OPTIMIZATION OF CONTROL FUNCTION IN FIRST FREQUENCY MODULATION OF SUPERCRITICAL 600 MW UNIT IN YANGXI POWER PLANT

ZHANG Shengxiang1; JIA Qiangbang2; LIU Jun1 1.Yangxi Seaside Electric Power Development Co Ltd

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OPTIMIZATION OF CONTROL FUNCTION IN FIRST FREQUENCY MODULATION OF SUPERCRITICAL 600 MW UNIT IN YANGXI POWER PLANT

Thermal Power Generation Vol. 41, Issue 1, Pages: 77-79(2012)

更新时间：2025-09-28

- OPTIMIZATION OF CONTROL FUNCTION IN FIRST FREQUENCY MODULATION OF SUPERCRITICAL 600 MW UNIT IN YANGXI POWER PLANT
- 作者机构：
  
  1. 阳西海滨电力发展有限公司
  2. 西安热工研究院有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM621.6
- Published：2012
- 稿件说明：
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ZHANG Shengxiang1, JIA Qiangbang2, LIU Jun1 1.Yangxi Seaside Electric Power Development Co Ltd. OPTIMIZATION OF CONTROL FUNCTION IN FIRST FREQUENCY MODULATION OF SUPERCRITICAL 600 MW UNIT IN YANGXI POWER PLANT[J]. Thermal Power Generation, 2012, 41(1): 77-79.
DOI：

ZHANG Shengxiang1, JIA Qiangbang2, LIU Jun1 1.Yangxi Seaside Electric Power Development Co Ltd. OPTIMIZATION OF CONTROL FUNCTION IN FIRST FREQUENCY MODULATION OF SUPERCRITICAL 600 MW UNIT IN YANGXI POWER PLANT[J]. Thermal Power Generation, 2012, 41(1): 77-79. DOI：

摘要

针对阳西电厂超临界600MW机组一次调频控制功能存在的发电机出口频率与电网辅助系统考核频率的差异、频率变送器精度偏差、机组负荷小幅波动时一次调频动作准确率低等问题进行了减小一次调频的动作死区等优化

优化后一次调频动作正确率达到99.92%以上

合格率考核电量为0。

Abstract

Directing against the problems existing in control function of first frequency modulation(FFM) for supercritical 600 MW unit in Yangxi Power Plant

such as the difference between exit frequency of the generator and the checked frequency in auxiliary systems of the power gird

the deviation of frequency transmitter's precision

and the low accuracy in actuation of FFM during the time of unit's load small fluctuation

etc..Optimization of control function has been carried out to reduce the deadband area in FFM.After optimization

the correct rate of actuation in FFM reaches about 99.92%

the qualified rate of checked electricity amount being zero.

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