Analysis of AGC Adaptive Capacity of Million Thermal Power Units

ZHOU Song-guo; QU Zhang-long

doi:10.3969/J.ISSN.2095-3429.2017.03.001

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Analysis of AGC Adaptive Capacity of Million Thermal Power Units

更新时间：2026-01-28

- Analysis of AGC Adaptive Capacity of Million Thermal Power Units
- Vol. 38, Issue 3, Pages: 1-5(2017)
- 作者机构：
  
  华电电力科学研究院西安分院,陕西,西安,710032
- 作者简介：
- 基金信息：
- DOI：10.3969/J.ISSN.2095-3429.2017.03.001
  CLC： TM621
- Published Online：30 June 2017，
  
  Published：2017
- 稿件说明：
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ZHOU Song-guo, QU Zhang-long. Analysis of AGC Adaptive Capacity of Million Thermal Power Units[J]. 2017, 38(3): 1-5.
DOI：

ZHOU Song-guo, QU Zhang-long. Analysis of AGC Adaptive Capacity of Million Thermal Power Units[J]. 2017, 38(3): 1-5. DOI： 10.3969/J.ISSN.2095-3429.2017.03.001.

摘要

为了满足区域电网二次调频的需要，火电机组接收的AGC指令将跟随电网频率频繁变动，其变化幅度和方向均具有很强的随机性，多数火电机组在AGC模式下均存在电负荷响应时间超标和调节速率不足的问题。通过分析电网AGC的运行特点，指出了AGC的控制要点，并提出具有自适应能力的变负荷前馈控制策略。经过多次静态仿真试验和动态变负荷试验，使得该控制策略成功地运用到中电投安微平圩电厂2×1050MW超超临界火电机组，实践证明该控制策略具有较强的AGC自适应能力，提高了火电机组电负荷响应能力。

Abstract

In order to meet the needs of the power gridsecond FM regional

power unit to receive the AGC instruction will follow the grid frequency changes frequently

the magnitude and direction of change has very strong randomness

many thermal power units have electric load response time and adjust the rate exceed the standard problem of insufficient in AGC mode. Based on the analysis of the operation characteristics of the regional power grid AGC

the paper points out the main points of the AGC control scheme

and puts forward the variable load feedforward control strategy with adaptive ability. After several times of static test and dynamic simulation of variable load test

the control strategy is successfully applied to the CPI Anhui Pingwei Power Plant 2×1050MW ultra supercritical thermal power units

the practice proves that the AGC control strategy has strong adaptive capacity

improve the thermal power unit load response ability.

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