CAJ | 학술논문

为了弥补国内对燃气-蒸汽联合循环电厂(Combined Cycle Power Plant, CCPP)中机组动态模型研究的不足,解决常用的电力系统仿真软件不提供CCPP仿真模型的问题,针对国内9F级重型CCPP机组所具有的不补燃余热锅炉、单轴型结构、滑压运行等特点,研究并建立了CCPP机组的实时数字仿真模型.首先在Matlab/Simulink环境下建立了非实时数字仿真模型,然后将其转换为C语言代码,并利用CBuilder工具将其封装为可以实时运行的仿真模型.最后,在RTDS上对模型进行了仿真测试,并与现场实测结果进行了对比验证.仿真结果表明,所建立的CCPP机组模型在计算效率和模型精确性等方面均能满足电力系统的实时仿真要求.
위료미보국내대연기-증기연합순배전엄(Combined Cycle Power Plant, CCPP)중궤조동태모형연구적불족,해결상용적전력계통방진연건불제공CCPP방진모형적문제,침대국내9F급중형CCPP궤조소구유적불보연여열과로、단축형결구、활압운행등특점,연구병건립료CCPP궤조적실시수자방진모형.수선재Matlab/Simulink배경하건립료비실시수자방진모형,연후장기전환위C어언대마,병이용CBuilder공구장기봉장위가이실시운행적방진모형.최후,재RTDS상대모형진행료방진측시,병여현장실측결과진행료대비험증.방진결과표명,소건립적CCPP궤조모형재계산효솔화모형정학성등방면균능만족전력계통적실시방진요구.
At present, there is very limited research on dynamic modeling of gas-steam combined cycle power plant (CCPP) units domestically, and the commonly used power system simulation software still lack CCPP models, to build a CCPP units model based on the characteristics of the domestic 9F heavy duty CCPP units with unfired heat recovery steam generator, single shaft and sliding pressure control, a real time digital simulation model of CCPP units is established. Firstly a non-real-time digital simulation model is established in the Matlab/Simulink environment, and then the model is converted into C language code. Secondly by using CBuilder, C language code is encapsulated in a simulation model which can run in real time. Finally the model is tested on Real Time Digital Simulator (RTDS), and verified with the field test results, which demonstrates that the developed CCPP model can meet the real time simulation requirements of power system in terms of computation efficiency and model accuracy. This work is supported by the National Science and Technology Supporting Plan (No. 2013BAA01B04).