Pub Date : 2021-04-27DOI: 10.1109/ICPS51807.2021.9416617
Jairo Vladimir Chaparro, G. Ramos, David F. Celeita
Industrial power systems bring considerable challenges in terms of safety and reliability. As any other power network these type of systems have some specific risks, specially when it concerns to short circuit faults. These faults create a phenomenon called Arc Flash, which in some cases can be extremely hazardous for the system equipment, and also for the personnel. The IEEE 1584–2018 standard currently presents a methodology in the calculation of Arc Flash where the incident energy level is calculated based on the symmetrical rms bolted fault current value. However, the first cycles of the fault current are not symmetrical values. Therefore, it is necessary to analyze what happens if the incident energy is calculated as stated in the IEEE 1584–2018 standard, but using the rms value of the asymmetrical current. This article takes into account the asymmetrical current into Arc Flash estimations. This current value will affect considerably the level of incident energy during a fault, specially for systems with a high X/R ratio. Additionally, this article will show up an analysis to see what happens with Arc Flash levels in industrial power systems using high resistance grounding, and comparing it with solid grounded systems, one of the most common grounding means in industry. As this study means an improvement on the safeness of electric systems, simulations were carried out using IEEE 242 system in order to support the content of this paper.
{"title":"The Effects of Means of Grounding and Asymmetrical Current on Arc Flash","authors":"Jairo Vladimir Chaparro, G. Ramos, David F. Celeita","doi":"10.1109/ICPS51807.2021.9416617","DOIUrl":"https://doi.org/10.1109/ICPS51807.2021.9416617","url":null,"abstract":"Industrial power systems bring considerable challenges in terms of safety and reliability. As any other power network these type of systems have some specific risks, specially when it concerns to short circuit faults. These faults create a phenomenon called Arc Flash, which in some cases can be extremely hazardous for the system equipment, and also for the personnel. The IEEE 1584–2018 standard currently presents a methodology in the calculation of Arc Flash where the incident energy level is calculated based on the symmetrical rms bolted fault current value. However, the first cycles of the fault current are not symmetrical values. Therefore, it is necessary to analyze what happens if the incident energy is calculated as stated in the IEEE 1584–2018 standard, but using the rms value of the asymmetrical current. This article takes into account the asymmetrical current into Arc Flash estimations. This current value will affect considerably the level of incident energy during a fault, specially for systems with a high X/R ratio. Additionally, this article will show up an analysis to see what happens with Arc Flash levels in industrial power systems using high resistance grounding, and comparing it with solid grounded systems, one of the most common grounding means in industry. As this study means an improvement on the safeness of electric systems, simulations were carried out using IEEE 242 system in order to support the content of this paper.","PeriodicalId":350508,"journal":{"name":"2021 IEEE/IAS 57th Industrial and Commercial Power Systems Technical Conference (I&CPS)","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116437988","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}
Pub Date : 2021-04-27DOI: 10.1109/ICPS51807.2021.9416607
Jichuan Yan, X. Ge, Xiaoxing Lu, Fei Wang, Kangping Li, Hongtao Shen, P. Tao
An increasing number of residential customers install the Hybrid Rooftop Solar Battery System (HRSBS). Most household HRSBS are installed behind the meter (BTM), where only netload is measured by the utility meter, which brings challenges to the system operation. Disaggregating BTM PV generation and battery charging/discharging profile of customers can enhance grid-edge observability. To this end, this paper proposes a joint energy disaggregation method to separate the PV generation and battery charging/discharging power from the netload. First, a Home Smart Battery Management model is built to generate the battery charging/discharging profile. Second, an optimal disaggregation model is established based on Contextually Supervised Source Separation method. Third, the feature vectors of PV, load, and battery are extracted as the input of the disaggregation model. Case study results show that the proposed method has promising disaggregation performance for PV and original load, and the estimation error of battery charging/discharging profile is less than 30% in most cases. Finally, the impact of PV system size and battery capacity on the performance of the proposed method is analyzed.
