2020 IEEE 9th Power India International Conference (PIICON)最新文献_第2页

Behavior of Natural Ester Oil under Negative and Positive Lightning Impulse Stress 天然酯油在负、正雷电脉冲胁迫下的行为

2020 IEEE 9th Power India International Conference (PIICON) Pub Date : 2020-02-01 DOI: 10.1109/PIICON49524.2020.9113044

Ritika Agarwal, Anjali Uppal, Pavitra Sharma, C. Narasimhan, Sohan S. Beldar, Jeyabalan Velandy

{"title":"Behavior of Natural Ester Oil under Negative and Positive Lightning Impulse Stress","authors":"Ritika Agarwal, Anjali Uppal, Pavitra Sharma, C. Narasimhan, Sohan S. Beldar, Jeyabalan Velandy","doi":"10.1109/PIICON49524.2020.9113044","DOIUrl":"https://doi.org/10.1109/PIICON49524.2020.9113044","url":null,"abstract":"Ester oils are becoming potential alternatives for mineral oil due to their better biodegradability, higher fire point, higher moisture tolerance and continuous overloading capabilities. With the increase in its popularity, it becomes important for transformer, reactor, instrument transformer manufacturer and power utilities to understand the complete insulating properties of natural esters and their impact on insulation design. In this paper, behavior of natural ester oil under positive and negative polarities of lightning impulse waveshape are analyzed with respect to mineral oil. The breakdown strength of the mineral oil is considered as a benchmark. Two types of natural esters are used for comparison of impulse waveshape of polarity results with mineral oil. The impulse tests are performed with vertical configuration test cell under completely divergent field using sphere-needle electrode configuration with various gaps between the electrodes. The impulse breakdown data obtained from all the impulse polarity tests are statistically analyzed by 3 parameter weibull distribution in order to establish the 1% breakdown voltages for natural ester oil and mineral oil. Furthermore, electrical stress analysis is performed based on 1% breakdown voltages resulting in calculation of utilization factor by using FEM technique.","PeriodicalId":422853,"journal":{"name":"2020 IEEE 9th Power India International Conference (PIICON)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130596818","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

Irregular-shaped Particle Motion and Charge Transfer Mechanism in Transformer Oil under Varying Field 变场作用下变压器油中不规则粒子运动及电荷传递机理

2020 IEEE 9th Power India International Conference (PIICON) Pub Date : 2020-02-01 DOI: 10.1109/PIICON49524.2020.9112961

Muhammed Faisal Rahman, P. Nirgude

{"title":"Irregular-shaped Particle Motion and Charge Transfer Mechanism in Transformer Oil under Varying Field","authors":"Muhammed Faisal Rahman, P. Nirgude","doi":"10.1109/PIICON49524.2020.9112961","DOIUrl":"https://doi.org/10.1109/PIICON49524.2020.9112961","url":null,"abstract":"The presence of particle in transformer oil can cause significant problem to insulation system of transformer which can lead to a partial discharge inception and further extend to a complete breakdown. Many studies primarily considered the spherical particle for the investigation to understand the effect of particle in oil. Contribution towards understanding the effect of irregular-shaped particle in oil are very limited. This paper introduces a modified general equation for irregular-shaped particle motion in transformer oil. Additionally, the charge transfer and discharge mechanism of particle under uniform and non-uniform field is also investigated. The newly modified equation is more general in nature and can be used for any shape of particle motion in oil whereas the existing equation mainly explained for spherical particle. The electrostatic Coulomb force experienced on the irregular-shaped particle explicitly discussed in the presented work. The modified equation also includes the electric field gradient force component and thus can be considered valid for any particle in transformer oil under different type of field configurations.","PeriodicalId":422853,"journal":{"name":"2020 IEEE 9th Power India International Conference (PIICON)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114327776","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 High Power Quality Battery Charger for Light Electric Vehicle based on Improved BL Cuk Converter with Low Component Count 基于改进型低元件数BL - Cuk转换器的轻型电动汽车高品质电池充电器

2020 IEEE 9th Power India International Conference (PIICON) Pub Date : 2020-02-01 DOI: 10.1109/PIICON49524.2020.9112886

Bhim Singh, R. Kushwaha

{"title":"A High Power Quality Battery Charger for Light Electric Vehicle based on Improved BL Cuk Converter with Low Component Count","authors":"Bhim Singh, R. Kushwaha","doi":"10.1109/PIICON49524.2020.9112886","DOIUrl":"https://doi.org/10.1109/PIICON49524.2020.9112886","url":null,"abstract":"In this paper, a bridgeless (BL) Cuk converter with low component count is presented for front-end power factor correction (PFC) in E-rickshaw battery charger. A flyback converter is used at the next stage to control the current through the e-rickshaw battery. This front-end BL Cuk converter uses only one switch, and one diode for bridgeless operation. The numbers of magnetic components in the converter, are reduced to half than that in a conventional two switch BL Cuk converter based E-rickshaw battery chargers. Therefore, the total component count is significantly reduced than the conventional one. This BL Cuk converter has the additional advantage of reduced switch voltage stress when compared to conventional BL converters. This BL PFC converter and the isolated converter are selected to operate in discontinuous conduction mode (DCM). An 850W prototype of this EV charger is tested at steady state and over the varying supply voltages. The improved performance of this BL Cuk converter is observed with reduced voltage stress, higher efficiency over the conventional BL converters on the account of low conduction losses.","PeriodicalId":422853,"journal":{"name":"2020 IEEE 9th Power India International Conference (PIICON)","volume":"518 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116244572","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

Recognition of Voltage Sag Causes using Vector Quantization based Orthogonal Wavelet 基于正交小波矢量量化的电压暂降原因识别

