Digital Commons Network^™

Provincial Evaluation And Cluster Analysis Of Environments For Gas Distributed Energy System Development In China, Zhenyu Zhao, Huinan Ye, Mengru Geng

Journal of Electric Power Science and Technology

The gas distributed energy system (GDES) is becoming a new and important field of clean energy utilization. Considering different environmental characteristics according to local conditions is an important premise for the orderly promotion and healthy development of GDES. It is necessary to establish a systematic and scientific index system to evaluate and compare GDES in different regions. This paper identified the influencing factors of GDES developments through a literature review. Total 16 quantifiable indicators were concluded from 4 aspects involving resource conditions, energy environments, economic environments, and social environments. An evaluation index system of regional GDES development environments is established. …

Study On Regionaloptimization Control Method Of Reactive Power & Voltage For The Grid In Mountainous Areawithout State Estimation, Jinbo Wu, Xingrong Song, Quan Hong, Shangfeng Xiong, Li Li, Zhenwen Li, Zhihao Liu, Peiyuan Xie

Journal of Electric Power Science and Technology

Many wind and hydropower stations are connected to the grid in mountainous areas, which brings excellent reactive power resources to the grid in the mountainous areas. The traditional regional optimization control method of Automatic Voltage Control (AVC) relies on state estimation data. The state estimation data of the grid in the mountainous area cannot frequently meet the real-time control requirements. The traditional AVC regional optimization control method can not be implemented generally in the grid in the mountainous area. Moreover, these wind and hydropower reactive power resources can not play an effective role. As a result, the voltage control of …

Research And Design Of Active Integrated Sensor System With Wide Dynamic Range, Wencheng Xin, Senjing Yao, Haomin Chen, Yu Xi, Fan Zhang, Bang Ao, Chen Shen, Xiaoqing Lin, Feng Wang

Journal of Electric Power Science and Technology

To solve the problem of few PD defects detected by narrowband acquisition, it is necessary to study the active integrated sensor system with wide dynamic range. In this paper, according to the attenuation analysis of local electromagnetic propagation in GIS under coaxial waveguide model and HFSS simulation, it is found that a dynamic range of at least 40 dB is required for the effective detection of PD signal in long GIS. Secondly, through comparative analysis, the dynamic range of the system can be increased by logarithmic domain transformation, and the butterfly antenna with the optimized size is selected as the …

Research On Mirror Image Control Technology Of Project Configuration In The Intelligent Substation, Xiaobo Li, Wei Xi, Ke Zhou, Xiaoming Wang

Journal of Electric Power Science and Technology

The project configuration file in the intelligent substation has multi versions in multi-terminal applications and it brings problems that the archive configuration file might be different with that running set in the on-site intelligent substation. It has negative impacts on the power system operation since a lot of time is necessary for the revision of file setting. On the background, a mirror image management and control technology for smart substation engineering configuration is proposed in this paper. Firstly, a mirror management and control system for smart substation project configuration is designed and it is suitable for multi-terminal applications. And then, …

Research On Verification Method About The Safety Of Grounding Wire In, Weida Huang, Tianyou Li, Songxi Liu, Chaoyi Huang, Hong Chen, Wei Cai

Journal of Electric Power Science and Technology

The transition from passive power distribution network to active power distribution leads to the change of network structure, which results in the significant increase of risk in operation and maintenance work. This paper proposes a verification method about the safety of grounding wire in medium-voltage active distribution network based on Ondendonks formula. Considering the situation that the staff in the medium voltage side for maintenance, the distributed generators are divided into two types, which are rotating machine-based generator and inverter-based generator. On this basis, the short-circuit current generated at the grounding device due to mis-operation and device reasons is calculated …

Accurate Fault Location Considering The Influence Of Transmission Line Span And Sag, Feng Dai, Zhenyao Liu, Xuan Chen, Yubin Kang, Rong Guo, Wei Xie

