燃气轮机调速系统建模与模型参数测试方法研究

对燃气轮机及其调速系统的电网稳定计算模型进行了研究.介绍了建立该模型的重要参数测试方法,主要包括执行机构开启和关闭时间常数测试、电液转换PID参数测试与校验、转速通道测量环节和发电机功率测量环节时间常数、以及燃气轮机模型参数等的测试与辨识,并针对这些参数的获取开展了相关试验.对现场试验和仿真结果进行了误差分析,验证了测试方法的正确性和实用性.所建立的模型和测试、辨识得到的模型参数满足电网稳定计算要求.

Study on Gas Turbine Governor System Modeling and Parameter Test Method

The power system stability calculation model of gas turbine and governor system is studied. Test methods for important parameters of the model are introduced, including Test methods for opening and closing time constants of the actuator, Test and verification methods for PID parameters of the electro-hydraulic conversion,Test and identification methods for time constants of the speed channel measurement unit and the generator power measurement unit and parameters of gas turbine model. Relevant field tests to get parameters above have been carried out, and errors between results of field tests and simulations have been analyzed, which verify the validity and practicability of proposed methods. The established models and their parameters identified can satisfied the requirement of power system stability calculation