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Research on Subsynchronous Resonance Supression by Supplementary Excitation Damping Control

Author: KangJun
Tutor: GuXuePing´╝ŤGuoXiJiu
School: North China Electric Power University
Course: Electrical Engineering
Keywords: Subsynchronous resonance Supplementary Excitation Damping Genetic - Simulated Annealing
CLC: TM311
Type: Master's thesis
Year: 2011
Downloads: 69
Quote: 0
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Abstract


On the basis of this article in the in-depth and detailed analysis of the the turbogenerator torsional vibration phenomenon of induced causes, characteristics and common disincentive , a method based on the inhibition of additional excitation damping subsynchronous resonance . And design supplementary excitation damping controller , using the the GASA algorithm for additional excitation damping controller parameter tuning and optimization . Makes additional excitation damping controller designed in different operating conditions of sub-synchronous resonance have good inhibition effect . The equivalent network sent by two of the four planes line on both the power plant engineering , generator sets to model the time-domain simulation of several typical conditions , the results show that this paper based on the SEDC the inhibition times synchronous resonance the principle of the method is correct and can play a good inhibitory effect on SSR . SEDC conditions on both the power plant unit grid , series compensation vote back , no fault lines disconnected field trials , a detailed comparison of the torsional vibration signal SEDC investment and exit the terminal voltage , excitation current trend . The combination of both power plants sub-synchronous resonance detailed analysis of protection the device tripping recorded wave verify the SEDC sub-synchronous resonance suppression effect . SEDC suppression SSR method has certain reference significance for other long-distance series compensated transmission .

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CLC: > Industrial Technology > Electrotechnical > Motor > Generators, large the generator group ( Zonglun,) > Turbine Generator
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