{"title":"Joint Energy Disaggregation of Behind-the-Meter PV and Battery Storage: A Contextually Supervised Source Separation Approach","authors":"Jichuan Yan, X. Ge, Xiaoxing Lu, Fei Wang, Kangping Li, Hongtao Shen, P. Tao","doi":"10.1109/ICPS51807.2021.9416607","DOIUrl":"https://doi.org/10.1109/ICPS51807.2021.9416607","url":null,"abstract":"An increasing number of residential customers install the Hybrid Rooftop Solar Battery System (HRSBS). Most household HRSBS are installed behind the meter (BTM), where only netload is measured by the utility meter, which brings challenges to the system operation. Disaggregating BTM PV generation and battery charging/discharging profile of customers can enhance grid-edge observability. To this end, this paper proposes a joint energy disaggregation method to separate the PV generation and battery charging/discharging power from the netload. First, a Home Smart Battery Management model is built to generate the battery charging/discharging profile. Second, an optimal disaggregation model is established based on Contextually Supervised Source Separation method. Third, the feature vectors of PV, load, and battery are extracted as the input of the disaggregation model. Case study results show that the proposed method has promising disaggregation performance for PV and original load, and the estimation error of battery charging/discharging profile is less than 30% in most cases. Finally, the impact of PV system size and battery capacity on the performance of the proposed method is analyzed.","PeriodicalId":350508,"journal":{"name":"2021 IEEE/IAS 57th Industrial and Commercial Power Systems Technical Conference (I&CPS)","volume":"581 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132813582","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}
Pub Date : 2021-04-27DOI: 10.1109/ICPS51807.2021.9416621
Tazim Ridwan Billah Kushal, M. Illindala, Jiankang Wang
High-volume synchrophasor data generated by wide area measurement system (WAMS) presents new challenges for the design of scalable and robust communication architectures suitable for large-scale deployment in power grid monitoring and control applications. Features of information and communication technology (ICT) can be harnessed to devise a more flexible infrastructure than the conventional unicast-based hierarchical architecture. Multicast has been suggested as a potential solution for scalability issues in the current WAMS architecture. This paper proposes a decentralized dynamic multicast routing management algorithm that manages network traffic efficiently, improves scalability, and makes the system resilient to component failures. The algorithm models creation of alternate links as a stochastic process using random-graph theory and manages connections between end hosts at the session layer. This protocol can be implemented using existing ICT protocols with minimal cost. Numerical simulations show that the proposed algorithm improves the topological efficiency and resilience of the network.
{"title":"Dynamic Multicast Routing Management for Robust Wide Area Power Grid Communication","authors":"Tazim Ridwan Billah Kushal, M. Illindala, Jiankang Wang","doi":"10.1109/ICPS51807.2021.9416621","DOIUrl":"https://doi.org/10.1109/ICPS51807.2021.9416621","url":null,"abstract":"High-volume synchrophasor data generated by wide area measurement system (WAMS) presents new challenges for the design of scalable and robust communication architectures suitable for large-scale deployment in power grid monitoring and control applications. Features of information and communication technology (ICT) can be harnessed to devise a more flexible infrastructure than the conventional unicast-based hierarchical architecture. Multicast has been suggested as a potential solution for scalability issues in the current WAMS architecture. This paper proposes a decentralized dynamic multicast routing management algorithm that manages network traffic efficiently, improves scalability, and makes the system resilient to component failures. The algorithm models creation of alternate links as a stochastic process using random-graph theory and manages connections between end hosts at the session layer. This protocol can be implemented using existing ICT protocols with minimal cost. Numerical simulations show that the proposed algorithm improves the topological efficiency and resilience of the network.","PeriodicalId":350508,"journal":{"name":"2021 IEEE/IAS 57th Industrial and Commercial Power Systems Technical Conference (I&CPS)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132855058","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}
Pub Date : 2021-04-27DOI: 10.1109/ICPS51807.2021.9416594
S. Saleh, E. Ozkop, C. Mardegan, M. Valdes
This paper presents an implementation of the bus-differential protection for buses that interconnect battery storage systems (BSSs). The proposed implementation is based on employing the αß0 components of the apparent powers flowing in all branches connected to the protected bus. The αß0 components of the apparent powers are employed to accommodate changes in the direction of power flow in branches hosting BSSs. The apparent powers are determined using the measured currents in all branches and the voltage at the protected bus. The proposed implementation of the bus-differential protection is tested for various internal and external faults occurring during the charging and discharging of BSSs. Test results demonstrate the ability of the αß0 apparent power components-based bus differential protection to initiate fast, accurate, and reliable responses to internal and external faults. These response features are found to have minor sensitivity to the mode of operation of the BSS, fault location, and/or fault type.
