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Renewable Integrated Multi-Area Smart Optimization Framework for Distribution Network Operators 配电网运营商可再生集成多区域智能优化框架
2021 9th IEEE International Conference on Power Systems (ICPS) Pub Date : 2021-12-16 DOI: 10.1109/ICPS52420.2021.9670070
N. Padhy, Subho Paul
{"title":"Renewable Integrated Multi-Area Smart Optimization Framework for Distribution Network Operators","authors":"N. Padhy, Subho Paul","doi":"10.1109/ICPS52420.2021.9670070","DOIUrl":"https://doi.org/10.1109/ICPS52420.2021.9670070","url":null,"abstract":"Increasing population growth results expansion of distribution grids by connecting multiple areas under a main distribution substation, owned by a single distribution network operator (DNO). Optimal operation of this multi-area grid is quite challenging as demand profile and load criticality level of a pure residential area is significantly different from that of an area containing both residential and commercial consumers. The solution process becomes further challenging because of penetration of distributed renewable energy resources and battery storages. Comparatively lesser computational burden makes conventional centralized optimization techniques attractive for energy management, however their lengthy solution time and biasness towards critical customers are the main impediments to its real world implementation. Aiming to suggest a secure, reliable, unbiased, customer friendly, economic and fast energy management framework to DNO for serving multiple renewable penetrated areas, this article presents a Stackelberg Game based distributed optimization strategy. A detailed case study simulation has been demonstrated on a 132 bus distribution grid, having one substation with four underneath areas, to showcase a comprehensive study between centralized and proposed distributed optimization approaches for providing smart solutions to the DNOs.","PeriodicalId":153735,"journal":{"name":"2021 9th IEEE International Conference on Power Systems (ICPS)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130217150","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Change in Power based P&O Algorithm for Maximum Power Extraction in Solar Energy Conversion System 太阳能转换系统中基于功率变化的最大功率提取P&O算法
2021 9th IEEE International Conference on Power Systems (ICPS) Pub Date : 2021-12-16 DOI: 10.1109/ICPS52420.2021.9670210
M. G M, C. Vyjayanthi, Chirag N. Modi
{"title":"Change in Power based P&O Algorithm for Maximum Power Extraction in Solar Energy Conversion System","authors":"M. G M, C. Vyjayanthi, Chirag N. Modi","doi":"10.1109/ICPS52420.2021.9670210","DOIUrl":"https://doi.org/10.1109/ICPS52420.2021.9670210","url":null,"abstract":"Perturb and observe (P&O) is one of the commonly used maximum power extraction algorithm in solar energy conversion systems. Wherein, it suffers from its inherent limitations such as more tracking time, large power oscillations and deviations from the operating point during irradiance variations. This paper presents the concept of change in power to track the operating point at a faster rate and minimize power oscillations in steady-state conditions for efficient maximum power point tracking (MPPT) operation. The proposed algorithm applies the conventional P&O technique and tracks the maximum power point (MPP) using large step size. Once it reaches near the MPP, the concept of change in power is used to detect the oscillations and step-size of the duty-cycle is dynamically altered to operate at MPP with negligible power oscillations. In the event of a varying irradiance, the step-size of the duty-cycle is intelligently altered to a maximum value for fast tracking of MPP. The performance of the proposed algorithm is verified using MATLAB simulations and compared with the existing P&O algorithms to validate its efficacy.","PeriodicalId":153735,"journal":{"name":"2021 9th IEEE International Conference on Power Systems (ICPS)","volume":"72 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127350448","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evolution and Institutional Building of Load Despatch Centres in India 印度负荷调度中心的演变与制度建设
2021 9th IEEE International Conference on Power Systems (ICPS) Pub Date : 2021-12-16 DOI: 10.1109/ICPS52420.2021.9670242
A. Singhal, K. P. Kumar, V. Pandey, S. Saxena, Debasis De, S. Narasimhan, S. Barpanda, S. Soonee, K. Baba
