Simulation of unit load frequency control for supercritical units

GU Junjie; CHEN Shunqing; SONG Xuemei

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Simulation of unit load frequency control for supercritical units

Thermal Power Generation Vol. 44, Issue 1, Pages: 13-18(2015)

更新时间：2025-09-28

- Simulation of unit load frequency control for supercritical units
- 作者机构：
  
  1. 华北电力大学能源动力与机械工程学院
  2. 神华河北国华沧东发电有限责任公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM621
- Published：2015
- 稿件说明：
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GU Junjie, CHEN Shunqing, SONG Xuemei. Simulation of unit load frequency control for supercritical units[J]. Thermal Power Generation, 2015, 44(1): 13-18.
DOI：

GU Junjie, CHEN Shunqing, SONG Xuemei. Simulation of unit load frequency control for supercritical units[J]. Thermal Power Generation, 2015, 44(1): 13-18. DOI：

摘要

为了反映、评估、改善当前国内超临界火电机组在不同负荷下参与电网调频的能力

根据集总参数法建立了超临界火电机组不同负荷下的数学模型

得到了超临界火电机组变负荷时的主要参数变化规律。据此

建立了适应超临界火电机组的控制系统模型

利用Matlab软件的Simulink组件进行了超临界火电机组在不同负荷下参与电网调频能力的仿真试验

验证了该超临界火电机组负荷-频率模型的有效性。结果表明

该模型可作为超临界火电机组在不同负荷下参与电网调频能力的评估及改善平台。

Abstract

In order to reflect

evaluate and improve the domestic supercritical unit's ability of participating in grid frequency regulation under different load conditions

the mathematical models of these supercritical thermal power units under different loadconditions were established

according to the lumped parameter method.Thus

the change rules of key parameters of these units under varying load conditions were obtained.On this basis

the control system models which are suitable for supercritical units were built.The frequency regulation dynamic simulation under different load conditions was carried out by using Simulink of the Matlab software

which demonstrated the effectiveness of the supercritical unit load frequency models.The results show that these models provide a platform which can improve and evaluate the unit's ability of participating in the grid frequency control under different load conditions.

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