提出以电功率微分为输入信号的电力系统稳定器，简化了稳定器结构。
On the basis of theoretical analysis, this paper proposes a new kind of power system stabilizer with the differential of electric power as input signal, which simplifies the structure of PSS.
传统的电力系统稳定器(PSS)采用本地机组信号，不能有效提高系统阻尼。
Conventional power system stabilizer (PSS) adopting local generator signals is not sufficiently effective to enhance the damping of the system.
仿真结果表明所设计的模糊电力系统稳定器比传统的电力系统稳定器能更有效地抑制系统低频振荡。
The simulation results indicate that the designed fuzzy power system stabilizer is better than the conventional fuzzy power system stabilizer in suppressing the low-frequency system swing.
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