IET Energy Systems Integration最新文献_第8页

IF 1.7

IET Energy Systems Integration Pub Date : 2025-06-10

引用次数: 0

Model-Free Predictive Direct Control of Unified Power Quality Conditioner Based on Ultra-Local Model 基于超局部模型的统一电能质量调节器无模型预测直接控制

IF 1.7

IET Energy Systems Integration Pub Date : 2025-06-10 DOI: 10.1049/esi2.70009

Guifeng Wang, Jinling Ji, Xinxin Zhu, En Fang, Qigang Du, Chao Luo, Zhifang Lin

{"title":"Model-Free Predictive Direct Control of Unified Power Quality Conditioner Based on Ultra-Local Model","authors":"Guifeng Wang, Jinling Ji, Xinxin Zhu, En Fang, Qigang Du, Chao Luo, Zhifang Lin","doi":"10.1049/esi2.70009","DOIUrl":"10.1049/esi2.70009","url":null,"abstract":"To enhance the robustness of the unified power quality conditioner (UPQC) with finite control set model predictive control (FCS-MPC), direct control in the dq coordinate system faces challenges such as complex coordinate transformation, system coupling issue and phase-locked-loop delays. In this study, a predictive direct control strategy based on an ultra-local model (ULM) is proposed. A model-free parametric predictive direct current control scheme for the UPQC within the αβ framework is crafted by amalgamating an ultra-local model with predictive direct control. Derived from the generalised instantaneous power theory and the active power equilibrium within the UPQC system, the current command generation mechanism of UPQC is established, and the parallel active power filters (PAPF) current command generation mechanism is developed by integrating dead-beat control alongside the strategy for maintaining a consistent baseline voltage magnitude for the connected load. This approach effectively navigates the complex coordinate transformation and system coupling issue, realises no phase-locked loop, no system parameters and no PI outer-loop controller control and simplifies the control system structure. Simulation results show that even with 50% parameter mismatch, the proposed strategy can still maintain the grid current THD at < 2%. Finally, we verify the feasibility of the strategy through simulations and experiments.","PeriodicalId":33288,"journal":{"name":"IET Energy Systems Integration","volume":"7 1","pages":""},"PeriodicalIF":1.7,"publicationDate":"2025-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1049/esi2.70009","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144256406","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

IF 1.7

IET Energy Systems Integration Pub Date : 2025-05-31

引用次数: 0

High-Power Voltage Source Converter for Integration of Battery in Power System 用于电力系统中蓄电池集成的大功率电压源变换器

IF 1.7

IET Energy Systems Integration Pub Date : 2025-05-31 DOI: 10.1049/esi2.70008

Subir Karmakar, Bhim Singh, Ambrish Chandra, Kamal Al-Haddad

引用次数: 0

Regional Autonomy Strategy of Multi-Virtual Power Plant Considering Waste Incineration and Cloud Energy Storage Operator: A Low-Carbon Mixed Game Method 考虑垃圾焚烧和云储能运营商的多虚拟电厂区域自治策略：一种低碳混合博弈方法

IF 1.7

IET Energy Systems Integration Pub Date : 2025-05-10 DOI: 10.1049/esi2.70007

Xinrui Liu, Junbo Feng, Ming Li, Rui Wang, Chaoyu Dong, Liangsheng Lan, Qiuye Sun

{"title":"Regional Autonomy Strategy of Multi-Virtual Power Plant Considering Waste Incineration and Cloud Energy Storage Operator: A Low-Carbon Mixed Game Method","authors":"Xinrui Liu, Junbo Feng, Ming Li, Rui Wang, Chaoyu Dong, Liangsheng Lan, Qiuye Sun","doi":"10.1049/esi2.70007","DOIUrl":"10.1049/esi2.70007","url":null,"abstract":"Under the background of the low-carbon strategy and power market reform, multiple virtual power plants (MVPP) will coexist in the distribution network in the future. In order to improve the energy utilisation rate and the autonomy of virtual power plant (VPP) under the high proportion of renewable energy sources, and solve the conflict of interest and information asymmetry among MVPP, a mixed game dual-layer energy optimisation operation strategy between the distribution network and MVPP with the consideration of environmental benefits under the background of cloud energy storage operator (CSO) is proposed. First, a Stackelberg game dual-layer energy trading model is constructed to maximise the benefits of the upper layer and minimise the cost of the lower layer. Second, a cooperative game among members of the VPP is introduced to enable peer-to-peer trading among MVPP, and a mixed game optimisation model is established. The joint operation of the waste incineration power plant and carbon capture system is introduced into the VPP, which takes into account the economy and low carbon of the system. Then, according to the characteristics of the model, the Stackelberg model is solved by using the genetic algorithm combined with CPLEX, and the cooperative model is solved by using the alternating direction method of multipliers. The dual-layer models interact with each other, and the balanced optimal operation strategy of the CSO, MVPP and mixed game model within the MVPP is obtained. Finally, the feasibility and effectiveness of the strategy are verified by simulation examples. The low-carbon mixed game strategy proposed in this paper effectively improves the interest of CSO and MVPP, protects the data privacy of members and improves the autonomy of VPP.","PeriodicalId":33288,"journal":{"name":"IET Energy Systems Integration","volume":"7 1","pages":""},"PeriodicalIF":1.7,"publicationDate":"2025-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1049/esi2.70007","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143932371","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

