Control system design of single row configuration scheme of main auxiliary system in a 660MW unit

WANG Lei; WU Zhihui; SUN Yu; WANG Xinning; YU Jie

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Control system design of single row configuration scheme of main auxiliary system in a 660MW unit

更新时间：2025-09-28

- Control system design of single row configuration scheme of main auxiliary system in a 660MW unit
- Thermal Power Generation Vol. 44, Issue 6, Pages: 121-123(2015)
- 作者机构：
  
  1. 北京国电智深控制技术有限公司
  2. 中国核电工程有限公司
  3. 国电建投内蒙古能源有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM621
- Published：2015
- 稿件说明：
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WANG Lei, WU Zhihui, SUN Yu, et al. Control system design of single row configuration scheme of main auxiliary system in a 660MW unit[J]. Thermal power generation, 2015, 44(6): 121-123.
DOI：

WANG Lei, WU Zhihui, SUN Yu, et al. Control system design of single row configuration scheme of main auxiliary system in a 660MW unit[J]. Thermal power generation, 2015, 44(6): 121-123. DOI：

摘要

基于布连电厂超超临界2×660MW机组单列配置送风机、引风机、一次风机、空气预热器、汽动给水泵、增压风机的控制特点

对其控制系统的硬件系统、实时在线智能诊断功能、锅炉主保护功能、辅机联锁保护功能进行了设计

增加了辅机热控测点的冗余配置。应用结果表明

该控制系统的监视、保护、调节功能完善、可靠

未因单辅机故障导致机组停炉、停机

以及保护误动、拒动

从而保证了机组安全、稳定运行。

Abstract

On the basis of analyzing the single-row configuration control characteristics of the forced draft fan

induced draft fan

primary air fan

air preheater

turbine-driven feedwater pump and booster fan in ultra-supercritical 2×660 MW units in Bulian Power Plant

several functions of the control system were designed

including the hardware system

real-time online intelligent diagnosis

boiler main protection and interlock protection for auxiliary equipments.The redundant configuration was added in thermodynamic measuring points of the auxiliary equipments.Application of this control method in the above 660 MW units show that

the monitoring function

protection function and adjusting function of the control system were stable

unit trip and boiler shutdown caused by auxiliary faults never occurred

thus the safety and stability of unit operation can be ensured.

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