Journal of Electric Power Science and Technology

Travelling-wave location method which can locate transmission faults precisely is widely used in transmission networks. However, only the electrical distance is given generally during practical applications. If the influence of span and sag is not taken into account, notable deviation between the calculation result and the actual fault location especially in long-distance transmission line will impact. In complex terrain areas, this misjudgment of fault locations will greatly affect the efficiency of inspection and overhaul. To handle this, an accurate fault location method considering the influence of span and sag is proposed in this paper. Firstly, the Haversine formula is used …

Cable Failure Rate Estimation Based On Neural Network And Temperature Characteristic Curve, Ninghui He, Xiu Zhou, Bo Ma, Weiyan Sha, Wei Wang, Yan Luo

Journal of Electric Power Science and Technology

The thermal effect of current is the main cause of cable service life and aging failure. It is very important to establish the cable temperature characteristic model. Power enterprises should be able to correctly estimate the related aging failure rate of distribution network cables. However, the existing cable failure rate estimations are calculated at the rated temperature and do not take into account the effect of actual operating temperature changes. Therefore, a method based on artificial neural network is used to estimate the maximum temperature of the cable. This temperature variation is in good agreement with the daily load curve …

Research On Sharing Platform Of Ev Charging Piles Based On Block Chain, Menglin Tao, Zhijie Wang, Xiaolin Fu, Hong Wang

Journal of Electric Power Science and Technology

In order to solve the problem that the number of charging piles is insufficient and the platforms of each charging pile operator are independent, a strategy of sharing platform of EV charging piles based on block chain is proposed in this paper. Firstly, the feasibility of building platform with block chain is anaylzed, then the electric vehicle charging pile sharing platform is established on the basis of block chain and the workflow of the trading platform and user utility function is designed. Secondly, a three-layer charging pile strategy is constructed to find the optimal charging pile for EV users by …

The Overall Energy Storage Configuration Of Wind Farms Considering The Service Life Of Electric Energy Storage, Haifeng Yu, Jingjie Huang, Shiyao Jiang, Yuhua Zhou, Haijun Liu, Jing He, Hongming Yang

Journal of Electric Power Science and Technology

Deploying energy storage is an effective way to solve the problem of negative peak regulation and random fluctuation of wind power output. The impact of the actual service life of energy storage on the cost of energy storage and the integration of the day-day and day-day scheduling demands of wind power grid connection are seldom taken into account into the energy storage configuration of wind farms. This paper establishes the actual service life annual value model with the consideration of the characteristics of the service life loss of electric energy storage to. According to the scheduling demand characteristics of wind …

Research On Energy Management Strategyimprovement Of Dual Source Pure Electric Vehicle, Qiang Tang, Ci Tang, Yunlong Zeng, Yong Wang

Journal of Electric Power Science and Technology

Driving intention is an important factor affecting the energy distribution of hybrid energy vehicles. Considering that the low-frequency part of the demanded power has less impact, which can be borne by the battery first, and the high-frequency part has more impact, which can be borne by the supercapacitor first. A hybrid electric vehicle power distribution control method based on driving intention recognition is proposed, which increases the consideration of the "human" factor based on of only considering the "vehicle" factor in the traditional control strategy. Compared with the traditional control strategy, the battery's output current in the proposed strategy is …

Security Authentication Scheme For Power Terminals Based On The Sm9 Threshold Signature, Yuan La, Jiguang Zhao, Wei Zhang

Journal of Electric Power Science and Technology

Considering the security authentication requirements due to the massive power terminals in the smart grid scenario, the problem of safe and convenient storage and use of keys in power terminals is studied, and a power terminal security authentication scheme is proposed based on SM9 threshold signature.First of all, the certificateless identity-based cryptographic technology is applied to the power terminal and it can solve the defect that certificate management in the original PKI protection system is relatively complex. Then, the threshold cryptography is introduced to improve the standard SM9 digital signature algorithm.The SM9 private key is split and then stored separately.When …

