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检索条件"机构=Intelligent Control System R&D Department"

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Fault Condition Testing of Photovoltaic Inverter controller Based on Active Support Technology using Hardware-In-the-Loop in rTdS 1

Fault Condition Testing of Photovoltaic Inverter Controller ...

引用

2024 1st International Conference on Smart Grids and Power systems, ICSGPS 2024

作者： Li, Shengnan Hu, Yun He, Xin Zhu, Yihua He, Tingyi Tu, Liang deng, Can Luo, Chao Su, Mingzhang Zeng, Guanming Yunnan Electric Power Research Institute Kunming China National Energy Power Grid Technology R&D Centre Guangzhou China State Key Laboratory of HVDC Electric Power Research Institute CSG Guangzhou China Guangdong Provincial Key Laboratory of Intelligent Operation and Control for New Energy Power System Guangzhou China CSG Key Laboratory for Power System Simulation Electric Power Research Institute China Southern Power Grid Guangzhou China

Photovoltaic power generation is an important component of sustainable power generation and has been widely utilized. Grid connected inverters are key equipment in photovoltaic integrated systems, which directly affect the stability of the system. In this paper, the transient model of photovoltaic inverter controller based on active support technology is derived. The transient mathematical model and corresponding self-closing loop control strategy are analyzed. Based on the rTdS, a hardware controller semi-physical simulation platform is established to simulate and test photovoltaic inverters under different fault and control methods. Finally, the simulation data obtained from the self-closing loop control method and the hardware control method are compared to verify the stability and reliability of the photovoltaic inverter hardware controller. © 2024 Published under licence by IOP Publishing Ltd.

关键词： controllers

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research on the Application of Big data in Transient Stability Simulation of Power systems 4

Research on the Application of Big Data in Transient Stabili...

引用

4th International Conference on Energy, Power and Electrical Engineering, EPEE 2024

作者： Zhang, Jie Guo, Haiping Zhao, Yanjun Huang, Libin Hu, Binjiang Luo, Hui Zhang, Jingyue State Key Laboratory of Hvdc Electric Power Research Institute China Southern Power Grid Guangzhou510663 China National Energy Power Grid Technology R&d Centre Guangzhou510663 China Guangdong Provincial Key Laboratory of Intelligent Operation and Control for New Energy Power System Guangzhou510663 China Csg Key Laboratory for Power System Simulation Electric Power Research Institute China Southern Power Grid Guangzhou5106633 China

ISBN: (纸本)9798331518066

With the rapid expansion of smart grids, there is a growing complexity in power system dynamics, which increases the availability of real-time operational data and underscores the need for advanced transient stability simulations. Traditional transient stability analysis methods are constrained by their computational demands and may compromise accuracy. Furthermore, deep learning-based methods often focus on the application of a single algorithm, lacking a systematic consideration of the entire simulation process. To address these challenges, this study proposes a novel approach that leverages big data to enhance transient stability simulations. By integrating deep learning and ensemble learning techniques, the model significantly improves the accuracy and efficiency of predicting transient instabilities. The methodology utilizes a multi-source data acquisition and fusion scheme to ensure data comprehensiveness and a distributed storage architecture to handle large-scale datasets effectively. Advanced visualization technologies are also employed to enhance the interpretability of the simulation results. This comprehensive framework aims to support the safe and stable operation of power systems amid increasing complexity and data availability. © 2024 IEEE.

关键词： Transient stability

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Optimal Operation of Green Hydrogen Generation Plant with Solar PV, renewable Energy Certificates and Virtual Battery Ledger

Optimal Operation of Green Hydrogen Generation Plant with So...