{"title":"Evolution and Institutional Building of Load Despatch Centres in India","authors":"A. Singhal, K. P. Kumar, V. Pandey, S. Saxena, Debasis De, S. Narasimhan, S. Barpanda, S. Soonee, K. Baba","doi":"10.1109/ICPS52420.2021.9670242","DOIUrl":"https://doi.org/10.1109/ICPS52420.2021.9670242","url":null,"abstract":"This paper attempts to document the evolution of Load Despatch as an institution in India. It describes initiatives taken in India for institutional restructuring of Load Despatch Centres. The paper traces the history of the establishment of an Independent System Operator for the integrated operation of the Indian national grid. The technical, financial, organizational and human resource-related challenges have been discussed. The various strategies adopted for managing the transition in different phases have been outlined. The paper also highlights the key learnings which may be relevant for the organizational restructuring initiatives in other public infrastructure institutions as a part of the reforms process.","PeriodicalId":153735,"journal":{"name":"2021 9th IEEE International Conference on Power Systems (ICPS)","volume":"302 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122959652","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Application of Z-Source Circuit Breaker in a Solar PV based DC Microgrid with Battery Storage z源断路器在蓄电池储能太阳能光伏直流微电网中的应用
2021 9th IEEE International Conference on Power Systems (ICPS) Pub Date : 2021-12-16 DOI: 10.1109/ICPS52420.2021.9670127
Sharyu Chevale, Shubham Mahajan, Jaideep Bedarkar, Avinash Mathew, A. Prasad, A. Mitra
{"title":"Application of Z-Source Circuit Breaker in a Solar PV based DC Microgrid with Battery Storage","authors":"Sharyu Chevale, Shubham Mahajan, Jaideep Bedarkar, Avinash Mathew, A. Prasad, A. Mitra","doi":"10.1109/ICPS52420.2021.9670127","DOIUrl":"https://doi.org/10.1109/ICPS52420.2021.9670127","url":null,"abstract":"With the increase in need for power supply, distributed generation and subsequently the microgrids are attracting more attention. Among the different types of microgrids, DC microgrids have attained an upper hand in terms of efficiency, reliability, simplicity of control and integration of renewable energy sources. But simultaneously there are certain downsides of this system which include design and implementation of an appropriate protection system for DC microgrids to limit and clear the rapidly rising fault current in a timely manner. This paper aims to analyze the fault clearing and current limiting characteristics of modified bi-directional Z-source breaker with coupled inductor and modified uni-directional Z-source breaker with coupled inductor when incorporated in a DC microgrid system. Moreover the strategy for an increased reliability during the fault condition, in terms of uninterrupted power supply to the load, is also proposed here. A MATLAB simulation is carried out in order to evaluate the performance of the breaker.","PeriodicalId":153735,"journal":{"name":"2021 9th IEEE International Conference on Power Systems (ICPS)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115234399","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Fault Location During Power Swing Using Local Measurements 利用局部测量定位功率摆动中的故障
2021 9th IEEE International Conference on Power Systems (ICPS) Pub Date : 2021-12-16 DOI: 10.1109/ICPS52420.2021.9670133
N. George, O. Naidu, V. Pradhan
{"title":"Fault Location During Power Swing Using Local Measurements","authors":"N. George, O. Naidu, V. Pradhan","doi":"10.1109/ICPS52420.2021.9670133","DOIUrl":"https://doi.org/10.1109/ICPS52420.2021.9670133","url":null,"abstract":"Power swings can occur due to disturbances in power system, including faults on transmission lines, loss of generation, and switching of transmission lines which are heavily loaded. The phenomenon is characterized by generators accelerating relative to one another. Maloperation of distance relay during power swing is prevented using Power Swing Blocking function in modern relays. Further, accurate operation of distance protection for faults during power swing is ensured by Power Swing Unblock function. Clearance of faults during power swing, to ensure continuous supply of power requires accurate fault location identification. Existing phasor-based fault location methods fail in this scenario, due to the unstable nature of the phasors estimated using traditional phasor estimation algorithms. The paper presents the shortcomings of existing fault location solutions for faults during power swing and presents a new time-domain based single-ended fault location solution for the same. The performance of the algorithm is verified using IEEE 39-bus system modelled in PSCAD.","PeriodicalId":153735,"journal":{"name":"2021 9th IEEE International Conference on Power Systems (ICPS)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126372444","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Back Stepping Optimal Scheme with Fractional Order Control for Power System Model 基于分数阶控制的电力系统模型反演最优方案
