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Using VLSI power system transient stability analysis of reconstructed emulator

Author: HouYao
Tutor: WangPing
School: Hohai University
Course: Control Theory and Control Engineering
Keywords: Transient Stability Analysis Programmable transconductance amplifier circuit Switched capacitor circuit Variable transconductance reconstruction method Frequency Reconstruction Act Analog VLSI
CLC: TM743
Type: Master's thesis
Year: 2005
Downloads: 48
Quote: 3
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Abstract


Today , the world increasing scale power systems , grid interconnection is very obvious advantages , but also has a potential threat. Local power grid disturbances , especially short-circuit fault , its impact will be felt in every corner of the interconnected power system , if not handled properly , and may even cause a large area blackout of a major accident. So the need for power grid simulation performance. The traditional method is to calculate the transient stability generator swing equations numerical integration , when the system becomes more and more large -scale , the speed of the computer will become a bottleneck, can not be used for real-time stability analysis . Power system dynamic simulation experiment simulation system capable of real-time transient simulation though , but because of its long life cycle modeling , covers and other reasons , it is only applicable to small-scale power system simulation. Simulation for the above-mentioned deficiencies , Fried proposes the use of VLSI (very large scale integrated circuit: VLSI ) technology to improve transient stability simulation speed . However, there are two important factors that hinder practical VLSI emulator , one of the deviation component parameters , will seriously affect the accuracy of the simulation results . Second, for the different practical system , the simulation system can not quickly reconstructed . In response to these problems , we propose a variable transconductance reconstruction method and frequency reconstruction method, these two methods can be based on different parameters of the system , capable of VLSI chips for rapid reconstruction, thereby effectively increasing the use of VLSI chips value . Using a switched capacitor circuit effectively improve the circuit components due to the deviation of the enormous error of simulation results .

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CLC: > Industrial Technology > Electrotechnical > Transmission and distribution engineering, power network and power system > Power system simulation and calculation > Modeling and Simulation
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