引用

Annual Conference of Industrial Electronics Society

作者： Kyaw Hein dominique Bertin Justine Yuan Huajun Zhang Victor Maquart Edouard Lavillonniere Asia Pacific R&D Department EDF LAB EDF France SYSTEM Department Planning Protection and Study of Disturbances on Intelligent Electrical Networks

Hydrogen fuel is a flexible and clean secondary energy source or carrier enabling renewable energy transition. In existing markets, hydrogen is generated from coal, fossil fuels, and natural gas, resulting in brown or grey hydrogen. However, renewable energy sources can improve the color index of hydrogen. This research article presents the optimal and economical operation of a green hydrogen production plant with an electrolyzer, solar photovoltaic (PV), grid connection, renewable Energy Certificates (rECs), and Virtual Battery Ledger (VBL). rECs concept tracks the renewable energy generation from the PV plant. VBL keeps an accounting of rECs creation, expiration, and trading. rECs are expired when used by an electrolyzer or transacted on the block-chain enabled trading platform (e.g., Singapore Power rECs Marketplace). The study demonstrates the possibility of generating green hydrogen with an efficient virtual accounting method and energy management strategy.

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A Novel Energy-Type SVG with Grid Forming control for Grid Voltage and Inertial Support 14

A Novel Energy-Type SVG with Grid Forming Control for Grid V...

引用

14th IEEE International Symposium on Power Electronics for distributed Generation systems, PEdG 2023

作者： Zhang, Jiawei Zhang, Chen Shi, Xianqiang Huang, Lei Li, Xiaobing Cai, Xu Shanghai Jiao Tong Unviersity Key Laboratory of Control of Power Transmission and Conversion Shanghai China Sieyuan Electric Co. Ltd Power System Analysis Department Shanghai China R&d Center Sieyuan Electric Co. Ltd Shanghai China

ISBN: (纸本)9798350328233

Large scale renewable power plants (e.g., wind farms) are typically equipped with the cascaded H-bridge based Static Var Generator (SVG) for voltage regulation of the Point of Common Coupling (PCC). To enhance its capability in gridfriendly integration and operation of renewable power plants, this paper proposed an energy-type Static-var-generator (ESVG) with grid forming (GFM) control characteristics. First, the energy type SVG's converter typology is presented, then a new type of grid forming control utilizing the distributed energy of SVG's dc capacitor is proposed, having two main characteristics: 1) it achieves autonomous frequency response and grid voltage support similar to the majority of GFM controls;2) it has the self dc-voltage balancing capability, which does not require additional energy management control. The state-space model is also built to assess the small-signal stability of the ESVG system. Finally, an electromagnetic transient (EMT) simulation model of a typical grid-tied ESVG system is constructed in Matlab/Simulink, and simulation results show that the proposed control methods and associated characteristics are valid. © 2023 IEEE.

关键词： Frequency response

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Unified Grid-Forming control for MMC-MTdC systems with renewable Power Integration 6

Unified Grid-Forming Control for MMC-MTDC Systems with Renew...

引用

6th International Conference on HVdC, HVdC 2024

作者： Yang, renxin Cai, Haiqing Su, Mingzhang Gu, Haohan Chen, Zhihao Cai, Xu Shanghai Jiao Tong University Key Laboratory of Control of Power Transmission and Conversion Shanghai China Electric Power Research Institute China Southern Power Grid State Key Laboratory of Hvdc Guangzhou China National Energy Power Grid Technology R&d Centre China Southern Power Grid Guangzhou China Guangdong Provincial Key Laboratory of Intelligent Operation and Control for New Energy Power System China Southern Power Grid Guangzhou China

ISBN: (纸本)9798350387759

Using modular multilevel converter-based multi-terminal high voltage direct current (MMC-MTdC) transmission to integrate large-scale renewable power into the main power grid is an important development trend in China. To cope with the stability issues under weak grid conditions, different grid-forming control strategies have been proposed for the MMC in MTdC transmission systems. These control strategies have different structures due to different control targets and are difficult to unify. To solve this problem, a novel grid-forming control structure is proposed in this paper. The MMC emulates the synchronous generator (SG), and the submodule capacitor voltage emulates the SG rotor speed. On this basis, by utilizing the modulation control degree freedom, a unified dC-side controller is proposed to realize different control targets. Finally, the simulation model of a 4-terminal MMC-MTdC transmission system with renewable power integration is established in the PSCAd/EMTdC. The effectiveness of the proposed strategy is verified by the simulation results. © 2024 IEEE.