{"title":"Bus Differential Protection for Buses Interconnecting Battery Storage Systems","authors":"S. Saleh, E. Ozkop, C. Mardegan, M. Valdes","doi":"10.1109/ICPS51807.2021.9416594","DOIUrl":"https://doi.org/10.1109/ICPS51807.2021.9416594","url":null,"abstract":"This paper presents an implementation of the bus-differential protection for buses that interconnect battery storage systems (BSSs). The proposed implementation is based on employing the αß0 components of the apparent powers flowing in all branches connected to the protected bus. The αß0 components of the apparent powers are employed to accommodate changes in the direction of power flow in branches hosting BSSs. The apparent powers are determined using the measured currents in all branches and the voltage at the protected bus. The proposed implementation of the bus-differential protection is tested for various internal and external faults occurring during the charging and discharging of BSSs. Test results demonstrate the ability of the αß0 apparent power components-based bus differential protection to initiate fast, accurate, and reliable responses to internal and external faults. These response features are found to have minor sensitivity to the mode of operation of the BSS, fault location, and/or fault type.","PeriodicalId":350508,"journal":{"name":"2021 IEEE/IAS 57th Industrial and Commercial Power Systems Technical Conference (I&CPS)","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122344394","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}
Pub Date : 2021-04-27DOI: 10.1109/ICPS51807.2021.9416629
L. Martirano, L. Lentola, G. Vescio, M. Kermani
The modularization of industrial plants concerns the decomposition of the system into multiple subsystems that are built in yards located in different areas of the world and then assembled on the construction site. This design philosophy allows to reduce construction costs and schedule. Unconventional plant solutions can make the most of this system concept also in the electrical sector. In this paper, an alternative architecture for the electrical distribution is proposed. The suggested scheme allows the reduction of the number of equipment and the weight of the system resulting an optimal solution for a modularized system. The results are achieved by decreasing the required installed power and the weight of the used copper for the cables.
{"title":"Three-Bus Architecture for Modularized Electrical Power Systems","authors":"L. Martirano, L. Lentola, G. Vescio, M. Kermani","doi":"10.1109/ICPS51807.2021.9416629","DOIUrl":"https://doi.org/10.1109/ICPS51807.2021.9416629","url":null,"abstract":"The modularization of industrial plants concerns the decomposition of the system into multiple subsystems that are built in yards located in different areas of the world and then assembled on the construction site. This design philosophy allows to reduce construction costs and schedule. Unconventional plant solutions can make the most of this system concept also in the electrical sector. In this paper, an alternative architecture for the electrical distribution is proposed. The suggested scheme allows the reduction of the number of equipment and the weight of the system resulting an optimal solution for a modularized system. The results are achieved by decreasing the required installed power and the weight of the used copper for the cables.","PeriodicalId":350508,"journal":{"name":"2021 IEEE/IAS 57th Industrial and Commercial Power Systems Technical Conference (I&CPS)","volume":"410 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132313116","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}
Pub Date : 2021-04-27DOI: 10.1109/ICPS51807.2021.9416602
S. Saleh, J. Cardenas-Barrera, E. Castillo-Guerra, B. Alsayid, L. Chang
This paper develops a method for planning smart grid functions for residential loads. The proposed planning method is developed based on defining an equivalent battery storage unit (BSU) at the distribution transformer, which feeds residential loads to be operated by smart grid functions. The power ratings of the equivalent BSU are set to match the power ratings of all controllable appliances (water heaters, air conditioners, and heating units) in the residential loads to be operated by smart grid functions. Moreover, the charge and discharge durations of the equivalent BSU are set as the off-peak-demand and peak-demand times, respectively. The equivalent battery-based planning method is tested for residential loads fed by 5 different distribution transformers. These residential loads are set to be operated by smart grid functions. Test results demonstrate the ability of the proposed method to be used for planning accurate, effective, and stable actions of smart grid functions, with minor sensitivity to the levels of power demands and/or type of controlled appliances.
