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DIFFERENT PHILOSOPHY USED FOR 95% STATOR EARTH FAULT PROTECTION & IT’s SETTING CALCULATION
Abstract- Low voltage generators are solidly grounded or low resistance grounded, whereas HV generators are high resistance grounded, connected to earth via neutral grounding transformer to limit the stator earth fault current within 5 to 10 Amp. When single-phase earth fault occurs close to the generator neutral, the driving voltage will be low, and hence the value of fault current will also be extremely less. For faults in the last 5% of the winding from star point, the earth fault current is too low that it cannot be detected by protective relay and hence it is very difficult to detect stator earth fault through current based protection. Therefore single-phase earth fault of stator winding can be protected by using voltage-based protections either using Residual over voltage or Neutral voltage displacement protection function. There are different philosophies used for detecting earth fault in stator winding. In this paper we are showing earth fault setting calculation and its interlock.
Aashna
The Amazing poetry collection from Hunny Gupta, Author of "Ek Ehsaas". This is the second book written by Hunny Gupta. After Success of "Ek Ehsaas" and Appreciation from readers encouraged him to write this book. "Aashna-Chahat Dilo Ki" is Composed of Beautiful love Poems written from bottom of Heart. "Aashna means DEVOTED TO LOVE". This Book not just a collection of Hindi poems but a collection of deep emotions and feelings. The feelings of being in Love and Pain of Lovers. Books from Poetry category surely give you amazing reading experience. Read on!
Community Paediatrics
This title provides an introduction to child health in the community for those with some experience of clinical pediatrics and is an excellent text for self-directed learning and examination preparation. Its emphasis is on the social and educational significance of pediatric problems.
Advances in Engineering Materials
This book presents select proceedings of the International Conference on Future Learning Aspects of Mechanical Engineering (FLAME 2020). This book, in particular, focuses on characterizing materials using novel techniques. It covers a variety of advanced materials, viz. composites, coatings, nanomaterials, materials for fuel cells, biomaterials among others. The book also discusses advanced characterization techniques like X-ray photoelectron, UV spectroscopy, scanning electron, atomic power, transmission electron and laser confocal scanning fluorescence microscopy, and gel electrophoresis chromatography. This book gives the readers an insight into advanced material processes and characterizations with special emphasis on nanotechnology.
Manual of Paediatrics
This is a clinical manual providing succinct, evidence-based guidelines to the diagnosis and management of approximately 100 common paediatric problems, as well as additional material on examination of children, milestone checks, immunisations, etc. Each clinical problem is covered in 1-3 pages of text, and the treatment recommendations are supported by references to the best available guidelines, websites and other reference material. The book helps to bridge the gap between primary and secondary care, so that it is clear when and where to manage the ill child - when to refer for hospital care, and when to manage within the primary care setting. A succinct manual for the treatment of common paediatric problemsEach problem will be discussed according to a set templateTreatment recommendations will be backed up with evidence (references to the best available guidelines and sources)The book will help bridge the gap between primary and secondary care management of problems
The Best Christmas Present in the World
Billedbog. A forgotten letter in a secret drawer brings one night in the Great War vividly to life. Writing home from the front, a soldier has an incredible story to tell
Postcards from God
An anguished god surveys a world stricken by fundamentalism in these powerful poems by a writer whose cultural experience spans three countries: Pakistan, the country of her birth, and Britain and India, her countries of adoption. Her main themes are drawn from a life of transitions: childhood, exile, journeying, home, displacement, religious strife and terror, and latterly, grief. She is also an accomplished artist, and all her collections are illustrated with her drawings, which form an integral part of her books. Postcards from god was her first book from Bloodaxe. It combines two collections published separately in India, Purdah (1989) and Postcards from god (1994). In Purdah she memoria...
2017 International Conference on Infocom Technologies and Unmanned Systems (Trends and Future Directions) (ICTUS)
ICTUS 2017 aims to explore growing advancements in the fields of Information Communication and Unmanned Systems Technologies It will provide a common platform to leading scientists, academicians, researchers, government officials, practicing engineers, industry professionals and students to share their research experiences and views Participants are invited to submit their research papers and case studies in the field of Information Technologies, Telecommunication, Networking Technologies, Unmanned Systems and Aerospace Technology The Conference would be of immense benefit to Management, Researchers, Academicians, Industry and participants from Technical Institutes, R & D Organizations and students working in the field of IT
