A. Verma, K. Mayank, Somnath Meikap, Chandan Kumar
{"title":"Modelling and Control of Modular Multilevel Converter and Dual Active Bridge Based Fast Electric Vehicle Charger","authors":"A. Verma, K. Mayank, Somnath Meikap, Chandan Kumar","doi":"10.1109/icepe55035.2022.9798034","DOIUrl":"https://doi.org/10.1109/icepe55035.2022.9798034","url":null,"abstract":"This paper presents modelling and control of medium voltage (MV) grid connected modular multi-level converter (MMC) and dual active bridge (DAB) based isolated electrical vehicle charger. The presented model consists of a half bridge sub module (SM) based MMC as first stage and a DAB as second stage of the charger. Firstly, the equivalent model of MMC and DAB is introduced and then a proper control system is designed for both the converters. For MMC level shifted pulse width modulation (PWM) along with shorting algorithm based capacitor voltage balancing technique is used. Two separate voltage and current control loops are designed for DAB. Charging of battery is carried out in constant current (CC) mode upto 80% of its state of charge (SoC) and in constant voltage (CV) mode after 80% SoC of battery. A proper switching mechanism is introduced to minimise the transients during switch-over of DAB controllers. A 3.3 kV, 200 kVA grid connected MMC with a DAB and a 200 Ah, 700 V Li-ion battery system is simulated. Simulation results in steady state and also during controller switch-over process is presented to verify the charging system.","PeriodicalId":168114,"journal":{"name":"2022 4th International Conference on Energy, Power and Environment (ICEPE)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132243916","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}
Makireddi Ramana, S. B. Santra, Shivam Prakash Gautam, Akshaya K. Pati
{"title":"Analysis, Requirements and Boundary Condition of Droop Control in Multiple Parallel Connected Converters in DC Microgrid","authors":"Makireddi Ramana, S. B. Santra, Shivam Prakash Gautam, Akshaya K. Pati","doi":"10.1109/icepe55035.2022.9798314","DOIUrl":"https://doi.org/10.1109/icepe55035.2022.9798314","url":null,"abstract":"Distributed energy resources (DERs) connected in parallel using AC/DC, DC/DC converters to form a DC or AC Microgrid. DC Microgrid is essentially important for community building for future smart cities. For the limited space multiple sources i.e., PV and small wind farms are connected through multiple parallel DC/DC converters to form a DC Microgrid. The control of multiple parallel connected DC/DC converters are challenging due to different operational environmental conditions such as mismatch in converter parameters and cable resistance. For a different output voltage from separate parallel converter leads to local circulating current within the PV modules and creates difficulties in maintaining common DC link voltage as well as proportional current sharing. This also increase series power loss from each converter. Traditionally droop control is adopted to control these problems in DC Microgrid. However, the applicability, operating regions as well as working boundary conditions of droop control is critical. This paper discusses mainly on the problems of parallel connected DC/DC converter system and provides the guidelines of operational boundaries without any control and with only MPPT control. Analysis of MPPT with droop control is also performed. Finally, the theoretical findings are verified by simulation study performed in PSIM 9.1.1.","PeriodicalId":168114,"journal":{"name":"2022 4th International Conference on Energy, Power and Environment (ICEPE)","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132562018","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}
Sneha Yadav, K. Namrata, Nishant Kumar, Akshit Samadhiya
{"title":"Fuzzy based load frequency control of power system incorporating nonlinearity","authors":"Sneha Yadav, K. Namrata, Nishant Kumar, Akshit Samadhiya","doi":"10.1109/icepe55035.2022.9798219","DOIUrl":"https://doi.org/10.1109/icepe55035.2022.9798219","url":null,"abstract":"According to the analysis performed in this study, is a fuzzy-PID controller is developed to handle the load frequency-based problem of a 3 area power system that is interconnected. The system’s design features a thermal unit and each part of the thermal unit is implemented with the proposed controller. The parametric values of the controller are tuned using a fuzzy logic controller to reduce the deviation of the power and frequency occurring in the system. Lastly, the proposed fuzzy based control mechanism is collated with a number of other methods, including optimized PSO-PID, optimized GA-PID and optimized FPA-PID controllers. The outcomes of several simulation scenarios reveals that the fuzzy-PID based controller is more efficient. Random loads are also used to assess the execution and performance of the designed controllers.","PeriodicalId":168114,"journal":{"name":"2022 4th International Conference on Energy, Power and Environment (ICEPE)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114511807","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}
N. Roy, Rajib Sutradhar, S. Mandal, R. Sarma, Kritika Debnath