关键词： grid-forming MMC-MTdC multi-targets control unified control structure

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research on 220kV Spare Power Automatic Switching Equipment Standardized Application of Local functions Based on real-Time Simulation∗ 5

Research on 220kV Spare Power Automatic Switching Equipment ...

引用

5th IEEE International Electrical and Energy Conference, CIEEC 2022

作者： Huang, Zhida Wu, Wencong Cai, Haiqing Zhu, Yihua Huang, Libin Chang, dongxu State Key Laboratory of Hvdc Electric Power Research Institute Csg National Energy Power Grid Technology R&d Centre Guangdong Provincial Key Laboratory of Intelligent Operation and Control for New Energy Power System Csg Key Laboratory for Power System Simulation Guangzhou China

ISBN: (数字)9781665411042

ISBN: (纸本)9781665411042

Currently, the power grid is carrying out the standardized design and application of 220kV spare power automatic switching equipment. It is more difficult to carry out the on-site standby automatic switching function test in the actual power grid. The power supply department urgently needs a simulation environment that can truly simulate the actual power grid to support the development of this functional test. real-time simulation has the ability to carry out on-site automatic transfer function tests in terms of technical feasibility. To verify its effectiveness, this paper built a standardized closed-loop test system for 220kV spare power automatic switching equipment based on real-time simulation. A number of tests have been carried out for the automatic switch-on function of on-site equipment, and the device action events on the actual site have been inverted. The test results show that the established rTdS real-time simulation model has the ability to simulate the actual 220kV power grid. It has been verified that the action logic of the standby automatic input device in various modes meets the requirements of the standard specification, which strongly supports the standardized application of the 220kV spare power automatic switching equipment function of the power grid. © 2022 IEEE.

关键词： Switching

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FTM Implementation and ranging Performance Characterization for Indoor Localization

FTM Implementation and Ranging Performance Characterization ...

引用

IEEE Global Conference on Consumer Electronics (GCCE)

作者： rei Hirata Atsushi Koizumi Hiroshi Oguma Naotaka Sakaguchi Takenori Sumi Yukimasa Nagai Department of Control Information System Enginering NIT Toyama College Toyama Japan Information Technology R&D Center Mitsubishi Electric Corporation Kanagawa Japan

ISBN: (数字)9798350355079

ISBN: (纸本)9798350355086

Indoor positioning technologies for IoT sensing are attracting attention. We are currently exploring standard indoor positioning methods using IEEE 802.11 / Wi-Fi. In this paper, we utilize the IEEE802.11-2016 FTM (Fine Timing Measurement) protocol, which enables to calculate distances between devices and access points (APs). The ranging accuracy of FTM, however, varies depending on multipath propagation of wireless signals and device-specific factors. Therefore, we implemented FTM on two models, Google Pixel4 and Zenfone9, and conducted experiment studies in the gymnasium and corridor of our school to evaluate position detection accuracy. In the gymnasium, the average error was 1.42 m for Zenfone9, while 1.07 m for Pixel4. In the corridor, the average error was 0.66m for Zenfone9, whereas 2.47 m for Pixel4.

关键词： Wireless communication Location awareness Wireless sensor networks Accuracy Protocols distance measurement Sensors Timing Wireless fidelity Standards

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Simulation Testing of Large-Scale Grid-Connected Wind Power with Energy Storage system Based on Active Support Performance Evaluation Indices 10

Simulation Testing of Large-Scale Grid-Connected Wind Power ...

