CAJ | 학술논문

励磁系统是提高电力系统运行稳定性，挖掘稳定储备和改善系统动态品质的有力手段。分析了励磁系统在电力系统稳定控制中的调节作用，研究了辨识的原理和线性模式分析法。利用小干扰稳定计算分析程序 PSD-SSAP，对重庆电网进行了小干扰稳定计算。通过对重庆电网主力机组进行励磁系统模型及参数的辨识研究，得到可抑制电网低频振荡的准确励磁模型。小干扰稳定计算结果表明：励磁系统的准确辨识，可抑制电网低频振荡，对电网的稳定性具有重要作用。
려자계통시제고전력계통운행은정성，알굴은정저비화개선계통동태품질적유력수단。분석료려자계통재전력계통은정공제중적조절작용，연구료변식적원리화선성모식분석법。이용소간우은정계산분석정서 PSD-SSAP，대중경전망진행료소간우은정계산。통과대중경전망주력궤조진행려자계통모형급삼수적변식연구，득도가억제전망저빈진탕적준학려자모형。소간우은정계산결과표명：려자계통적준학변식，가억제전망저빈진탕，대전망적은정성구유중요작용。
Excitation system is a powerful tool for improving the power system operation stability,mining re-serves and enhancing system stability dynamic quality.The regulation of excitation system in the power system stability control has been analyzed,the principle of identification and linear model analysis method have been studied.Carried on small signal stability calculation of Chongqing Grid via PSD-SSAP.Through the identifica-tion of excitation system models and parameters of the main power unit in Chongqing,getting accurate excita-tion models that suppress low frequency oscillation.Results show that accurate identification of suppression of excitation system will suppress low-frequency oscillations and play a key role in power system stability.