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2022 22nd National Power Systems Conference (NPSC)最新文献

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Design and Feasibility analysis of Floating Solar Photovoltaic System for Minicoy Island, India 印度Minicoy岛浮动太阳能光伏系统设计与可行性分析
2022 22nd National Power Systems Conference (NPSC) Pub Date : 2022-12-17 DOI: 10.1109/NPSC57038.2022.10069946
A. Verma, Mamatha Gangavarapu, P. Kulkarni
{"title":"Design and Feasibility analysis of Floating Solar Photovoltaic System for Minicoy Island, India","authors":"A. Verma, Mamatha Gangavarapu, P. Kulkarni","doi":"10.1109/NPSC57038.2022.10069946","DOIUrl":"https://doi.org/10.1109/NPSC57038.2022.10069946","url":null,"abstract":"Various ruinous effects of using fossils for generation has already degraded the quality of the planet, so switching to natural resources is the need of the planet. Milestones are already achieved milestones in generating energy using solar ground mounted systems but due to land scarcity at places like Islands authors have proposed floating solar plants. Floating solar photovoltaic system is an idea of combining the two most abundant resources, solar energy and water together. So, to fulfill the most critical need of humans’ electricity, the authors have proposed a floating solar photovoltaic system for an Island keeping environmental benefits as the urgent need of the planet in mind. This is an innovation in the area of energy production using the free solar source. Islands like Lakshadweep which are declared as hope spots need renewable resources for electricity production. In this paper to meet estimated 1.1929 MU of electricity demand at Minicoy Island the FSPV installation requires an S31.S5kWp plant, having 0.7415 performance ratio. As the location is near the equator so sufficient global irradiance is achieved. The value of peak sun hours make it suitable for solar installation. This offshore system is using batteries for storage thus having a solar fraction value of 97.60%. Environment benefits include reduction in 6520 tons of CO2 production and saving of 0. S065 ha of land.","PeriodicalId":162808,"journal":{"name":"2022 22nd National Power Systems Conference (NPSC)","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116550388","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
Towards a Three Phase Local Substation IT Calibrator using PMU Data 基于PMU数据的三相变电站IT校准器研究
2022 22nd National Power Systems Conference (NPSC) Pub Date : 2022-12-17 DOI: 10.1109/NPSC57038.2022.10068914
Pragati P. Gupta, R. Gajbhiye, G. Gajjar, P. Navalkar, S. Soman
{"title":"Towards a Three Phase Local Substation IT Calibrator using PMU Data","authors":"Pragati P. Gupta, R. Gajbhiye, G. Gajjar, P. Navalkar, S. Soman","doi":"10.1109/NPSC57038.2022.10068914","DOIUrl":"https://doi.org/10.1109/NPSC57038.2022.10068914","url":null,"abstract":"Under URTDSM project, instrument transformers in 400 kV and 765 kV substations are to be calibrated using PMU data. This paper reviews existing methods for soft calibration using synchrophasors and discusses practical difficulties encountered in this activity. The paper suggests that it is feasible to develop a local substation based CT and CVT calibration system using data centric approach. This approach will be both simpler and superior vis-à-vis existing paradigm. Such calibrator can be implemented with ease provided substation transformer and shunt reactor CTs are wired to PMUs. Sensitivity analysis is carried out to bring out the importance of this activity and feasibility of carrying out physical CT calibration is also discussed.","PeriodicalId":162808,"journal":{"name":"2022 22nd National Power Systems Conference (NPSC)","volume":"80 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122909203","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
Performance Analysis of Bidirectional Electric Vehicles Charging Station with PV Integration 光伏一体化双向电动汽车充电站性能分析
2022 22nd National Power Systems Conference (NPSC) Pub Date : 2022-12-17 DOI: 10.1109/NPSC57038.2022.10069009
Baru Chauhan, P. Jena