2021 9th IEEE International Conference on Power Systems (ICPS) Pub Date : 2021-12-16 DOI: 10.1109/ICPS52420.2021.9670189
Vivek Kumar, S. Mohanty
{"title":"Back Stepping Optimal Scheme with Fractional Order Control for Power System Model","authors":"Vivek Kumar, S. Mohanty","doi":"10.1109/ICPS52420.2021.9670189","DOIUrl":"https://doi.org/10.1109/ICPS52420.2021.9670189","url":null,"abstract":"In power system networks, system perturbations may cause severe instability in synchronous generator (SG) states. The SG dynamics rely on unknown and uncertain parameters like, transient time constants that are varying under power system operation. Therefore, to achieve the reference trajectory in the fixed final time, an adequate control strategy is essential for the SG state stabilization in the power system under uncertainties. In this paper, a fractional order optimal control is proposed along with backstepping for fixed final time state stabilization of SG states by estimating unknown parameters through an adaptive law. First power system dynamics are partially linearized, then for each state error backstepping method is employed to achieve robust performance. In the final step of backstepping algorithm, a fractional order optimal control scheme is applied by designing the respective cost functions. The fractional-order term is integrated with the optimal control to achieve a fast transient response. The efficacy of the proposed control technique is validated using single machine infinite bus power system model as well as two area four machine power system model.","PeriodicalId":153735,"journal":{"name":"2021 9th IEEE International Conference on Power Systems (ICPS)","volume":"77 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123063761","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Positive Sequence Components based Fault Location Algorithm For Three Terminal Transmission Network with Non-Homogeneous Tapping 基于正序分量的非均匀分接三端传输网故障定位算法
2021 9th IEEE International Conference on Power Systems (ICPS) Pub Date : 2021-12-16 DOI: 10.1109/ICPS52420.2021.9670201
Purushotham Reddy Chegireddy, R. Bhimasingu
{"title":"Positive Sequence Components based Fault Location Algorithm For Three Terminal Transmission Network with Non-Homogeneous Tapping","authors":"Purushotham Reddy Chegireddy, R. Bhimasingu","doi":"10.1109/ICPS52420.2021.9670201","DOIUrl":"https://doi.org/10.1109/ICPS52420.2021.9670201","url":null,"abstract":"The research work presents a new positive sequence components based fault location estimation algorithm for three terminal non-homogeneous transmission network. The algorithm utilises the data corresponding to pre-fault and during fault for calculating line parameters and determines the faulted line section and fault location. The simulations are carried in PSCAD® and the algorithm is evaluated through MATLAB for a 161kV network. The algorithm has been evaluated for all fault types with different values of fault resistances at various fault locations. Out of 144 test cases 142 cases have resulted % error less than 1.5% i.e. the % error is less than 1.5% for 98.6% cases.","PeriodicalId":153735,"journal":{"name":"2021 9th IEEE International Conference on Power Systems (ICPS)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123380054","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Alternative Regression Approach for Data-Driven Power Flow Linearization Methods 数据驱动潮流线性化方法的替代回归方法
2021 9th IEEE International Conference on Power Systems (ICPS) Pub Date : 2021-12-16 DOI: 10.1109/ICPS52420.2021.9670398
Gopal Jain, Suraj Sidar, D. Kiran
