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For anyone who has pondered the vastness of our universe,the rich variety of our planet and the endlessly fascinating world of knowledge that surrounds us,National Geography presents this timely volume,now fully updated and expanded.Exploring a full spectrum of topics ,from the universe to climate and weather,from the human world to science and technology,this meticulously written and extravagantly illustrated book is the ultimate family reference.
Electrical power systems
Electrical power system together with Generation, Distribution and utilization of Electrical Energy by the same author covers almost six to seven courses offered by various universities under Electrical and Electronics Engineering curriculum. Also, this combination has proved highly successful for writing competitive examinations viz. UPSC, NTPC, National Power Grid, NHPC, etc. In a clear and systematic manner, this book presents an exhaustive exposition of the various dimensions of electrical power systems. Both basic and advanced topics have been thoroughly explained and illustrated through solved examples. Salient Features Fundamentals of power systems, line constant calculations and performance of overhead lines have been discussed. Mechanical design of lines, HVDC lines, Corona, Insulators and Insulated cables have been explained. Voltage control, Neutral grounding and Transients in power systems explained. Fault calculation, protective relays including digital relays and circuit breakers discussed in that order. Power systems synchronous stability and voltage stability explained. Insulation coordination and overvoltage protection explained. Modern topics like Load flows, Economic load dispatch, Load frequency control and compensation in power system nicely developed and explained using Flow Charts wherever required. Z bus formulation, power transformers and synchronous machines as power system elements highlighted. Large number of solved examples, practice problems and multiple choice questions included. Answers to problems and multiple choice ques
Reading books
Who Is Geronimo Stilton? That's me! I run a newspaper, but my true passion is writing tales of adventure. Here on Mouse Island, my books are all best-sellers! What's that? You've never read one? Well, my books are full of fun. They are whisker-licking good stories, and that's a promise!This Geronimo Stilton Collection includes 38 books of Geronimo's greatest adventures!!#01: The Lost Treasure of the Emerald Eye#02: The Curse of the Cheese Pyramid#03: Cat and Mouse in a Haunted House#04: I'm Too Fond of My Fur#05: Four Mice Deep in the Jungle#06: Paws Off, Cheddarface!#07: Red Pizzas for Blue Count#08: Attack of the Cat Bandits#09: A Fabumouse Vaction for Geronimo#10: All Because of a Cup of Coffee#11: It's Halloween, You 'Fraidy Mouse!#12: Merry Christmas, Geronimo!#13: The Phantom of the Subway#14: The Temple of the Ruby Fire#15: The Mona Mousa Code#16: A Cheese Colored Camper#17: Watch Your Whiskers, Stilton!#18: Shipwreck on the Pirate Islands#19: My Name Is Stilton, Geronimo Stilton#20: Surf's Up Geronimo!#21: The Wild Wild West#22: The Secret of Cacklefur Castle#23: Valentine's Day Disaster#24: Field Trip to Niagara Falls#25: The Search for Sunken Treasure#26: The Mummy With No Name#27: Christmas Toy Factory#28: Wedding Crasher#29: Down and Out Down Under#30: The Mouse Island Marathon#31: The Mysterious Cheese Thief#32: Valley of the Giant Skeletons#33: Geronimo Stilton and the Gold Medal Mystery#34: Geronimo Stilton, Secret Agent #35: A Very Merry Christmas#36: Geronimo's Valentine#37: The Race Across America#38: A Fabumouse School Adventure
