Effect of pumped storage power plant and coal-fired power unit joint peaking on denitrification cost

ZHANG Hongwei; ZHAO Jun

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Effect of pumped storage power plant and coal-fired power unit joint peaking on denitrification cost

Thermal Power Generation Vol. 45, Issue 9, Pages: 67-73(2016)

更新时间：2025-09-28

- Effect of pumped storage power plant and coal-fired power unit joint peaking on denitrification cost
- 作者机构：
  
  华北电力大学能源与动力机械工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM73
- Published：2016
- 稿件说明：
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ZHANG Hongwei, ZHAO Jun. Effect of pumped storage power plant and coal-fired power unit joint peaking on denitrification cost[J]. Thermal Power Generation, 2016, 45(9): 67-73.
DOI：

ZHANG Hongwei, ZHAO Jun. Effect of pumped storage power plant and coal-fired power unit joint peaking on denitrification cost[J]. Thermal Power Generation, 2016, 45(9): 67-73. DOI：

摘要

燃煤机组低负荷调峰期间

脱硝系统无法正常投运

已成为区域电网绿色调度急需解决的问题。目前

大部分针对抽水蓄能与燃煤机组联合调峰优化的研究未考虑脱硝系统投入率对调峰能耗的影响。对此

本文在定性分析抽水蓄能与燃煤机组调峰方式对脱硝能效影响的基础上

通过建立考虑脱硝成本的抽水蓄能与燃煤机组联合调峰优化模型

并采用GAMS软件进行模型仿真。结果表明:抽水蓄能与燃煤机组联合调峰对脱硝成本影响明显;采用抽水蓄能和燃煤机组两班制联合调峰方式

不仅可以有效缓解该区域电网调峰压力

提高系统调峰经济性

而且可以降低区域电网内燃煤机组的脱硝总成本和发电总成本。该研究成果可为绿色调度提供参考。

Abstract

The denitrification system can not be properly put into service during low load cycling

which has been new problems required to be solved urgently during the regional power grid green scheduling.Currently

most of the pumped storage power plants and coal-fired power units joint peaking optimization research did not consider the effect of utilization rate of the denitration system on the peaking energy consumption.Therefore

on the basis of qualitative analysis about the denitration energy efficiency affected by the pumped storage power plants and thermal power units peaking

this paper established the pumped storage power plants and coal-fired power units joint peaking optimization model by considering the denitration costs

and solved the model by applying the GAMS software.The results show that

the pumped storage power plants and coal-fired power units joint peaking obviously affects the cost of denitration.Using the pumped storage power plants and coal-fired power units joint peaking can not only effectively alleviate the regional power grid peak pressure

improve the system peak load regulation economy

but also reduce the total denitration cost and generation cost of coal-fired units in the regional power grid.This research results can provide a reference for green scheduling.

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