{"title":"Alternative Regression Approach for Data-Driven Power Flow Linearization Methods","authors":"Gopal Jain, Suraj Sidar, D. Kiran","doi":"10.1109/ICPS52420.2021.9670398","DOIUrl":"https://doi.org/10.1109/ICPS52420.2021.9670398","url":null,"abstract":"The knowledge of essential parameters for a power network is necessary for many applications. Evaluating them using traditional methods is computationally intensive and may fail to consider all external factors affecting the system. Therefore, a machine learning-based approach is proposed that predicts these parameters in this paper. The datasets are prepared for IEEE standard test systems and extended for their training and testing. This method can prove helpful to find all the unknown parameters for a power system, especially voltage magnitude and voltage angle, with significantly less error.","PeriodicalId":153735,"journal":{"name":"2021 9th IEEE International Conference on Power Systems (ICPS)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126831908","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Fractional-order Adaptive Sliding Mode Approach for Frequency Regulation in Power System 电力系统频率调节的分数阶自适应滑模方法
2021 9th IEEE International Conference on Power Systems (ICPS) Pub Date : 2021-12-16 DOI: 10.1109/ICPS52420.2021.9670183
V. Patel, Dipayan Guha, S. Purwar
{"title":"Fractional-order Adaptive Sliding Mode Approach for Frequency Regulation in Power System","authors":"V. Patel, Dipayan Guha, S. Purwar","doi":"10.1109/ICPS52420.2021.9670183","DOIUrl":"https://doi.org/10.1109/ICPS52420.2021.9670183","url":null,"abstract":"The increased penetration of renewable sources in power system makes it more vulnerable to instability due to their intermittent outputs. Most importantly increased deviation in frequency and voltages during transient disturbances effect stability of power system. To ensure stable and reliable power supply, area frequency deviation needs to be maintained at its theoretical value (±0.5Hz). So as to decrease the frequency deviation, a fractional-order adaptive sliding mode control (FO-ASMC) is applied in a hybrid power system. To improve the system response and reduce the impact of chattering, a fractional calculus and adaptive law is incorporated into the design of traditional SMC. The performance of FO-ASMC has been examined under various load perturbations and wind power fluctuations. The findings of FO-ASMC are compared to those of traditional SMC.","PeriodicalId":153735,"journal":{"name":"2021 9th IEEE International Conference on Power Systems (ICPS)","volume":"185 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126365347","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Fast and Sensitive Time-Domain Protection of Shunt Capacitor Banks 并联电容器组的快速灵敏时域保护
2021 9th IEEE International Conference on Power Systems (ICPS) Pub Date : 2021-12-16 DOI: 10.1109/ICPS52420.2021.9670235
Rabindra Mohanty, A. Pradhan
{"title":"Fast and Sensitive Time-Domain Protection of Shunt Capacitor Banks","authors":"Rabindra Mohanty, A. Pradhan","doi":"10.1109/ICPS52420.2021.9670235","DOIUrl":"https://doi.org/10.1109/ICPS52420.2021.9670235","url":null,"abstract":"Protection of shunt capacitor bank is important for identifying an internal fault to improve its service reliability. This paper presents a time-domain protection of shunt capacitor banks with wye connection. The proposed method is sensitive to a single element failure in the capacitor bank and takes decision within a quarter cycle. The superimposed current in time-domain is computed using the subtraction of calculated current from the measured one in each phase of the capacitor bank. The superimposed component of current is zero for normal operation and non-zero for internal fault conditions. Both open and short circuit faults in the capacitor bank can be identified by the proposed method. Using the change in equivalent capacitance in each phase of the shunt capacitor bank, the number of failed capacitor element is obtained. Various cases; symmetrical fault, system voltage unbalance and poor transient response of capacitor voltage transformers are tested to validate the performance of the proposed method and found to be accurate. The issue with division operation in time-domain is also addressed in the paper.","PeriodicalId":153735,"journal":{"name":"2021 9th IEEE International Conference on Power Systems (ICPS)","volume":"182 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131452980","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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