Primary frequency regulation characteristics of double-reheat units

CHU Mo; GAO Lin; KONG Yuan; REN Yongjun; YANG Boyi; SU Yongning

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Primary frequency regulation characteristics of double-reheat units

Thermal Power Generation Issue 7, (2017)

更新时间：2025-09-28

- Primary frequency regulation characteristics of double-reheat units
- 作者机构：
  
  1. 华能莱芜发电有限公司,山东,莱芜,271100
  2. 西安热工研究院有限公司,陕西,西安,710054
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM611
- Published Online：02 August 2017，
  
  Published：2017
- 稿件说明：
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CHU Mo, GAO Lin, KONG Yuan, et al. Primary frequency regulation characteristics of double-reheat units[J]. Thermal Power Generation, 2017, (7).
DOI：

CHU Mo, GAO Lin, KONG Yuan, et al. Primary frequency regulation characteristics of double-reheat units[J]. Thermal Power Generation, 2017, (7). DOI：

摘要

电网对火电机组的一次调频性能的要求越来越严格，而我国目前已投运的二次再热机组均存在一次调频调节品质差等问题。本文在IEEE经典模型的基础上，建立了二次再热机组一次调频模型，采用遗传算法对模型参数进行辨识，并通过测试数据分析了二次再热机组的一次调频特性，一次调频模型参数辨识结果仿真与实测曲线的对比证明了所提出模型的有效性。分析结果表明，二次再热机组设备的固有特性，使二次再热机组的一次调频性能受到极大限制，难以仅依靠控制逻辑优化实现一次调频性能显著改善。

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