{"title":"Performance Analysis of Bidirectional Electric Vehicles Charging Station with PV Integration","authors":"Baru Chauhan, P. Jena","doi":"10.1109/NPSC57038.2022.10069009","DOIUrl":"https://doi.org/10.1109/NPSC57038.2022.10069009","url":null,"abstract":"There are significant obstacles for operation and dependability of the system with the growing use of electric vehicles (EVs), transportation systems, and distribution generators (renewable resources) for power generation. This paper designs a bidirectional control technique that provides efficient operation during the charging and discharging of EV batteries. The Photovoltaic (PV) array is integrated with the system to charge the EV batteries and reduce the reliance on the grid. But due to the environmental conditions, the fluctuations in PV generation are very high. The interface between these systems is not well understood. The control technique is essential to secure reliable operation and enhance the performance of the system. This technique controls the voltage deviation of the grid at the point of common coupling and reduces the total harmonic distortions (THD) while EVs are charging/discharging with the PV array.","PeriodicalId":162808,"journal":{"name":"2022 22nd National Power Systems Conference (NPSC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127000722","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
Stochastic Multi-objective Bi-level Optimization Model for Operation of Active Distribution System with Demand Response 考虑需求响应的主动配电系统运行随机多目标双层优化模型
2022 22nd National Power Systems Conference (NPSC) Pub Date : 2022-12-17 DOI: 10.1109/NPSC57038.2022.10068875
Tanuj Rawat, Jyotsna Singh, Sachin Sharma, K. R. Niazi
{"title":"Stochastic Multi-objective Bi-level Optimization Model for Operation of Active Distribution System with Demand Response","authors":"Tanuj Rawat, Jyotsna Singh, Sachin Sharma, K. R. Niazi","doi":"10.1109/NPSC57038.2022.10068875","DOIUrl":"https://doi.org/10.1109/NPSC57038.2022.10068875","url":null,"abstract":"In this work, a multi-objective (MO) bi-level (BL) model for interaction between distribution system operator (DSO) and demand response (DR) aggregators is developed. In the upper level, the objectives of DSO are to jointly optimize its profit and energy not supplied (ENS) while maximizing profit is the objective at lower level from DR aggregator’s perspective. The upper level MO problem is transformed into a single objective optimization using $epsilon$-constraint method. And, the BL problem is converted into a single level structure using Karush-Kuhn-Tucker (KKT) conditions and strong duality theorem. In addition, stochastic AC power flow is applied to address uncertain natures of grid electricity prices, inflexible load demand and power from wind and solar respectively. Numerical results on a modified 33-bus distribution system demonstrate the effectiveness of the proposed bi-level approach.","PeriodicalId":162808,"journal":{"name":"2022 22nd National Power Systems Conference (NPSC)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127744536","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
An Impact Study of Time of Use Pricing on Voltage Control Devices 使用时间定价对电压控制装置的影响研究
2022 22nd National Power Systems Conference (NPSC) Pub Date : 2022-12-17 DOI: 10.1109/NPSC57038.2022.10069430
Chaman Lai Dewangan, Manoranjan Satapathy, S. N. Singh, S. Chakrabarti
{"title":"An Impact Study of Time of Use Pricing on Voltage Control Devices","authors":"Chaman Lai Dewangan, Manoranjan Satapathy, S. N. Singh, S. Chakrabarti","doi":"10.1109/NPSC57038.2022.10069430","DOIUrl":"https://doi.org/10.1109/NPSC57038.2022.10069430","url":null,"abstract":"Time of Use (TOU) pricing motivates customers to schedule flexible loads from peak to off-peak periods and minimizes electricity bills. TOU pricing minimizes peak demand and energy procurement costs. This paper investigates different TOU price levels in the Distribution System (DS) with varying load profiles and solar PV penetration levels. TOU pricing affects the system’s load profile, which in turn affects the performance of the voltage control devices. The demand response and its effect on voltage regulation have been researched in the literature. On the other hand, the impact of TOU pricing on voltage control devices has not been properly investigated. The effects of TOU pricing on Conservative Voltage Reduction (CVR), switching of On-Load Tap Changers (OLTC), Voltage Regulators (VR), and Capacitor Banks (CB), reactive power output, and active power curtailment by solar inverters are examined in 69-node DS and IEEE 123-node DS systems With varying levels of solar PV penetration.","PeriodicalId":162808,"journal":{"name":"2022 22nd National Power Systems Conference (NPSC)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127932833","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
Optimal Dispatch of CHP in Network with Heat Pump and Electric Storage 热泵蓄电联网热电联产优化调度
2022 22nd National Power Systems Conference (NPSC) Pub Date : 2022-12-17 DOI: 10.1109/NPSC57038.2022.10069358
Vidhu Saini, Satish Sharma, R. Bhakar
