燃气-蒸汽联合循环机组静止变频启动矢量控制

Vector Control of Static Start-up for Gas-steam Turbine Combined Cycle Machine

首先介绍了燃气-蒸汽联合循环机组工作原理和静止变频启动原理,接着对燃机静止变频启动控制系统(load commutated inverter,LCI)进行了研究,提出了燃机静止变频启动控制方法,利用RTDS建立了燃机LCI控制系统模型,对所提控制算法进行了仿真验证,仿真得到了燃气轮机启动过程的转速曲线,以及不同启动阶段的电压电流和转矩曲线,模型算法和仿真结果对深入研究燃机的变频启动有重要参考价值。

The principle of working and static start-up of gas-steam turbine combined cycle machine was introduced, following research the static frequency converter control system LCI of gas turbine machine,put forward the static start-up control strategy of gas turbine machine,make the gas turbine static frequency converter model on RTDS and validate the control algorithm, obtain curves of speed, voltage, current and torque during different start-up stage. The modeling algorithm and simulation results have important reference for deeply research on static start-up of gas turbine station.