Design Of Wearable Equipment For Intelligent Security Monitoring In Substations, Zewen Li, Zhigang Wang, Lizhi Mu, Weixin Peng, Liutao Liang

Journal of Electric Power Science and Technology

As the intelligent of substation is continuously improved, the power equipment is updated fast. The security risk of substation maintenance is gradually increasing. Under the background, a smart bracelet for the maintenance work of substations is designed to reduce the security risk in the maintenance work. The main functions of bracelet are heart rate monitoring, exercise detection and near-electricity alarm. Firstly, the overall function of the wearable bracelet is designed and involved key technologies are briefly summarized. Then, the chip selection, debugging and software flow design of the key functional modules such as the main control chip of the bracelet, …

Detection Of Illegal Cannabis Cultivation Based On Residential Electricity Usage Behavior Analysis, Yuanjun Mao, Chaoqiang Chen, Yifei Shu, Aiguo Liu, Sheng Su

Journal of Electric Power Science and Technology

Influenced by the cannabis legalization of USA and EU, the illegal indoor cannabis cultivation got popular in China in recent years. Since indoor cultivation of cannabis has a large number of electricity consumption with distinct feature of electricity usage, A dectecting methed based on the relative entropy of the frequency distribution of electricity usage is developed to identify abnormal users in this paper. Firstly, the electricity usage data of indoor cultivate cannabis is generated from the laboratary simulation. Then, the electricity usage feature difference between the indoor cultivation of cannabis users and the normal residential users are compared in terms …

Annual Campus Security And Fire Safety Report Is Online, Haley Herfurth

Browse All News

No abstract provided.

Sterile Setup Table In The Operating Room Is Not So Sterile, Farideh Najafi, Diana Fernández-Rodríguez, Javad Parvizi

Department of Orthopaedic Surgery Faculty Papers

BACKGROUND: One of the important factors for surgical site infection prevention is the implementation of an ultraclean operating room. This study was designed to evaluate back-table sterility during total joint arthroplasty.

METHODS: This prospective study includes 52 patients undergoing primary total joint arthroplasty between November 2021 and January 2022. A total of 4 swabs (2 air swabs and 2 table swabs) were obtained for each case, at the conclusion of surgery and prior to the takedown of drapes. One swab from each set was sent for culture, and the other was sent for next-generation sequencing (NGS) analysis.

RESULTS: Among 104 …

Chronic Illness Education 2022: Reducing Modifiable Risk Factors For Cardiovascular Disease, David Asebiode, Francis Lauzier, Jonathan Lutchka, Megan Rasaiah, Min Yi Wu, Sanjana Rao

Patient Education Projects

No abstract provided.

Taylor Lynn Scott, Respondent / Appellee V. Sarah Catherine Benson, Appellant / Petitoner : Reply Brief, Utah Supreme Court

Utah Supreme Court Briefs (2021– )

On Writ of Certiorari to the Utah Court of Appeals On appeal from the Third Judicial District Court, Honorable Richard McKelvie, District Court No. 194903038

Jeffrey C. Jensen, Attorney for Appellee Taylor Lynn Scott

Julie J. Nelson, Alexandra Mareschal, Attorneys for Appellant Sarah Catherine Benson

Cancer As A Channelopathy—Appreciation Of Complimentary Pathways Provides A Different Perspective For Developing Treatments, Harry J. [email protected] Gould, Dennis Paul

School of Medicine Faculty Publications

Life depends upon the ability of cells to evaluate and adapt to a constantly changing environment and to maintain internal stability to allow essential biochemical reactions to occur. Ions and ion channels play a crucial role in this process and are essential for survival. Alterations in the expression of the transmembrane proteins responsible for maintaining ion balance that occur as a result of mutations in the genetic code or in response to iatrogenically induced changes in the extracellular environment is a characteristic feature of oncogenesis and identifies cancer as one of a constellation of diseases known as channelopathies. The classification …

Kenyon Collegiate - September 23, 2022

Kenyon Collegiate

No abstract provided.

