Optimization on primary frequency control for a supercritical 350MW unit

ZHAO Zhidan; ZHANG Jie; LIU Bin; LI Wenjun; ZHANG Heming; ZHAO Yongheng

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Optimization on primary frequency control for a supercritical 350MW unit

Thermal Power Generation Vol. 43, Issue 10, Pages: 112-115(2014)

更新时间：2025-09-28

- Optimization on primary frequency control for a supercritical 350MW unit
- 作者机构：
  
  1. 西安热工研究院有限公司
  2. 华能东方电厂
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM621
- Published：2014
- 稿件说明：
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ZHAO Zhidan, ZHANG Jie, LIU Bin, et al. Optimization on primary frequency control for a supercritical 350MW unit[J]. Thermal Power Generation, 2014, 43(10): 112-115.
DOI：

ZHAO Zhidan, ZHANG Jie, LIU Bin, et al. Optimization on primary frequency control for a supercritical 350MW unit[J]. Thermal Power Generation, 2014, 43(10): 112-115. DOI：

摘要

由于海南电网容量较小

使得机组的一次调频存在动作频繁

单方向动作的时间长、幅度大的特点

且在运行方式上存在联网和孤网2种运行模式

一次调频控制相对较复杂。对此

在分析海南电网运行特点的基础上

对华能东方电厂超临界4×350MW机组的一次调频控制策略进行优化

以解决频繁的小幅度一次调频动作的问题

提高一次调频的控制品质。同时

对机组协调控制进行相应的优化

在保证一次调频控制品质的基础上

提高了机组运行的安全性、稳定性。

Abstract

Small capacity of Hainan power grid causes several problems

like frequent primary frequency regulation of the units

long time and large amplitude of single direction movement during primary frequency regulation

and others.Furthermore

as the power grid has two operation modes(networking and isolated grid)

the primary frequency control is relatively complex.Therefore

on the basis of analyzing the operation characteristics of Hainan power grid

the primary frequency control strategy of a 350 MW unit was optimized

to solve the frequent small amplitude primary frequency regulation problem and improve control quality of the primary frequency control.In addition

corresponding optimization on coordinated control system was also conducted to enhance the safety and stability of the unit operation

on the premise of ensuring the primary frequency control.

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