Year: 2018 | Conference Paper |
Cited by: Papers (3)
The short-term voltage stability (STVS) in HVDC receiving-end power grid is weak, and the dynamic VARs are required to be installed. Therefore, the issue of dynamic VAR planning is worth to be studied. In this paper, a method for dynamic VAR planning based on the method of approximate programming (MAP) is proposed. Firstly, a brief introduction of the MAP is presented. Then, the dynamic VAR planni...Show More
Assessment of Required Dynamic VAR Reserve Near HVDC Converter and Case Study
Jian Hua Li;Kan Qin Zhuang;Hao Yin Ding;Zhi Guang Huang;Lei Tang
2018 2nd IEEE Conference on Energy Internet and Energy System Integration (EI2)
Year: 2018 | Conference Paper |
Cited by: Papers (2)
The short-term voltage stability (STVS) is usually weak near HVDC converter, so the dynamic VAR devices are required to improve its STVS. In this paper, the approach to assess the requirement of dynamic VAR reserve near HVDC converter is studied. Firstly, an index to evaluate short-term voltage stability (STVS) is proposed. Secondly, the method of calculating the reactive power output ability of t...Show More
IEEE Account
Purchase Details
Profile Information
Need Help?
- US & Canada: +1 800 678 4333
- Worldwide: +1 732 981 0060
- Contact & Support
- About IEEE Xplore
- Contact Us
- Help
- Accessibility
- Terms of Use
- Nondiscrimination Policy
- Sitemap
- Privacy & Opting Out of Cookies
A not-for-profit organization, IEEE is the world's largest technical professional organization dedicated to advancing technology for the benefit of humanity.
© Copyright 2025 IEEE - All rights reserved. Use of this web site signifies your agreement to the terms and conditions.