{"title":"A Virtual Battery-Based Method for Planning Smart Grid Functions for Residential Loads","authors":"S. Saleh, J. Cardenas-Barrera, E. Castillo-Guerra, B. Alsayid, L. Chang","doi":"10.1109/ICPS51807.2021.9416602","DOIUrl":"https://doi.org/10.1109/ICPS51807.2021.9416602","url":null,"abstract":"This paper develops a method for planning smart grid functions for residential loads. The proposed planning method is developed based on defining an equivalent battery storage unit (BSU) at the distribution transformer, which feeds residential loads to be operated by smart grid functions. The power ratings of the equivalent BSU are set to match the power ratings of all controllable appliances (water heaters, air conditioners, and heating units) in the residential loads to be operated by smart grid functions. Moreover, the charge and discharge durations of the equivalent BSU are set as the off-peak-demand and peak-demand times, respectively. The equivalent battery-based planning method is tested for residential loads fed by 5 different distribution transformers. These residential loads are set to be operated by smart grid functions. Test results demonstrate the ability of the proposed method to be used for planning accurate, effective, and stable actions of smart grid functions, with minor sensitivity to the levels of power demands and/or type of controlled appliances.","PeriodicalId":350508,"journal":{"name":"2021 IEEE/IAS 57th Industrial and Commercial Power Systems Technical Conference (I&CPS)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128728032","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}
In this paper, we present a coordinated operation method for electric vehicle charging stations (EVCSs) and a distribution power network (DPN), considering integrated energy and reserve regulation. In this method, we firstly propose formulations of energy-reserve integrated decision for EVCSs with constraints of quality of service. Then, we propose a shared energy and reserve scheduling model based on the coalition game, and adopt a characteristic function to study allocations of economic benefits brought by the coordinated operation. Finally, case study verifies effectiveness of the proposed method, by investigating operation costs of EVCSs and DPN regarding the non-coordinated and coordinated modes, respectively.
{"title":"Coordinated Operation Between Electric Vehicle Charging Stations and Distribution Power Network Considering Shared Energy and Reserve","authors":"Yuanzheng Li, Zhixian Ni, Tianyang Zhao, Yun Liu, L. Wu, Yong Zhao","doi":"10.1109/ICPS51807.2021.9416626","DOIUrl":"https://doi.org/10.1109/ICPS51807.2021.9416626","url":null,"abstract":"In this paper, we present a coordinated operation method for electric vehicle charging stations (EVCSs) and a distribution power network (DPN), considering integrated energy and reserve regulation. In this method, we firstly propose formulations of energy-reserve integrated decision for EVCSs with constraints of quality of service. Then, we propose a shared energy and reserve scheduling model based on the coalition game, and adopt a characteristic function to study allocations of economic benefits brought by the coordinated operation. Finally, case study verifies effectiveness of the proposed method, by investigating operation costs of EVCSs and DPN regarding the non-coordinated and coordinated modes, respectively.","PeriodicalId":350508,"journal":{"name":"2021 IEEE/IAS 57th Industrial and Commercial Power Systems Technical Conference (I&CPS)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126022544","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}
Pub Date : 2021-04-27DOI: 10.1109/ICPS51807.2021.9416623
Peng Wang, Zhenyuan Zhang, Qi Huang, Weijun Zhang, Weijen Lee
Accurate model of generating unit plays a key role in power system modeling and simulation. North American Electric Reliability (NERC) requires that all generators larger than 10 MVA have to perform the model verification in every five years, to ensure the safe and stable operation of power grids. However, the key parameter identification based existing model calibration method cannot guarantee the accurate correction of the generator's problematic parameters, which have errors with their real values. The result of model calibration is still in doubt. To overcome this limitation, this paper developed a problematic-parameter-identification based model calibration method. The traj ectory sensitivity based sensitivity analysis is applied to determine the Problematic Parameter Candidates (PPCs), which have stronger influence on the model outputs to the target responses. Then, the Hilbert spectrum of PPCs and model output error curves are compared in time-frequency domain to screen out the problematic parameters. Also, the selected problematic parameters are calibrated with the measurements based identification technique. The effectiveness of the proposed method has been validated throughout a series testing cases from an actual hydropower plant integrated power system.