IF 1.7

IET Energy Systems Integration Pub Date : 2025-05-10

引用次数: 0

Systematic Implementation and Performance Evaluation of Multiphase Power Converter in Medium Voltage Drive System 中压驱动系统中多相功率变换器的系统实现及性能评价

IF 1.7

IET Energy Systems Integration Pub Date : 2025-04-14 DOI: 10.1049/esi2.70004

Bhim Singh, Rohit Kumar

{"title":"Systematic Implementation and Performance Evaluation of Multiphase Power Converter in Medium Voltage Drive System","authors":"Bhim Singh, Rohit Kumar","doi":"10.1049/esi2.70004","DOIUrl":"10.1049/esi2.70004","url":null,"abstract":"Investigation of power converters for use in industrial drive applications finds that these converters are used low reliable components. To overcome this issue, in this paper, advanced power converters (multi-pulse AC–DC and multilevel DC–AC converter) are developed and implemented to feed vector-controlled induction motor drive (VCIMD), which enhance power quality of medium voltage drive system. Multi-winding transformers with multiphase conversion as well as phase displacement technique for multi-pulse AC–DC converters are designed. Hence, to attain high power quality at grid side, while drive system is designed with the few numbers of DC sources, a multiphase conversion and phase displacement techniques-based 50-pulse rectification system is designed and developed here. For it, circuit structure of five multi winding transformers (T1, T2, T3, T4, T5) is developed through phase displacement and multiphase conversion (3- phase to 5-phase) technique instead utilising low reliability components. Apart from this, to overcome the challenges at the drive side, a six-level cascaded multilevel inverter is developed with a low number of components. The rigorous design of a 50-pulse AC–DC converter and six-level cascaded inverter-based medium voltage drive system is made and responses of this system are analysed through experiments (7.5 kW IM) at various operating conditions. In verification processes, operation principle and impact of converters utilisation are clearly analysed. More importantly, using proposed circuitry, the input current is almost sinusoidal; its input current total harmonic distortion is less than 5%. Hence, the presented drive system addresses power quality standard IEEE 519 in the system.","PeriodicalId":33288,"journal":{"name":"IET Energy Systems Integration","volume":"7 1","pages":""},"PeriodicalIF":1.7,"publicationDate":"2025-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1049/esi2.70004","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143831392","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

IF 1.7

IET Energy Systems Integration Pub Date : 2025-04-14

引用次数: 0

An Optimised Adaptive Integral Sliding Mode Control Approach for Multi-Area Power Systems: Enhancing LFC Robustness and Stability With RES Integration and Time-Delay Mitigation 一种优化的多区域电力系统自适应积分滑模控制方法：利用RES集成和时滞缓解增强LFC鲁棒性和稳定性

IF 1.7

IET Energy Systems Integration Pub Date : 2025-04-08 DOI: 10.1049/esi2.70006

Tushar Kanti Roy, Sajeeb Saha, Amanullah Maung Than Oo

{"title":"An Optimised Adaptive Integral Sliding Mode Control Approach for Multi-Area Power Systems: Enhancing LFC Robustness and Stability With RES Integration and Time-Delay Mitigation","authors":"Tushar Kanti Roy, Sajeeb Saha, Amanullah Maung Than Oo","doi":"10.1049/esi2.70006","DOIUrl":"10.1049/esi2.70006","url":null,"abstract":"Frequency stability is vital to power system operation, especially in interconnected power systems (IPS) and smart grids where renewable energy sources and load fluctuations introduce unpredictability. This variability and time delay from decentralised control configurations can impair load frequency control (LFC) and compromise system stability. This study proposes a robust adaptive integral terminal sliding mode controller (RAITSMC) for LFC to address these challenges. The controller mitigates destabilising effects from time delays, parametric uncertainties and nonlinear disturbances. A delay-dependent sliding surface is developed to enhance the system's response to tie-line power and frequency deviations. Perturbations are estimated using an adaptation law, and a decentralised robust control law ensures the system's trajectory remains on the sliding surface with minimal control efforts. The controller's stability is validated via the Lyapunov theorem, and its parameters are optimised using the arithmetic optimisation algorithm. Simulations on the IEEE 10-generator New England 39-bus power system demonstrate significant improvements, including reduced frequency overshoot (48.3%), undershoot (45.7%) and settling time (37.2%), along with enhanced robustness under <math>\u0000 <semantics>\u0000 <mrow>\u0000 <mo>±</mo>\u0000 </mrow>\u0000 <annotation> $pm $</annotation>\u0000 </semantics></math>50% parametric variations. Comparative analyses reveal superior performance across error-based indices, showcasing RAITSMC's potential to ensure a reliable and stable power system operation.","PeriodicalId":33288,"journal":{"name":"IET Energy Systems Integration","volume":"7 1","pages":""},"PeriodicalIF":1.7,"publicationDate":"2025-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1049/esi2.70006","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143801594","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

IF 1.7

IET Energy Systems Integration Pub Date : 2025-04-08

引用次数: 0