引用

10th International Forum on Electrical Engineering and Automation, IFEEA 2023

作者： Zhu, Yihua Hu, Yun Tu, Liang Su, Mingzhang Luo, Chao Csg State Key Laboratory of Hvdc Electric Power Research Institute Guangzhou China National Energy Power Grid Technology R&d Centre Guangzhou China Guangdong Provincial Key Laboratory of Intelligent Operation and Control for New Energy Power System Guangzhou China China Southern Power Grid Csg Key Laboratory for Power System Simulation Electric Power Research Institute Guangzhou China

ISBN: (纸本)9798350309379

This paper establishes simulation modeling for large-scale grid connected wind power with energy storage system (ESS). The conventional grid-following (GFL) based ESS is used as a reference object to test the active support performance of large-scale grid-connected wind power with grid-forming (GFM) based ESS with active support performance evaluation indices in different scenarios. (1) Small disturbance evaluation indices: The point of common coupling (PCC) frequency/voltage drop depth and recovery time. (2) Large disturbance evaluation indices: The PCC frequency/voltage drop depth and rise height after fault removal. The output active/reactive power drop depth and rise height/recovery time after fault removal. (3) Island capability evaluation indices: The PCC frequency/voltage fluctuation amplitude at the moment of switching and system stability after switching. © 2023 IEEE.

关键词： active support performance evaluation indices different scenarios grid-following (GFL) grid-forming (GFM)

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Multi-Type Electric Vehicle Schedulability Modeling Method based on User Charging Behavior Characteristics 11

Multi-Type Electric Vehicle Schedulability Modeling Method b...

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11th China International Conference on Electricity distribution, CICEd 2024

作者： Xue, Yinjuan Chen, Qifang Cai, Haiqing Xia, Mingchao Gu, Haohan School of Electrical Engineering Beijing Jiaotong University Beijing China State Key Laboratory of Hvdc Electric Power Research Institute China Southern Power Grid Guangzhou China National Energy Power Grid Technology R&d Centre Guangzhou China Guangdong Provincial Key Laboratory of Intelligent Operation and Control for New Energy Power System Guangzhou China Csg Key Laboratory for Power System Simulation Electric Power Research Institute China Southern Power Grid Guangzhou China

ISBN: (纸本)9798350368345

With the rapid proliferation of Electric Vehicles (EV s), effectively leveraging the regulation potential of EV charging loads has become a prominent issue. This paper proposes a multi-type EV schedulability modeling method based on the analysis of charging behavior characteristics of different user types. The model comprehensively considers the charging characteristics of various types of EV s, including private cars, ride-hailing vehicles, and taxis, utilizing a charging start-stop probability distribution model. Case studies demonstrate that this model can not only accurately reflect the charging demands of EV s but also provide valuable references for strategies involving EV fleet participation in grid regulation. © 2024 IEEE.

关键词： Charging stations

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The HEFT Algorithm Based on Node Merging 8

The HEFT Algorithm Based on Node Merging

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8th International Workshop on control Engineering and Advanced Algorithms, IWCEAA 2024

作者： Huang, Ying Lu, Yuanhong Zhang, Jie Zhang, Jingyue Guo, Haiping National Energy Power Grid Technology R&D Centre Guangzhou510663 China State Key Laboratory of HVDC Electric Power Research Institute China Southern Power Grid Guangzhou Guangzhou510663 China Guangdong Provincial Key Laboratory of Intelligent Operation and Control for New Energy Power System Guangzhou Guangzhou510663 China CSG Key Laboratory for Power System Simulation Electric Power Research Institute China Southern Power Grid Guangzhou Guangzhou510663 China

ISBN: (纸本)9798331528881

The task scheduling problem in power systems is complex, especially when communication costs exceed computation costs. This paper proposes an improved HEFT algorithm with a node merging mechanism, merging nodes through hierarchical traversal to assign high-communication-cost tasks to the same processor, reducing communication overhead. Experiments with 499-dimensional and 1614-dimensional matrices from the power system show that the improved algorithm reduces completion time by 5ms and 2ms, respectively, compared to standard HEFT. © 2024 IEEE.

关键词： Scheduling algorithms

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