Automatic Voltage Regulator Test of Three Gorges Right Bank Hydropower Station |
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| Affiliation: | Wu Tao1,Zhou Ji2,Pu Jun3,Su Weimin1,Xie Huan1,Huo Chengxiang3,Deng Xiaojun4,Yao Qian1, Yuan Yazhou4,Zhang Jianyun2 Wang Shaohua 1.North China Electric Power Research Institute Co.,Ltd. 2.National Electric Power Dispatching and Communication Centre 3.China Electric Power Research Institute 4.State Grid Electric Power Research Institute |
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| Abstract: | Based on real-time digital simulations(RTDS),a laboratory environment similar to the real-time operation situation of the Three Gorges Hydropower Station is established.Then,the causes for the power fluctuation of the second generator by errors in the rotor rotating speed calculation are found,and the tuning method of the speed related parameters are given.The damping and reverse tuning characteristics of power system stabilizers(PSSs)in the digital automatic voltage regulator(AVR)are compared and investigated in the frequency range of 0.18–1.1 Hz.The efficiency of the proposed tuning method for ensuring power system stability is verified by RTDS.Finally,field tests show the validity of the laboratory test results. |
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| Keywords: | power system stabilizers(PSS) angular speed oscillating reactance real-time digital simulation (RTDS) |
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