华中-川渝联网稳定计算用发电机励磁和调速系统的数学模型及参数

Research on Mathematical Models and Parameters of Generator Excitation System and Governor System for Stability Analysis of Interconnection of Central China Power Grid with Sichuan-Chongqing Power Grid

现场调查了华中、川渝系统典型的200MW及以上汽轮发电机、100MW及以上水轮发电机励磁系统模型及参数、调速系统(包括原动机)模型及参数;总结了现场进行发电机励磁系统参数测试的经验;根据现场实测结果和调查结果确定发电机励磁控制系统、调速系统可用于电力系统稳定计算的数学模型及参数;提出了评判、校核基于现场测试得出的数学模型和参数正确性的方法,并将其应用到指导生产的仿真计算之中取得了一定的成果。

On-site investigation and testing of excitation system models and governor （including prime mover） system models of typical turbo-generators, whose rated capacities are 200MW and higher, and water turbo-generators, whose rated capacities are 100MW and higher, in Central China Power Grid and Sichuan-Chongqing Power Grid and parameters of these models are carried out. The experiences of on-site testing of parameters of generator excitation system are summarized. According to the results of on-site investigation and testing the mathematical models of generator excitation system and governor system as well as the model parameters, which can be adopted in power grid stability analysis, are determined. The methods to judge and verify the correctness of both mathematical models and parameters obtained by on-site testing are proposed, so that the correctness of both models and parameters can be ensured. In order to guide real production, these models and parameters are utilized in daily dynamic security analysis and some achievements are gained.