COMPENDIUM OF ARTICLES ON EHV S/S AND PROTECTIONS FOR BUDDING & PRACTICING ENGINEERS OF TRANSMISSION UTILITIES

KK Murty's national & International journals are compiled in this book. ll my Articles published in the national & International journals are compiled in this book. This book is (1) fully coloured version(2) size :8'5"x11"(3)No. of pages:612(on art Glow paper. It contains 3 sections viz (1) EHV S/S & S/S Equipment (2) Exclusively for EHV transformers & Reactors (3) Relays & Protections. Salient features of my book. My book contains 3 – Sections as mentioned here under; Section wise salient points covered; 1) EHV Sub Stations; Bus-bar configuration, EHV equipment viz; LAs- selection criteria, Isolators, Circuit breakers, GIS(Gas Insulated Substation), CVTs play a dual role in Grid network, Transient free back to back closing of capacitor banks using “Control Switching Device” VRLA Batteries an over view, Innovative use of Auxiliary Bus (Transfers bus) to make available 220kV supply to a needy S/S, Synchronizing without Synchroscope by an innovative idea of drawing vector diagrams of incoming feeder & running bus Secondary voltages. 2) Transformers; Transformers & reactor an over view, Pre-delivery Inspection of Power Transformer at manufacturers works, KYT(Know Your Transformer) Article on SFRA ,In house extension of bushing turret for accommodating 300 mm long tail end bushing, In house repair of OLTC of 160 MVA TELK Transformer, Retrofitting of TELK 420kV draw-rod type bushing in place of a BHEL’s draw-lead type bushing, Assessment of remnant life of old transformers on % solubility of moisture in oil methodology, OIP bushings-concept to condition monitoring, Life cycle of Transformers etc. 3) Protection & relays; Device nos. as per ANSI, Concept of reading electrical drawing, Concept of Time current Grading, Numerical O/C & E/F Relay, Need for Directional relay, Differential relay for Power transformers part 1(with conventional method & Part-2(With Numerical Differential Relay), REF protection- a complementary Protection to Differential Protection, Line Differential Protection, Concept & characteristics of Distance protection relays and setting philosophy. Carrier aided Auto-reclose operation, Bus-Bar protection, CTs- Concept, Characteristic and Constraints-A guide for budding Engineers, en masse’ tripping of 35 nos. EHV Transformers in Buchholz relay operation due to earth quake (seismic condition) and normalization thereof. LBB in conjunction with “GOOSE communication system “in IEC 61850 protocol.