{"title":"Operational and Economic challenges due to Run-of-River (RoR) Hydro and ways to address the challenges","authors":"N. Roy, Rajib Sutradhar, S. Mandal, R. Sarma, Kritika Debnath","doi":"10.1109/icepe55035.2022.9798383","DOIUrl":"https://doi.org/10.1109/icepe55035.2022.9798383","url":null,"abstract":"Run-of-River (RoR) hydro generating station is a unique and eco-friendly method to harvest the energy of water. Even though this type of hydro generating station has multiple benefits in comparison to storage type, several challenges are faced by hydro power plant operators and power system operators. Major portion of these challenges are attributed to sudden variation in water inflow due to changes in weather conditions in the upstream or catchment area of these power plants. This paper describes such challenges encountered due to sudden variation of water level in the pondage of a RoR hydro power plant named Ranganadi Hydro Electric Power (RHEP) plant with installed capacity of 405 MW, situated in the state of Arunachal Pradesh of India. The RHEP power plant has a small pondage capacity of around 3 hours (while running at its installed capacity). Sudden fluctuation in water inflow often leads to unanticipated variation of water level in its pondage. The fundamental approach to get rid of challenges posed by this unanticipated variation of water level is to have an accurate forecast system to predict the water level in different time horizons. Two independent methodologies of forecasting water level using Artificial Neural Network (ANN) and Vector Auto regression (VAR) have been discussed in this paper. Both the methods have been employed to predict half hourly water level in RHEP pondage for a day by using historical data of water level and weather parameters like rainfall, humidity, and temperature. The results obtained from the two methods have been compared in this paper. Accurate forecast of water level shall ease off the challenges pertaining to variation in RoR hydro generation.","PeriodicalId":168114,"journal":{"name":"2022 4th International Conference on Energy, Power and Environment (ICEPE)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114187312","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}
{"title":"Response surface methodology based parametric analysis of the impact of installation factors on bifacial gain","authors":"Aayushee Gupta, Gautam Raina, Sunanda Sinha","doi":"10.1109/icepe55035.2022.9797968","DOIUrl":"https://doi.org/10.1109/icepe55035.2022.9797968","url":null,"abstract":"The performance estimation of a bifacial PV array is significantly more sophisticated than that of a normal monofacial installation because of its sensitivity to several additional parameters. The optimal operation of bifacial PV is mainly governed by the module's orientation, i.e., its tilt angle (β), albedo of the site (ρg), elevation above ground (E), and azimuth angle (γ). A sensitivity study on the influence different bifacial PV installation factors have on the bifacial gain (BG) is presented. RADIANCE based ray tracing model is utilized to simulate the effective irradiance on a bifacial photovoltaic module. The sensitivity study is carried out through response surface methodology (RSM) to determine the impact of different installation parameters on effective irradiance and BG of a bifacial module. The analysis have high significance (p<0.05) for all installation parameters as well as significant interaction among the factors. Furthermore, the simulations results show that module height and ground albedo have the maximum impact in governing the BG of a bifacial module.","PeriodicalId":168114,"journal":{"name":"2022 4th International Conference on Energy, Power and Environment (ICEPE)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121098780","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}
{"title":"ICEPE 2022 Cover Page","authors":"","doi":"10.23919/icep55381.2022.9795628","DOIUrl":"https://doi.org/10.23919/icep55381.2022.9795628","url":null,"abstract":"","PeriodicalId":168114,"journal":{"name":"2022 4th International Conference on Energy, Power and Environment (ICEPE)","volume":"88 12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116255909","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}
{"title":"Alleviation of Frequency Oscillations in UPFC Based Multi-Area Power System Using Fuzzy Logic Controller","authors":"K. L. Khan, Viqar Yousuf, A. H. Bhat","doi":"10.1109/icepe55035.2022.9798371","DOIUrl":"https://doi.org/10.1109/icepe55035.2022.9798371","url":null,"abstract":"The power system is a complex web of interrelated generating, distribution, and transmission networks with different uncertainties. There is a growing demand for the utilization of flexible AC transmission systems (FACTS) devices to minimize these uncertainties and ensure the smooth working of power systems. In this study, the load frequency control (LFC) for three area systems with an installed unified power flow controller (UPFC) is analyzed, which offers a deeper understanding of how the realistic power system operates. The findings cover a simple three-area system that is not implemented with a controller and is used as a reference. The frequency deviations of various controllers, such as, PID and Fuzzy, are compared to get a better understanding of how these controllers function. The simulations are done in a MATLAB/Simulink environment for a three-area power system, and the results are shown area by area, comparing results obtained with and without UPFC, as well as for fuzzy and PID controllers. Additionally, real-time simulations are carried out using OPAL-RT (OP4510), which shows how effective UPFC is in minimizing the frequency deviation when compared to a system with no controller present.","PeriodicalId":168114,"journal":{"name":"2022 4th International Conference on Energy, Power and Environment (ICEPE)","volume":"54 3-4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116602347","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}