Staff Council Meeting Minutes, Georgia Southern University

Staff Council Meeting Minutes & Agendas

• Staff Council:
• Presidential Updates & Comments | Updates from Dr. Kyle Marrero are as Follows
• Human Resources | Updates from Mandy Maynard
• Office of Inclusive Excellence | Updates from Jazzkia Jones
• Treasurer Report | Updates from Andrew Durden, Treasurer
• Committee Reports

Family Weekend Concert, Department Of Music, University Of Richmond

Music Department Concert Programs

No abstract provided.

Whose Poverty Is It? An Autoethnography, Corinne Brion

Educational Leadership Faculty Publications

When I first met my husband, he told me, “I have nothing material, I do not have money or many possessions.” When he meant he had nothing, he literally meant it, no savings, no house, no bank account, no retirement plans, and a job that hardly paid for one meal a day. His most precious possessions were a bicycle and the toolbox he used as a mechanic. He lived with his mom, sister and two nieces in a one-bedroom self-contained unit they rented. There was no bathroom, no toilet, no kitchen, no personal space, no decoration, and no furniture. It …

International Engagement, September 23, 2022, University Of Northern Iowa. Office Of International Engagement.

Office of International Engagement newsletter

Inside this Issue:

--- Gammon Brazilian Students at UNI CIEP
--- Intercultural Exchange Class with Brazilian and Domestic Students at CIEP
--- Brazilian Students Experience Iowan Hospitality with the Bairs Family in Hudson
--- More New Panthers at International Engagement
--- Happening this Week
--- Observatory Show
--- Get Groovy with OIE this Homecoming Week
--- Announcements
--- CIEP Partners with Career Services to Help You Prepare for the World of Work
--- International Playlist
--- The Art of C.H.A.N.G.E.
--- Don't Forget International Engagement Office Coffee Hour

Deliberations Before Running Another Wikipedia Editing Assignment, Laurel Smith Stvan

Linguistics & TESOL Faculty Publications & Presentations - Archive

In assessing a popular Open Educational Resource that instructs and is shaped by students, I weigh the costs for both instructors and students in using classroom Wikipedia editing assignments. Based on experiences from before and during the Covid era, I assess the ROI in instructor time and attention, reviewing what has worked best or been a struggle for editing projects aimed at expanding linguistics stubs. Successfully launching these engaged learning tasks encompasses two areas: filling Wikipedia content gaps and building student skills. Content gap concerns include finding relevant page topics for students to work with; recognizing constraints on biography pages …

Settling Insurers' Brief In Support Of Motion Approving Settlement

Catholic Dioceses in Bankruptcy

No abstract provided.

Debtor's Brief In Support Of 8th Plan

Catholic Dioceses in Bankruptcy

No abstract provided.

Chronic Illness Education 2022: Heart Health: It Starts Now, Heba Osman, Alejandro Ponce Sepulveda, Doo Hee Kim, Enoch Kim, Lauren Larson, Sadie Knill, Shagane Kotcharian

Patient Education Projects

No abstract provided.

Chronic Illness Education 2022: Increasing Awareness Of Cardiovascular Disease In Older Adult Women, Dhruvil Patel, Anthony Grayson, Joel Drazin, Matthew Kim, Mikaela Grudzien, Rachel Feldstein, Sara Kazyak

Patient Education Projects

No abstract provided.

Chronic Illness Education 2022: Improving Dietary Habits Among Undergraduate Students To Combat Anxiety/Depression, Aditi Kappagantu, Adrienne-Denise Bilbao, Alexander Buendia, Anuj Kavi, Lana Zalt, Mark Gregory, Rachel Puentes

Patient Education Projects

No abstract provided.

Chronic Illness Education 2022: Obesity Awareness In Adults, Tyler Mumm, Daniel Kim, Jacob Katzman, Liana De La Torre, Mariam Samir, Parker Marsh, Pragathi Pathanjeli

Patient Education Projects

No abstract provided.