{"title":"Optimal Dispatch of CHP in Network with Heat Pump and Electric Storage","authors":"Vidhu Saini, Satish Sharma, R. Bhakar","doi":"10.1109/NPSC57038.2022.10069358","DOIUrl":"https://doi.org/10.1109/NPSC57038.2022.10069358","url":null,"abstract":"Cogeneration system like combined heat and power (CHP) is gaining popularity because it can reuse the waste heat to produce useable thermal energy, also it increases the overall flexibility of the system and increases coordination between heat and electricity systems. Using a heat pump (HP) helps achieve significant system benefits such as HP can efficiently provide heat energy for consumers, which reduces the operational costs of central heat supply from combined heat and power (CHP) units. In this paper, a framework is developed to evaluate the economic benefits of integrating HP into a CHP system with Energy Storage System (ESS). Case studies based on the IEEE 24-bus system demonstrate that by investing in HP and ESS, the operational costs of CHP systems can be effectively reduced in both the electric and heating sectors. In this paper three cases are considered. DC Optimal Power Flow (DCOPF) on IEEE 24 bus system having CHP, Heat Pump and Energy Storage System (ESS) is performed and it is considered as base case. Case I is considered by excluding ESS and Case II is considered by excluding CHP. Locational Marginal Prices (LMPs) are calculated for each case and the results are then compared. Also, the impacts on Heat price are observed.","PeriodicalId":162808,"journal":{"name":"2022 22nd National Power Systems Conference (NPSC)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133757778","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
A Neural Network Approach to Design Power System Stabilizer for Damping Power Oscillations 基于神经网络的电力系统稳定器阻尼设计
2022 22nd National Power Systems Conference (NPSC) Pub Date : 2022-12-17 DOI: 10.1109/NPSC57038.2022.10070020
D. Sarkar, T. Prakash
{"title":"A Neural Network Approach to Design Power System Stabilizer for Damping Power Oscillations","authors":"D. Sarkar, T. Prakash","doi":"10.1109/NPSC57038.2022.10070020","DOIUrl":"https://doi.org/10.1109/NPSC57038.2022.10070020","url":null,"abstract":"Modern power system networks are structurally complex and are prone to several undesired phenomena like outage of lines and generators, transmission line faults, power oscillations etc. The power oscillations exist in the system after disturbances when generators swing with respect to each other. However, these oscillations are required to be damped sufficiently to ensure reliable operation of system. Consequently, in this work, a neural network approach is adopted to design power system stabilizer (PSS) for damping power oscillations in a single-machine infinite bus test system. For neural network, a radial basis function neural network (RBFNN) is chosen to train the parameters of PSSs. Diverse test cases are considered to test the performance of proposed PSS and the results are compared with results obtained from conventional PSSs. The performance of proposed PSS is found to be efficient.","PeriodicalId":162808,"journal":{"name":"2022 22nd National Power Systems Conference (NPSC)","volume":"74 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134015941","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
Optimal Utilization of Reactive Power Capabilities of Distributed Solar PV Inverter 分布式太阳能光伏逆变器无功能力的优化利用
2022 22nd National Power Systems Conference (NPSC) Pub Date : 2022-12-17 DOI: 10.1109/NPSC57038.2022.10070017
Arjun Tyagi, Mohsina Nazir, K. Kumar, V. Tyagi, Bhavnesh Kumar
{"title":"Optimal Utilization of Reactive Power Capabilities of Distributed Solar PV Inverter","authors":"Arjun Tyagi, Mohsina Nazir, K. Kumar, V. Tyagi, Bhavnesh Kumar","doi":"10.1109/NPSC57038.2022.10070017","DOIUrl":"https://doi.org/10.1109/NPSC57038.2022.10070017","url":null,"abstract":"To improve energy security and mitigate climate changes, renewable energy particularly solar energy is being significantly integrated with the power grid. Solar PV inverter, used for conversion of generated DC power into AC power has the ability to supply active and reactive power. Traditionally, only active power ability of solar inverter is being used. Although, the reactive power capability of the solar inverter can also be utilized for the maximization of benefits. In this study, the reactive power ability of the solar inverter has been used for minimizing power loss and enhancing the loadability limit of the distribution system. The loadability limit has been maximized by utilizing a new voltage-based stability indicator. New voltage-based stability indicator overcomes the computational complexity problem of unbalanced continuous power flow. Moreover, in the optimization, a Grey Wolf optimization algorithm has been used and the proposed methodology is applied and verified with IEEE-33 bus test system.","PeriodicalId":162808,"journal":{"name":"2022 22nd National Power Systems Conference (NPSC)","volume":"263 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134292518","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
