A novel coordinated control strategy based on condensate throttling cascade control

YANG Wei; LONG Dongteng; NIU Yuguang

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A novel coordinated control strategy based on condensate throttling cascade control

Thermal Power Generation Issue 3, (2017)

更新时间：2025-09-28

- A novel coordinated control strategy based on condensate throttling cascade control
- 作者机构：
  
  华北电力大学新能源电力系统国家重点实验室,北京,102206
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK273+.3;TK323
- Published Online：27 March 2017，
  
  Published：2017
- 稿件说明：
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YANG Wei, LONG Dongteng, NIU Yuguang. A novel coordinated control strategy based on condensate throttling cascade control[J]. Thermal Power Generation, 2017, (3).
DOI：

YANG Wei, LONG Dongteng, NIU Yuguang. A novel coordinated control strategy based on condensate throttling cascade control[J]. Thermal Power Generation, 2017, (3). DOI：

摘要

新能源的规模化并网对火电机组变负荷能力提出了更高的要求，凝结水节流控制能够有效利用锅炉蓄热，达到快速变负荷的目的。本文设计的凝结水节流串级控制是结合凝结水节流控制的机炉协调控制系统，凝结水节流通道在调节初期利用机组蓄热快速响应负荷指令，并通过内回路保证除氧器水位不超限；机炉协调控制通道通过调节给煤量保证负荷调节后期的静态性能，包含凝结水流量控制和除氧器水位控制，这样保证了凝结水节流快速变负荷过程中除氧器水位的稳定。以某 1 000 MW机组为例，对上述控制策略进行仿真，并应用 IAE、ITAE和 AGC考核指标对该新型凝结水节流串级控制策略与传统机炉协调控制策略进行量化对比，结果表明：凝结水节流串级控制大大提高机组升负荷速率，且负荷调节过程中除氧器水位变化较小。

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Related Author

WANG Jia-xing1

BAI Yan1

DONG Ling1

ZHANG Jun-tao1

ZHENG Min21.College of Control Science and Engineering

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3:国网新疆电力有限公司

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2:华北电力大学控制与计算机工程学院

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