9F级燃气蒸汽联合循环机组参与电网自动发电控制的思考

介绍了燃气蒸汽联合循环机组的负荷控制特点及自动发电控制（AGC）的控制策略,以及机组在变负荷率下的AGC试验（包括AGC试投、升负荷、降负荷）。还介绍了燃气蒸汽联合循环机组参与电网AGC调节时存在的问题及改进设想。如燃气蒸汽联合循环机组投入AGC后,AGC负荷上限值要根据机组实际运行情况进行不断修正,才能真实反应机组运行的负荷上限。为了避免设置燃机最高可调负荷的盲目性和频繁性,确保大型燃气蒸汽联合循环机组经常处在效率高的“基本负荷”模式下运行发电,建议由省级电力调度交易中心通过RTU装置直接将基本负荷指令送到具体的燃气机组：同时分析燃气蒸汽联合循环机组在各种负荷控制模式下的一次调频特性。

Thinkings on the Participation of 9F Gas-steam Combined Cycle Unit in the AGC of Power Grid

The paper briefs the load control features and control tactics of automatic generation control(AGC)of gas-steam combined cycle unit,as well as the AGC tests of unit under the variable load conditions,the problems existing after the unit participates in the AGC regulation of power grid and improvement assumptions.For example,after the AGC of gas-steam combined cycle unit is put into operation,it is necessary to constantly amend the upper load limits of AGC according to the actual operation conditions,thus to really reflect the upper load limits of unit.In order to avoid setting the upper load limits frequently and blindly,to ensure that large size gas- steam combined cycle units are in high efficient"base load"mode operation,it is proposed the provincial-level dispatlhing-trading centers directly send base load command to the gas units through RTU,and meanwhile analyze the primary frequency regulation characteristics of the gas units in varieties of load control modes.