2020 IEEE 9th Power India International Conference (PIICON) Pub Date : 2020-02-01 DOI: 10.1109/PIICON49524.2020.9112953

A. Aggarwal, M. Saini

引用次数: 2

Harmonic Analysis of a BLDC Motor Under Demagnetization Fault Conditions 无刷直流电机退磁故障条件下的谐波分析

2020 IEEE 9th Power India International Conference (PIICON) Pub Date : 2020-02-01 DOI: 10.1109/PIICON49524.2020.9113068

A. Usman, V. Sharma, Bharat Singh Rajpurohit

引用次数: 2

A Novel Meta-heuristic for Optimal Allocation of Distributed Generation in Balanced Distribution Network Considering Hourly Load Variation 考虑小时负荷变化的平衡配电网分布式发电优化配置的元启发式算法

2020 IEEE 9th Power India International Conference (PIICON) Pub Date : 2020-02-01 DOI: 10.1109/PIICON49524.2020.9113054

S. Saha, V. Mukherjee

引用次数: 1

Thermal Performance of Ester Oil Transformers with Different Placement of Cooling Fan 不同冷却风扇位置下酯油变压器的热性能

2020 IEEE 9th Power India International Conference (PIICON) Pub Date : 2020-02-01 DOI: 10.1109/PIICON49524.2020.9112958

Jeyabalan Velandy, Ankita Garg, C. Narasimhan

{"title":"Thermal Performance of Ester Oil Transformers with Different Placement of Cooling Fan","authors":"Jeyabalan Velandy, Ankita Garg, C. Narasimhan","doi":"10.1109/PIICON49524.2020.9112958","DOIUrl":"https://doi.org/10.1109/PIICON49524.2020.9112958","url":null,"abstract":"Ester oil is becoming a substitute to replace mineral oil for transformers due to higher fire safe, environmental friendly, higher thermal stability and or longer insulation life (transformer life). The chemical composition and molecular structure of ester oil groups of natural ester oil and synthetic ester oil are entirely different from commonly used petroleum based mineral oil. The higher viscous nature of ester oil will increase the oil temperature rise, winding temperature rise, winding gradient and hot-spot temperature due to less convective heat transfer. Hence, the internal and external cooling modes of transformer needs to be analyzed extensively by transformer manufacturer to get an advantageous of ester oil for transformer applications. In this paper, Thermal Hydraulic Network Model (THNM) is effectively utilized to predict top oil temperature rise, bottom oil temperature rise, winding temperature rise, oil flow rate and hot-spot temperature on 12.5/16MVA, 132/11kV transformer winding geometry with different types of ester oil and comparing its results with mineral oil under steady state conditions. In addition, effect of different types of cooling fan mounting arrangements (vertical and horizontal manner) on 4 radiators with 3 cooling fan and 4 radiators with 4 fan are analyzed and its results are compared for ester oil and mineral oil. Temperature rise test is also performed to validate the THNM results.","PeriodicalId":422853,"journal":{"name":"2020 IEEE 9th Power India International Conference (PIICON)","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131651430","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: 3

BLDC Motor Ceiling Fan Using a Bridgeless Isolated PFC SEPIC Converter 使用无桥隔离PFC SEPIC转换器的无刷直流电机吊扇

2020 IEEE 9th Power India International Conference (PIICON) Pub Date : 2020-02-01 DOI: 10.1109/PIICON49524.2020.9113031

Amit Kumar, Utkarsh Sharma, Bhim Singh

引用次数: 6

Enhanced Two-stage Coordination Control of AC/DC Hybrid Microgrid 交直流混合微电网的改进两级协调控制

2020 IEEE 9th Power India International Conference (PIICON) Pub Date : 2020-02-01 DOI: 10.1109/PIICON49524.2020.9112914

V. Dhiman, S. Shivam

引用次数: 0

Design and Control of a BLDC Motor drive using Hybrid Modeling Technique and FPGA based Hysteresis Current Controller 基于混合建模技术和FPGA的迟滞电流控制器的无刷直流电机驱动器设计与控制

2020 IEEE 9th Power India International Conference (PIICON) Pub Date : 2020-02-01 DOI: 10.1109/PIICON49524.2020.9112895

A. Usman, B. Rajpurohit

{"title":"Design and Control of a BLDC Motor drive using Hybrid Modeling Technique and FPGA based Hysteresis Current Controller","authors":"A. Usman, B. Rajpurohit","doi":"10.1109/PIICON49524.2020.9112895","DOIUrl":"https://doi.org/10.1109/PIICON49524.2020.9112895","url":null,"abstract":"This paper shall illustrate on the design and development of a BLDC motor drive using Hybrid Analytical- Numerical based modeling methods. The proposed hybrid methodology shall adopt both, Electrical Equivalent Circuit (EEC) and Numerical Method (NM) based techniques for having better accuracy with less computational time. The developed BLDC motor is operated using a Field Programmable Gate Array (FPGA) based control drive adopting Hysteresis Current Control (HCC) technique. The FPGA based PI speed controller sense the speed of the motor through Hall Effect sensors of the BLDC motor and generate reference current for the HCC. The generated reference current and the hysteresis controller response results in switching pulses for the 120-degree Voltage Source Inverter (VSI) of a motor drive. The FPGA based PI speed controller is designed effectively to withstand the changes in speed during the dynamic conditions of the motor. Therefore, the proposed controller can be used in industries to withstand the fault conditions in the drive and maintain the steady speed response of a motor under operation. The experimental investigation of a BLDC motor drive operated with the FPGA based algorithm developed on Xilinx ISE tool, is carried out for validating the outcomes obtained.","PeriodicalId":422853,"journal":{"name":"2020 IEEE 9th Power India International Conference (PIICON)","volume":"118 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114821529","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: 4