Transients in Power Systems
Transients in Power Systems ECE 524
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This 4 page Class Notes was uploaded by Fredy Okuneva on Thursday October 22, 2015. The Class Notes belongs to ECE 524 at University of Idaho taught by Brian Johnson in Fall. Since its upload, it has received 27 views. For similar materials see /class/227723/ece-524-university-of-idaho in ELECTRICAL AND COMPUTER ENGINEERING at University of Idaho.
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Date Created: 10/22/15
I 39OU NOISSEJS SIAIELLSAS HEIMOd NI SiNEIISNVELL 17ZS EDEI osmvt vb hgmcn i What Are Electroma netic mm U g I Transients Lec turel Power systems normally in steadystate Or Quasisteady state 0 Allows use of RMS phasors Switchinoperations faults lightning 0 Respons frequencies from DC to MHz 0 Response generally dies out rapidly 0 Large voltage and currents are possible 0 RLC resonse to change in volt or current Introduction 1 Spring 2008 l ECE524 I Analyzing Transients Lemuel 0 Understand the transient you want to model on G d t form detailed models ematic model of the system 0 Solve coupled differential equations Hand calculations in the LaPlace domain Hand calculations in the time domain ime domain numerical simulation Frequency domain simulation Introduction 2 Spring 2008 ECE524 I Circuit Simu ation Lecture 0 Output often as waveforms 0 Often want peak values of vt and lt Transient Network Analyzer TNA Predates use of digital computers Analog computer model Hybrid digital controls Realtime digital simulators Expensive Closed loop testing of control hardware Introduction 3 Spring 2008 U ECE524 I Time Domain Simulation Lecturez 0 Digital computer simulation of transients 0 General purpose equation solvers MATLAB MathCAD 0 Analog electronic and integrated circuits SPICE Saber 0 Not really designed for power system transients Introduction 4 Spring 2008