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EE587_ Ch7_Sp10 - EE 587 – Electric Power...

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Unformatted text preview: EE 587 – Electric Power Distribution/Utilization Dr. M. Safiuddin, Research Professor Department of Electrical Engineering University at Buffalo [ State University of New York ] EE 587 Electric Power Distribution/Utilization TEXT BOOK: ANSI/IEEE -Std. 141-1993 [ The Red Book]; Published by Institute of Electrical & Electronics Engineers, New York. Lecture Topics: 1. 2. 3. Introduction, System Planning & Design Course orientation, Overview, Definitions, Planning guide for the supply and distribution system [Ch 2] Voltage Considerations Voltage control, Voltage selection, Effects of voltage variations on low and medium voltage equipment, voltage quality considerations.[Ch. 3] System Protection I Sources of fault currents, Fundamentals of fault current calculations, Restraints of simplified calculations, Example case studies. [Ch. 4] EE 587_Sp '10 2/20/2010 1 EE 587 Electric Power Distribution/Utilization Lecture Topics (cont’d): 4. System Protection II Analysis of system behavior and protection needs, Protective devices and their applications, Protective relays, Breakers and fuses, Protection requirements for transformers, Feeders and motors.[ Ch. 5] Surge Protection I Nature of the problem, Traveling wave behavior, Insulation voltage withstand characteristics. Arrester characteristics and ratings, Arrester selection, Application concepts.[Ch. 6] Grounding Considerations Introduction, System grounding, Equipment grounding, Static and lightning protection grounding, Connection to earth, Ground resistance measurement. [Ch. 7] 5. 6. 2/20/2010 EE 587_Sp '10 EE 587 Electric Power Distribution/Utilization Lecture Topics (cont’d): System Power Factor Power factor fundamentals, Typical plant power factors, Reactive compensation techniques.[ Ch. 8] 8. Mid-term exam 9. Power System Pollution Non-linear loads, Voltage and current harmonics, Passive and active filtering techniques.[ Ch. 9] 10. System Interfaces I Switchgear and other equipment, Transformers, Unit substations, Motor control Centers.[ Ch. 10] 7. 2/20/2010 EE 587_Sp '10 2 EE 587 Electric Power Distribution/Utilization Lecture Topics (cont’d): 11. Energy Conservation & Management I Energy audits, case studies.[Ch.14] 12. System Interfaces II Industrial substations, Plant utility interface considerations.[Ch. 15] 13. Energy Conservation & Management II Elec. Energy issues, DC & AC machine efficiency & application considerations 2/20/2010 EE 587_Sp '10 Ch. 7 - Grounding !! " # " $ ! % ' () ( & & ( . ( ) ( & & * + , & 2/20/2010 EE 587_Sp '10 3 Ch. 7 - Grounding / ( ) % + 0 ( ) ( 1 % ( ( % ( & 2 2/20/2010 EE 587_Sp '10 7.2 - System grounding a. b. c. d. Ungrounded system Resistance-grounded systems Reactance-grounded systems Solidly grounded systems % . 1 % % 3 4 2/20/2010 EE 587_Sp '10 4 7.2 - System grounding 1 % , % ) % , %% 5 % 6 2/20/2010 EE 587_Sp '10 +*7 $/ 7.2 - System grounding % , 8 %, 9 % % % 6 % 2/20/2010 EE 587_Sp '10 5 & $ 2/20/2010 EE 587_Sp '10 $ 6 $ & 2/20/2010 EE 587_Sp '10 6 $ 6 : & 2/20/2010 EE 587_Sp '10 Recommended practice & , ; -3; < : + & ;8 "! " 4 "7 ! < "= "! 6 ! 7 <! = "> " 6 7 >! = "< 6 & 7= "6 7 >! = "< 6 2 "= "6 2/20/2010 6 6 6 < 6 6 6 EE 587_Sp '10 ? 7 Ungrounded systems /" % "" 7" % "" /" "% " *7 "= " ' 3 4 ? " =A !" 2= "6 6 ? B "= 2" 6 6 ? !" "= ! "= *! "= "6 6 " 6 8 @ 2/20/2010 EE 587_Sp '10 ' C% % < % *7 /# : 5 + +& + !! " " 6 * %% D + $ 0 , , @ , % EE 587_Sp '10 2/20/2010 8 Resistance grounded systems % % E E 0 & E %% 2/20/2010 EE 587_Sp '10 /= // /= % % ) ; 3 1 @ // 4 @ ) + & F% % 2/20/2010 EE 587_Sp '10 % , % 9 Resistance grounded systems ) $ % % " " %/= /= % " " 0% % H 6 % % ; G 2/20/2010 EE 587_Sp '10 Reactance-grounded systems ) %% - %% !D / % ; G C % H%% % 2/20/2010 EE 587_Sp '10 10 Solidly grounded systems % E , + 0 8 % 2/20/2010 EE 587_Sp '10 %% % % Solidly grounded systems . % % E 37 = " 4 , "" " ;+# % 2 "= " 2/20/2010 EE 587_Sp '10 11 2/20/2010 EE 587_Sp '10 2/20/2010 EE 587_Sp '10 12 2/20/2010 EE 587_Sp '10 2/20/2010 EE 587_Sp '10 13 2/20/2010 EE 587_Sp '10 2/20/2010 EE 587_Sp '10 14 2/20/2010 EE 587_Sp '10 2/20/2010 EE 587_Sp '10 15 ...
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