Shaswat Chirantan, Ramakanta Jena, S. Swain, P. C. Panda
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引用次数: 0
摘要
电力系统的稳定性困境反映了发电机机电振荡和转子角度摆动对电网的影响。电力系统稳定器(PSS)是一种用于抑制发电机机电振荡和转子角度摆动的励磁控制器。但在严重的故障情况下，PSS不能单独抑制振荡，例如在LLL-G故障情况下。为了通过阻尼发电机的振动和转子的角度摆动来保证系统的稳定，FACTS控制器(Flexible AC Transmission system)和PSS在电力系统中得到了广泛的应用。本文研究了具有PSS(通用型和多频带型)和SVC(静态无功补偿器)的双机长传动系统的暂态稳定性问题，SVC是一种基于并联的L-G故障和ll - g故障FACTS控制器。所有的性能分析都通过MATLAB仿真完成。
Transient Stability Analysis of a Two Machine Long Transmission System with Power System Stabilizer & Static Var Compensator
Power system stability dilemma demonstrates the effect of generator electro-mechanical oscillations & rotor angle swings on electrical grids.Power System Stabilizers(PSS) is an excitation controller used to damp out the generator electromechanical oscillations & rotor angle swings.But in severe faulted condition PSS cannot damped out the oscillations alone such as in case of a LLL-G fault.So in order to make the system stable by damping generator oscillations & rotor angle swings FACTS controllers(Flexible AC Transmission System) along with PSS are used cumulatively in power system.In this paper,transient stability studies of a two machine long transmission system with PSS(both generic & multi-band type) & SVC(Static Var Compensator) a shunt based FACTS controller for L-G fault & LLL-G fault have been investigated.All the performance analysis have been undergone using MATLAB simulation.
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