{"title":"Parameter estimation of nonlinear systems with stable, chaotic and periodic behaviours at different initial conditions - a new approach","authors":"Rahash Nathasarma, B. K. Roy","doi":"10.1109/icepe55035.2022.9798336","DOIUrl":"https://doi.org/10.1109/icepe55035.2022.9798336","url":null,"abstract":"Real-life systems are generally nonlinear in nature. Thus, accurate nonlinear system modelling is very important to analyse and control of the same system. Nonlinear systems are highly complex and exhibit different behaviours with the variation of their initial conditions and parameters. The class of chaotic systems is nonlinear systems with high sensitivity to initial conditions. In this paper, parameters estimation of the well known Lorenz system, as an example, is considered with the variation of its parameters and initial conditions. The physics informed neural networks, a recent advance in machine learning techniques, is used for this purpose. The variation of parameters leads to stable, periodic and chaotic behaviours of the Lorenz system, and these parameters are estimated with different initial conditions. The simulation results reveal the accuracy of the estimation as (0.03 to 0.39)% for stable behaviour, (0.08 to 0.43)% for periodic behaviour and (1 to 6)% for chaotic behaviour. The transient time for the parameters estimation is checked by estimating the parameters in stable - chaotic - stable sequences. The transient time is less when the physics informed neural networks are in use for some time. The short transient time is suitable for real-life applications using the used approach. Most of the available literature for the estimation of parameters of a chaotic system considers only the set of parameters for chaotic behaviour and with only one initial condition; and thus, signify the contributions of this paper.","PeriodicalId":168114,"journal":{"name":"2022 4th International Conference on Energy, Power and Environment (ICEPE)","volume":"80 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115005356","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}
{"title":"Techno-Economic Analysis for the Profitability of Residential PV-Battery System","authors":"Gokul Krishnan T M, K. V. Vijaya Chandrakala","doi":"10.1109/icepe55035.2022.9798004","DOIUrl":"https://doi.org/10.1109/icepe55035.2022.9798004","url":null,"abstract":"Net-zero carbon targets and lowered investment costs are increasing the penetration of solar photovoltaic technology through either rooftop projects or large-scale projects. This work deals with technical and economic study for the profitability of residential PV systems with battery. The system comprises of solar panels, an inverter, and a battery system. The solar rooftop residential system with battery storage has large potential in the Indian scenario. The grid export conditions along with battery storage are common in other countries. So, the feasibility of such systems in the Indian scenario is discussed in this work. The economic parameters such as Net Present Value (NPV), Simple Payback period, Discounted Payback period, Levelized Cost of Energy (LCOE), and Profitability Index (PI) is calculated to analyze the profitability of the project. The simulation is done using System Advisor Model (SAM) software by National Renewable Energy Laboratory (NREL).","PeriodicalId":168114,"journal":{"name":"2022 4th International Conference on Energy, Power and Environment (ICEPE)","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130922739","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}
Dhritiman Adhya, Arnab Pal, A. Chakraborty, A. Bhattacharya
{"title":"Machine Learning Application for Prediction of EV Charging Demand for the Scenario of Agartala, India","authors":"Dhritiman Adhya, Arnab Pal, A. Chakraborty, A. Bhattacharya","doi":"10.1109/icepe55035.2022.9798369","DOIUrl":"https://doi.org/10.1109/icepe55035.2022.9798369","url":null,"abstract":"Electric vehicle (EV) is approaching to the market in huge scale. Futuristic planning is necessary to accommodate the EVs in changing station as well as in electrical system. Therefore, the possible charging demand by the EVs should be predicted for proper capable infrastructure. Machine Learning (ML) is the best technique for prediction. This current paper presents a comparative study among three ML techniques to determine the ideal ML technique to predict required SOC of EVs. Existing vehicle flow of Agartala city is used to train the ML model. The results show that, among CG-SVM, bagged tree regressor, and boosted tree regressor; CG-SVM outperforms the other two ML techniques with respect to performance metrics, such as-MSE, MAE, R-squared value and RMSE also been observed. CG-SVM has lesser training time and higher prediction speed. Thereby, establishing CG-SVM as suitable ML technique to predict the required SOC of EVs.","PeriodicalId":168114,"journal":{"name":"2022 4th International Conference on Energy, Power and Environment (ICEPE)","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131003925","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}