{"title":"Approach of Generating Unit Model Calibration with PMU Based Problematic Parameter Identification","authors":"Peng Wang, Zhenyuan Zhang, Qi Huang, Weijun Zhang, Weijen Lee","doi":"10.1109/ICPS51807.2021.9416623","DOIUrl":"https://doi.org/10.1109/ICPS51807.2021.9416623","url":null,"abstract":"Accurate model of generating unit plays a key role in power system modeling and simulation. North American Electric Reliability (NERC) requires that all generators larger than 10 MVA have to perform the model verification in every five years, to ensure the safe and stable operation of power grids. However, the key parameter identification based existing model calibration method cannot guarantee the accurate correction of the generator's problematic parameters, which have errors with their real values. The result of model calibration is still in doubt. To overcome this limitation, this paper developed a problematic-parameter-identification based model calibration method. The traj ectory sensitivity based sensitivity analysis is applied to determine the Problematic Parameter Candidates (PPCs), which have stronger influence on the model outputs to the target responses. Then, the Hilbert spectrum of PPCs and model output error curves are compared in time-frequency domain to screen out the problematic parameters. Also, the selected problematic parameters are calibrated with the measurements based identification technique. The effectiveness of the proposed method has been validated throughout a series testing cases from an actual hydropower plant integrated power system.","PeriodicalId":350508,"journal":{"name":"2021 IEEE/IAS 57th Industrial and Commercial Power Systems Technical Conference (I&CPS)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130471524","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}
Pub Date : 2021-04-27DOI: 10.1109/ICPS51807.2021.9416593
J. Dai, F. Shokooh
This paper introduces the latest IEEE Std. 3002.8 – 2018 “Recommended Practice for Conducting Harmonic Analysis Studies of Industrial and Commercial Power Systems”. The standard replaces IEEE Std. 399 (Brown Book) Chapter 10 “Harmonic analysis studies” with significant enhancements and additions. The new standard addresses requirements for performing power system harmonic-analysis studies in industrial and commercial power systems due to increasing load non-linearities and control devices. Recommendations on developing system models to include various harmonic sources and electrical equipment and devices, preparing required data for modeling and studies, validating model and data, selecting study cases, and analyzing study results and outputs are discussed in detail in the standard. Common mitigation solutions for harmonic issues are presented and discussed. Features of computer aided tools that are used to perform harmonic-analysis study are reviewed. The new standard references to the latest IEEE Std. 519–2014 “Recommended Practices and Requirements for Harmonic Control in Electrical Power Systems” for harmonic restrictions at PCC, and modeling and limits to interharmonics. Several examples are provided to demonstrate harmonic issues and illustrate analysis process through studies for mitigations. The authors of this paper are the co-chairs of IEEE Std. 3002.8-2018 working group.
{"title":"Industrial and Commercial Power System Harmonic Studies: Introduction to IEEE Std. 3002.8 - 2018","authors":"J. Dai, F. Shokooh","doi":"10.1109/ICPS51807.2021.9416593","DOIUrl":"https://doi.org/10.1109/ICPS51807.2021.9416593","url":null,"abstract":"This paper introduces the latest IEEE Std. 3002.8 – 2018 “Recommended Practice for Conducting Harmonic Analysis Studies of Industrial and Commercial Power Systems”. The standard replaces IEEE Std. 399 (Brown Book) Chapter 10 “Harmonic analysis studies” with significant enhancements and additions. The new standard addresses requirements for performing power system harmonic-analysis studies in industrial and commercial power systems due to increasing load non-linearities and control devices. Recommendations on developing system models to include various harmonic sources and electrical equipment and devices, preparing required data for modeling and studies, validating model and data, selecting study cases, and analyzing study results and outputs are discussed in detail in the standard. Common mitigation solutions for harmonic issues are presented and discussed. Features of computer aided tools that are used to perform harmonic-analysis study are reviewed. The new standard references to the latest IEEE Std. 519–2014 “Recommended Practices and Requirements for Harmonic Control in Electrical Power Systems” for harmonic restrictions at PCC, and modeling and limits to interharmonics. Several examples are provided to demonstrate harmonic issues and illustrate analysis process through studies for mitigations. The authors of this paper are the co-chairs of IEEE Std. 3002.8-2018 working group.","PeriodicalId":350508,"journal":{"name":"2021 IEEE/IAS 57th Industrial and Commercial Power Systems Technical Conference (I&CPS)","volume":"238 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133771079","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}
Pub Date : 2021-04-27DOI: 10.1109/ICPS51807.2021.9416614
Naman Dwivedi, Manish Mishra
Line current differential protection creates challenges for relay design and application. From a design perspective, the distributed nature of the line current differential system imposes limits on the differential current to enable the differential protection principle. From the application perspective, line current differential schemes are concerned with leakage current, charging current, intermediate faults, CT saturation. This paper reviews technical solutions to the line current differential design and application, addressing the common design constraints and distance driven application needs.
{"title":"Design Criteria for Line Differential Current Protection Scheme","authors":"Naman Dwivedi, Manish Mishra","doi":"10.1109/ICPS51807.2021.9416614","DOIUrl":"https://doi.org/10.1109/ICPS51807.2021.9416614","url":null,"abstract":"Line current differential protection creates challenges for relay design and application. From a design perspective, the distributed nature of the line current differential system imposes limits on the differential current to enable the differential protection principle. From the application perspective, line current differential schemes are concerned with leakage current, charging current, intermediate faults, CT saturation. This paper reviews technical solutions to the line current differential design and application, addressing the common design constraints and distance driven application needs.","PeriodicalId":350508,"journal":{"name":"2021 IEEE/IAS 57th Industrial and Commercial Power Systems Technical Conference (I&CPS)","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131011607","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}
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