Smooth Transition Control With Logarithmic Hyperbolic Cosine Filter for Wind–Solar–Diesel based AC/DC Microgrid At Different Operating States 基于对数双曲余弦滤波的风电-太阳能-柴油交直流微电网不同运行状态平滑过渡控制
2022 22nd National Power Systems Conference (NPSC) Pub Date : 2022-12-17 DOI: 10.1109/NPSC57038.2022.10068910
Souvik Das, Bhim Singh
{"title":"Smooth Transition Control With Logarithmic Hyperbolic Cosine Filter for Wind–Solar–Diesel based AC/DC Microgrid At Different Operating States","authors":"Souvik Das, Bhim Singh","doi":"10.1109/NPSC57038.2022.10068910","DOIUrl":"https://doi.org/10.1109/NPSC57038.2022.10068910","url":null,"abstract":"Renewable sources equipped AC/DC microgrids in rural areas need to be augmented with diesel generator (DG)-set for reliable power deliverability at prolonged grid outage scenarios. In view of this, a DG set equipped AC/DC microgrid along with the control strategy is presented in this work. Here, multiple doubly-fed induction generators (DFIGs) and multiple solar photovoltaic (SPV) arrays are employed for wind and solar power generations, respectively. In this microgrid topology, the operation of DFIGs are in no way influenced by any of the grid voltage irregularities like unbalance or distortions. Microgrid control is devised for a decentralized implementation, and it ensures disruption-free power to local loads, while, also enabling smooth transitions among different operating states. The disconnections and reconnections of DFIGs and DG-set from the microgrid effectuate these operating states. A logarithmic hyperbolic cosine filter (LHCF) is utilized in the microgrid control strategy. In a healthy grid scenario, the control strategy operates to inject a constant power into the grid even amidst intermittencies in wind, solar, or load powers. Meanwhile, at prolonged grid outage when the integration of DG-set becomes indispensable, the control strategy operates to ensure an optimal consumption of diesel fuel from the generator. The AC/DC microgrid operation and the LHCF-based control strategy are validated through simulation results.","PeriodicalId":162808,"journal":{"name":"2022 22nd National Power Systems Conference (NPSC)","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133869098","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
Overreaching of Reactive Reach in Distance Protection Relay for Faults Involving Earth Path and Soil Resistivity as a Limiting Determinant 以接地路径和土壤电阻率作为限制决定因素的故障距离保护中无功到达过伸
2022 22nd National Power Systems Conference (NPSC) Pub Date : 2022-12-17 DOI: 10.1109/NPSC57038.2022.10069392
Abhishek Kalita
{"title":"Overreaching of Reactive Reach in Distance Protection Relay for Faults Involving Earth Path and Soil Resistivity as a Limiting Determinant","authors":"Abhishek Kalita","doi":"10.1109/NPSC57038.2022.10069392","DOIUrl":"https://doi.org/10.1109/NPSC57038.2022.10069392","url":null,"abstract":"Overreaching has been a major concern in the transmission line network. Line differential protection to tackle the issue is not available at times due to various constraints (Monetary, OPGW network etc.) Overreaching by a relay at a local bus due to a fault in some other line at remote bus is a major concern as it leads to the blackout in a LILO (Loop-In Loop-Out) substation. Such a scenario occurs during lightning faults and solid ground faults of low resistive nature. Weak infeed from remote end also elevates the condition of overreaching. The following is a case study of such a fault and the steps taken to rectify it. It is a comparative study of the effect of change in “earth/residual compensation factor” on the reactive reach of the relay setting. Changes in the value of earth compensation factor is done by trend analysis of fault in lines over a period of time considering the physical factors associated with the calculation of earth compensation factor.","PeriodicalId":162808,"journal":{"name":"2022 22nd National Power Systems Conference (NPSC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130338163","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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